SECTION TABLE OF CONTENTS

DIVISION 02 - EXISTING CONDITIONS

SECTION 02 85 00.00 20

MOLD REMEDIATION

PART 1 GENERAL

1.1 REFERENCES

1.2 DEFINITIONS

1.2.1 AIHA

1.2.2 AFU

1.2.3 Categories of Water

1.2.4 Certified Industrial Hygienist (CIH)

1.2.5 Complete Interior Building Demolition (Complete Gut)

1.2.6 Containment

1.2.6.1 Source Containment

1.2.6.2 Limited Containment

1.2.6.3 Full Containment

1.2.6.4 Unoccupied Building Containment

1.2.6.5 Cleaning Containment

1.2.7 Decontamination Unit (Airlock)

1.2.8 Dehumidifier

1.2.9 Detergent

1.2.10 Disinfectants or Biocide Sanitizing Solutions

1.2.11 EPA

1.2.12 Fungicidal Agents, (EPA)

1.2.13 HEPA Filter

1.2.14 HVAC

1.2.15 Industrial Hygienist (IH)

1.2.16 Microbial Remediation Supervisor

1.2.17 Non-Porous Material

1.2.18 Occupied Spaces (Areas)

1.2.19 Personal Protective Equipment (PPE)

1.2.20 Poly

1.2.21 Porous Material

1.2.22 Pressure Differential Measuring Instrument

1.2.23 Semi-porous Material

1.2.24 Ventilation System Mold Remediator Qualifications (VSMR)

1.2.25 Work Area

1.3 REQUIREMENTS

1.3.1 Description of Work

1.3.2 Security Requirements

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1.4 SUBMITTALS

1.4.1 Preconstruction Submittals

1.4.1.1 Preliminary Visual Assessment Report

1.4.1.2 Microbial Remediation Plan

1.4.1.3 Respiratory Protection Program

1.4.1.4 Worker Records

1.4.1.5 Certified Industrial Hygienist (CIH)/Industrial Hygienist

(IH) Qualifications

1.4.1.6 Microbial Remediation Supervisor Qualifications

1.4.2 Product Data

1.4.3 Daily Reports

1.4.4 Submittals at Completion of Remediation Work

1.5 RECORD KEEPING

1.5.1 Daily Log

PART 2 PRODUCTS

2.1 DISINFECTANTS, BIOCIDES, SANITIZING SOLUTIONS AND FUNGICIDAL

AGENTS, (EPA)

PART 3 EXECUTION

3.1 EQUIPMENT

3.1.1 Respirators

3.1.2 Protective Clothing

3.1.3 Warning Signs and Labels

3.1.4 Dehumidifiers

3.1.5 Air Filtration Units (AFU)

3.1.6 Vacuum Cleaners Equipped with HEPA Filters

3.2 GENERAL REQUIREMENTS

3.2.1 Pre-Microbial Remediation Work Conference

3.2.2 Containment Entry / Exit Procedure

3.3 REMOVAL PROCEDURES

3.3.1 Protection of Existing Work Areas

3.3.2 Remediation of Fungally Contaminated Building Materials

3.3.3 Remediation Procedures

3.3.3.1 Remediation of Non-Porous Materials

3.3.3.2 Semi-Porous Materials (Unfinished Wood)

3.3.3.3 Semi-Porous Materials

3.3.3.4 Porous Materials

3.4 DETAILED SEQUENCE OF WORK FOR MOLD REMOVAL UNDER CONTAINMENT

3.4.1 Preparation for Remediation Work

3.4.2 Demolition

3.4.3 Post-Demolition Inspection

3.4.4 Cleaning after Demolition, and Cleaning of Settled Spores from

Porous / Non-Porous Materials

3.5 DUCT AND HVAC SYSTEM CLEANING

3.5.1 Contractor Qualifications

3.5.2 Inspection

3.6 FIRE PROTECTION

3.7 CONSTRUCTION BARRIERS

3.8 QUALITY ASSURANCE / QUALITY CONTROL REQUIREMENTS

3.8.1 Contractor Qualifications

3.8.2 Waste Management and Removal

3.8.3 Post-Remediation Inspection

3.8.3.1 Clearance

3.9 CLEAN-UP AND DISPOSAL

3.9.1 Disposal of Material

3.9.2 Material Packaging

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3.9.3 Building Exit (Waste Disposal)

3.9.4 Hazardous Material

3.10 Appendices

-- End of Section Table of Contents --

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MOLD REMEDIATION

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PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the

extent referenced. The publications are referred to within the text by the

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basic designation only.

AMERICAN INDUSTRIAL HYGIENE ASSOCIATION (AIHA)

Control of Indoor Mold

and Operation of Local Exhaust Ventilation

Systems

INSTITUTE OF INSPECTION, CLEANING, AND RESTORATION CERTIFICATION

(IICRC)

Professional Carpet Cleaning

Professional Water Damage Restoration

NATIONAL AIR DUCT CLEANERS ASSOCIATION (NADCA)

and Restoration of HVAC Systems

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

UNDERWRITERS LABORATORIES (UL)

Particulate, Air Filter Units

1.2 DEFINITIONS

1.2.1 AIHA

American Industrial Hygiene Association.

1.2.2 AFU

Air filtration unit with High Efficiency particulate air (HEPA) filtered

vacuum and / or exhaust ventilation equipment with a filter system capable

shall retain 99.97 percent of particles 0.3 microns 1.2 by 10-6 inch orlarger as indicated in

1.2.3 Categories of Water

not pose substantial harm to humans. Also referred to as "clean water."

Category 2 Water: Water containing a significant degree of chemical,

biological and/or physical contamination and having the potential to cause

discomfort or sickness if consumed by or exposed to humans. Also referred

to as "gray water."

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Category 3 Water: Grossly unsanitary water, containing pathogenic agents,

arising from sewage or other contaminated water sources and having the

likelihood of causing discomfort or sickness if consumed by or exposed to

humans. This category includes all forms of seawater, ground surface water

and rising water from rivers or streams. Also referred to as "black water."

1.2.4 Certified Industrial Hygienist (CIH)

A Certified Industrial Hygienist refers to an individual that has been

certified by the American Board of Industrial Hygiene (ABIH), with

professional qualifications and experience as required for an industrial

hygienist, as presented in the definition of "Industrial Hygienist."

1.2.5 Complete Interior Building Demolition (Complete Gut)

Interior finishes of the building have been removed to expose basic

structural elements.

1.2.6 Containment

Physical separation and engineering controls required to prevent

contamination of undamaged materials and occupied areas. The level of

containment varies depending on the extent of the contamination.

1.2.6.1 Source Containment

containment shall include the following:

a. Isolation of Work Areas. Install polyethylene barriers to isolate the

areas or material to be demolished / remediated from non-remediation

areas.

b. Floor protection. Maintain protection for finished floors through all

construction activities.

c. HEPA vacuum to control dust created during the demolition. Hold HEPA

vac intake at source of dust.

1.2.6.2 Limited Containment

minimum, limited containment shall include the following:

a. Containment. For residential buildings, a containment shall include

the entire room where work is being performed. The containment shall

not extend past the extents of the room unless there are instances of

contamination extending from one room to the next. For non-residential

buildings, the containment shall include the area to be remediated,

plus enough additional area to allow for all equipment and work

activities.

b. Isolation of Work Areas. Install polyethylene barriers to isolate the

areas to be demolished / remediated.

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c. Floor protection. Maintain protection for finished floors through all

construction activities.

d. Air Filtration / Pressurization Control. Install AFUs with HEPA

filters in the containment. Configure the AFUs with splitters /

diverters to allow some of the air to recirculate within the

containment. Discharge the remainder of the air directly to the

outside to maintain an overall negative pressure in the containment of

column maximum relative to the outside and other adjacent spaces not

undergoing remediation. AFUs shall filter a minimum of four air

changes per hour and a maximum of six air changes per hour.

e. Protection for all items remaining in the containment. Protective

devices shall prevent physical damage (e.g., scratches and dents) and

shall provide a positive seal to prevent dust from settling in or on

the items.

f. Containment Entrance. Install a triple-flap poly "door" to be used

during demolition to minimize egress and provide a good separation

between containment and occupied areas of the house / building.

1.2.6.3 Full Containment

minimum, full containment shall include the following:

a. Containment. For residential buildings, a containment shall include

the entire room where work is being performed. The containment shall

not extend past the extents of the room unless there are instances of

contamination extending from one room to the next. For non-residential

buildings, the containment shall include the area to be remediated,

plus enough additional area to allow for all equipment and work

activities.

b. Isolation of Work Areas. Construct polyethylene barriers to isolate

the areas to be demolished / remediated.

c. Floor protection. Maintain protection for finished floors through all

construction activities.

d. Air Filtration / Pressurization Control. Install AFUs with HEPA

filters in the containment. Configure the AFUs with splitters /

diverters to allow some of the air to recirculate within the

containment. Discharge the remainder of the air directly to the

outside to maintain an overall negative pressure in the containment of

column maximum relative to the outside and other adjacent spaces not

undergoing remediation. AFUs shall filter a minimum of four air

changes per hour and a maximum of six air changes per hour.

e. Protection for all items remaining in the containment. Protective

devices shall prevent physical damage (e.g., scratches and dents) and

shall provide a positive seal to prevent dust from settling in or on

the items.

f. Decontamination. Construct a decontamination airlock for entry into

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and exit from the work area. The airlock shall be used to HEPA vacuum

the sealed bags of contaminated debris. When possible, the

decontamination airlock shall be located so that the sealed bags can be

passed directly from the airlock to the outside, through a door or

window.

g. Containment Entrance. Install a triple-flap poly "door" at the

entrance to the airlock, and between the airlock and the work area

during demolition to minimize egress and provide a good separation

between containment and occupied areas of the house / building.

1.2.6.4 Unoccupied Building Containment

Use when a building is unoccupied and large amounts of mold growth are

present throughout the building:

a. Containment. The containment consists of the entire building. Install

AFUs with HEPA filters in the building. Configure the AFUs to

recirculate within the active remediation area. AFUs shall filter a

minimum of four air changes per hour and a maximum of six air changes

per hour based on the size of the area undergoing active remediation.

b. Isolation of Work Areas. Install polyethylene barriers to isolate the

areas where remediation is not required. AFU discharge may be used to

positively pressurize non-remediation areas from areas undergoing

remediation to prevent the movement of spores into "clean" areas.

c. Floor Protection. Maintain protection for finished floors through all

construction activities.

d. Protection for all items remaining in the containment. Protective

devices shall prevent physical damage (e.g., scratches and dents) and

shall provide a positive seal to prevent dust from settling in or on

the items.

e. Decontamination. Construct a decontamination airlock for entry into

and exit from the building.

f. Containment Entrance. A triple-flap poly "door" shall be used at the

entrance to the work area during demolition to minimize egress.

1.2.6.5 Cleaning Containment

A temporary containment structure set up to clean items removed from the

containment. At a minimum, the cleaning area shall contain:

a. Two chambers. Construct walls with polyethylene. Items will be

cleaned in the first chamber. The clean items shall be stored in the

second chamber.

b. Air Filtration / Pressurization Control Cleaning Chamber. Install AFUs

with HEPA filters in the cleaning chamber. Configure the AFUs with

splitters / diverters to allow some of the air to recirculate within

the containment. Discharge the remainder of the air directly to the

outside to maintain an overall negative pressure in the containment of

column (maximum) relative to the storage chamber.

c. Air Filtration, Storage Chamber. Install AFUs with HEPA filters in the

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storage chamber. The AFUs shall be configured to allow air to

recirculate within the chamber. AFUs shall filter a minimum of four

air changes per hour and a maximum of six air changes per hour.

d. Containment Entrance. Install a triple-flap poly "door" at the

entrance to the cleaning chamber, between the cleaning and storage

chambers, and at the exit of the storage chamber to minimize egress and

provide a good separation between the chambers.

1.2.7 Decontamination Unit (Airlock)

An enclosed area adjacent to, and connected to, a regulated work area. It

consists of various rooms that are used for the decontamination of workers,

equipment, and materials.

1.2.8 Dehumidifier

Mechanism or machine to remove moisture from the air.

1.2.9 Detergent

A cleaning agent. The term refers to a prepared compound that may include

surfactants, builders, dry solvents, softeners, etc, but does not include

true soap.

1.2.10 Disinfectants or Biocide Sanitizing Solutions

One of three groups of antimicrobials registered by the EPA for public

health uses. The EPA considers an antimicrobial to be a disinfectant when

it destroys or irreversibly inactivates infectious or other undesirable

organisms, but not necessarily their spores.

1.2.11 EPA

U.S. Environmental Protection Agency.

1.2.12 Fungicidal Agents, (EPA)

A coating material that contains an EPA registered fungicide that inhibits

the spread and growth of mold with the ability to withstand moist and humid

conditions.

1.2.13 HEPA Filter

A High Efficiency Particulate Air (HEPA) filter capable of trapping and

1.2.14 HVAC

Heating, Ventilating, and Air Conditioning (System).

1.2.15 Industrial Hygienist (IH)

Industrial Hygienist (IH) refers to an individual designated and provided

by the Contractor that is a professional qualified by education, training,

and experience to anticipate, recognize, evaluate, and develop controls for

occupational and indoor air quality hazards. Education must include a

minimum 12 semester hours or quarter hour equivalent of chemistry and 18

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additional semester hours or quarter hour equivalent of courses in any

combination of chemistry, physics, engineering, health physics,

environmental health, biostatistics, biology, physiology, toxicology,

epidemiology, or industrial hygiene. The Industrial Hygienist shall be

under the supervision of a Certified Industrial Hygienist.

1.2.16 Microbial Remediation Supervisor

Individual responsible for the execution of the microbial remediation work

as defined by the scope of work. This individual shall have documented

training in microbial remediation and have at least three years experience

in microbial remediation work. Remediation contractor's on-site supervisor

shall have one of the following certifications: Council-Certified Mold

Remediator (CMR), or Council-Certified Mold Remediation Supervisor (CMRS)

as certified by the American Council for Accredited Certification, or

Applied Microbial Remediation Specialist (AMRS), Institute of Inspection,

Cleaning, and Restoration Certification (IICRC) or Contracting Officer

approved equivalent.

1.2.17 Non-Porous Material

A material that does not absorb nor is easily penetrated by liquids,

especially water. Generally, non-porous materials have a permeable factor

of less than 1. Some examples are metal, glass, plastic, ceramic tile, etc.

1.2.18 Occupied Spaces (Areas)

The phrase "occupied space" within this specification refers to spaces that

are occupied by unprotected non-remediation personnel while work is in

progress. It also refers to areas adjacent to work areas that are not

currently undergoing remediation.

1.2.19 Personal Protective Equipment (PPE)

Any material or device worn to protect a worker from exposure to, or

contact with, any harmful material or force. PPE must be cleaned or

disposed of prior to removal from the remediation work area.

1.2.20 Poly

1.2.21 Porous Material

Permeable materials having the physical properties that allow liquids or

gasses to pass through. These materials include but are not limited to the

following: gypsum wall board, insulation, wallpaper, ceiling material,

carpet, padding, paper goods (i.e., cardboard boxes, loose paper, books,

etc.), stuffed furniture, wicker, fabrics, etc.

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1.2.22 Pressure Differential Measuring Instrument

Device used to measure the relative pressure difference between the work

area and areas outside the work area. For mold remediation, the device

1.2.23 Semi-porous Material

A material that can absorb liquids if exposed over long periods of time.

These materials include but are not limited to wood, concrete, linoleum,

vinyl wall covering, wooden or hardboard furniture, plaster, etc.

An individual certified by the North American Duct Cleaning Association

(NADCA) to clean HVAC systems.

1.2.25 Work Area

The area where remediation operations are actively performed and controlled

to prevent the spread of dust / spores and entry by unauthorized

personnel. A work area is the space, group of spaces, or the building, as

defined by the Microbial Assessment Survey.

1.3 REQUIREMENTS

1.3.1 Description of Work

The Contracting Officer will furnish the Contractor, in the contract

documents, an initial Microbial Assessment Survey with containment

categories and remediation methods specified for each work area and

material within the work area.

The Contracting Officer's initial Microbial Assessment Survey specified

below shall be furnished and certified by a qualified assessor authorized

by the Contracting Officer to do such work. The initial survey is included

in the solicitation documents at the end of this specification section.

Provide mold remediation work including the handling and control of mold

contaminated materials and the resultant procedures and equipment required

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to protect workers, the environment and occupants of the building or area,

or both, from contact with mold products and spores. The work also includes

the disposal of any mold contaminated materials generated by the work. The

mold removal work includes the demolition and removal of [_____] of [_____]

located [_____]. Provide containment and engineering control techniques as

outlined in this specification. All mold contaminated material removal work

shall be supervised by a microbial remediation supervisor as specified

herein.

No work in this specification section shall be provided by any person,

contractor, or contracting entity involved in the preparation of the

contract documents of which this specification section is a part.

The following microbial remediation specifications apply to the cleaning /

removal and disposal of fungally-contaminated porous, semi-porous and

non-porous surfaces within various types of structures. The level of

containment and requirements for cleaning and remediation of materials will

depend on the condition of the space and materials being remediated.

Immediately after award of the contract, prepare a preliminary visual

assessment report using the standard microbial assessment form (Appendix A)

to document the differences in the pre-remediation condition of the work

areas as compared to the government provided Microbial Assessment Survey.

Only address the differences between the pre-remediation condition of the

work areas and the government provided Microbial Assessment Survey. If

required to indicate the differences, include the HVAC systems inspection

required elsewhere in this specification section. Submit this written

pre-remediation condition report to the Contracting Officer for approval

and instructions to proceed.

After approval of the preliminary visual assessment report and having

instructions from the Contracting Officer to proceed, prepare a microbial

remediation plan for approval by the Contractor's Certified Industrial

Hygienist. Microbial remediation plan shall include an assessment of the

risk for people to occupy areas adjoining the remediation area while

remediation work is occurring. Upon the Contractor's CIH approval of the

plan, submit the plan to the Contracting Officer for approval.

The Contractor's CIH or IH shall monitor the site on a daily basis while

remediation work is in progress, identifying work and/or work practices

that are not in compliance with the approved microbial remediation plan,

and performing all inspections required by this specification. The

Contracting Officer may require the removal of any individual for

non-compliance with quality requirements specified in the contract.

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This specification section includes the protocol regarding proper disposal

of the removed building material components from within the work site.

Use proper cleaning procedures, engineering controls, and apply best

management practices to remove microbial growth and spore fallout from all

surfaces and building materials to minimize the further release of

microbial spores. Address semi-porous and nonporous surfaces within the

facility in each cleaning phase of the project. Damp wipe and HEPA vacuum

all surfaces, at a minimum. Remove and dispose of porous building

materials that are supporting microbial growth.

1.3.2 Security Requirements

Prior to granting access to any work area (i.e., building, area, room, or

space) for mold remediation work, a determination must be made by the

government agency whether classified or controlled unclassified information

(paper material and / or electronic media) or equipment is contained in the

work area(s).

If Contractor personnel require access to classified information or spaces

to perform mold remediation work, the Government must issue the Contractor

facility a DD Form 254 (Contract Security Classification Specification)

prior to the initiation of the work under the contract. If the Contractor

facility does not possess a valid DD Form 254 issued by the Defense

Security Service (DSS), the Government will be required to submit a

sponsorship request to DSS requesting that the Contractor be processed for

and issued a current DD Form 254 at the appropriate level.

Access to classified information (paper material, electronic media, and

equipment) must only be granted to authorized and appropriately cleared

government and U.S. contractor personnel that possess a personnel security

clearance commensurate with the level of information contained in the work

area that requires a mold remediation effort.

Access to Controlled Unclassified information (i.e., For Official Use Only,

Sensitive but Unclassified, Privacy Act Information, Export Controlled

unclassified, etc.) can be granted to DOD cleared contractors, consultants

and grantees that are conducting official business for the DOD or DON.

Non-cleared U.S. contractor personnel who only require access to controlled

unclassified information can be granted access if they get a favorable

trustworthiness determination on an individual Facility Access

Determination National Agency Check (FADNAC) submitted on their behalf by

the government agency issuing the contract.

Classified information and controlled unclassified information must be

safeguarded / secured, reproduced, and destroyed in accordance with SECNAV

M-5510.36.

1.4 SUBMITTALS

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Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are [for Contractor Quality Control

approval.][for information only. When used, a designation following the

"G" designation identifies the office that will review the submittal for

the Government.] The following shall be submitted in accordance with

Section 01 33 00 SUBMITTAL PROCEDURES:

1.4.1 Preconstruction Submittals

Within ten (10) days from the award of the contract and prior to the start

of the work, submit to the Contracting Officer six copies of the following

items for review and permanent file.

1.4.1.1 Preliminary Visual Assessment Report

A written report to document the pre-remediation condition of the work

areas compared to the government provided Microbial Assessment Survey and

the results of the HVAC systems inspection.

1.4.1.2 Microbial Remediation Plan

Submit a job-specific, [detailed][abbreviated] plan Approved by the

Contractor's CIH to the Contracting Officer for final approval prior to

start of work. The plan shall address the following items at a minimum:

a. Description of materials to be remediated, providing location and

quantities (map if available), and methods to be used for remediation.

b. Types of biocides and fungicidal agents, (EPA).

c. Containment procedures to include description and locations of

engineering controls and decontamination unit to include entry and exit

procedures (provide sketch of floor plan showing location of

containment barriers and decontamination units). Plan shall include

locations of AFUs and AFU discharges to the outside.

d. Description of personal protective equipment to be used during the

remediation.

e. Construction barricades and barriers in occupied areas.

f. HVAC Shut down and start-up procedures.

g. HVAC Evaluation and remediation procedures.

h. Moisture and relative humidity control procedures and equipment.

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i. Packaging and disposal procedures.

j. Safety Precautions to include lockout / tag-out, fall protection,

confined space entry procedures, and fire protection.

k. Description of the method to be employed to control cross contamination

of areas not in the work area. This shall include a risk assessment

related to the suitability of people to occupy areas adjoin the

remediation area while remediation activities are ongoing.

l. IH Quality Control procedures to include visual inspection.

m. Procedures to control, abate, and dispose of Asbestos Containing

Materials (ACM) and Lead Based Paint (LBP) coincident with microbial

remediation. Before work in areas containing ACM and PACM is begun;

Contractor shall identify the presence, location, and quantity of ACM,

1.4.1.3 Respiratory Protection Program

Provide written copy of Contractor's Respiratory Protection program.

1.4.1.4 Worker Records

Provide the following documents for all workers, including supervisory

personnel. If new workers are added to the crew, provide the same

documentation for them.

Employee Instruction and Release Form: Provide documentation showing that

each employee has been instructed on the following items:

a. Use and fit of respirators (for employees entering and working in the

containment).

b. Protective clothing.

c. Protective measures.

d. Safety and Emergency Egress Procedures.

e. Site specific fall protection plan and training.

f. Microbial remediation hazards and practices including engineering

controls and isolation. Training should include "hands on" training

for microbial remediation supervisors.

g. Workers' release forms stating the potential hazards involved with the

scope of the work.

Worker Training Certification: Submit copies of training certificates

for each employee indicating that the employee has received training at

the appropriate level for the work prescribed in the description of

work.

Submit the name, address, and telephone number of the Certified Industrial

Hygienist (CIH) and Industrial Hygienist (IH). Provide copies of board

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certificates, resume to document field experience, and evidence that the

CIH and IH have successfully completed training in microbial investigation

and remediation.

1.4.1.6 Microbial Remediation Supervisor Qualifications

Onsite supervisor shall have one of the following certifications:

Certified Mold Remediator (CMR), Certified Mold Remediation Supervisor

(CMRS), or Applied Microbial Remediation Specialist (AMRS). Submit copies

of supervisory training certificates.

1.4.2 Product Data

Within 10 days of contract award, submit product data for items identified

for use in Microbial Remediation Plan.

1.4.3 Daily Reports

Prepare a written report for each day that microbial remediation work is

being accomplished. Submit this report to the Contracting Officer by 1000

hours of the following day, attached to the Contractor Quality Control

Report. Referred to collectively as the IH Daily Report, the report at a

minimum shall include measurements of differential pressure and temperature

and relative humidity in work areas, and detail any non-compliance issues

observed.

1.4.4 Submittals at Completion of Remediation Work

Within 14 days of completion, provide the following information:

a. Supervisor Logs.

b. IH Daily Reports.

c. Photographic Logs.

d. Contractor's Industrial Hygienist Report certifying the microbial

remediation is complete.

1.5 RECORD KEEPING

A Daily Project Log shall form a permanent record of the project. Secure

and maintain these logs and any other required documentation as part of the

permanent project file.

1.5.1 Daily Log

The Microbial Remediation Supervisor shall maintain a Daily Project Log.

The Daily Project Log shall be used each day of the project to document the

following information.

a. Date.

b. Name of Microbial Remediation Supervisor.

c. Name of Industrial Hygienist monitoring work area.

d. Number of workers on site.

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e. Equipment utilized.

f. Brief description of daily work activities.

g. Listing of any non-compliance noted, emergencies, stop work orders

(with detailed explanation), [exhaust system pressure differential

recordings] and descriptions of any other significant events.

PART 2 PRODUCTS

2.1 DISINFECTANTS, BIOCIDES, SANITIZING SOLUTIONS AND FUNGICIDAL AGENTS,

(EPA)

Shall be approved by EPA for the use detailed in the Microbial Remediation

Plan and used in accordance with the manufacturer's specifications.

PART 3 EXECUTION

3.1 EQUIPMENT

Provide protective clothing and respirators as required by the Microbial

Remediation Plan for use by any authorized visitors. Provide

manufacturer's certificate of compliance for all equipment used to contain

the microbial contamination. Contractor shall not be required to certify

that visitors entering work areas be capable of wearing respirators.

3.1.1 Respirators

Select respirators from those approved by the National Institute for

Occupational Safety and Health (NIOSH), Department of Health and Human

Services. Provide personnel engaged in set-up, pre-cleaning, cleanup,

handling, and removal of contaminated materials with the appropriate

Evaluation, and Control of Indoor Mold", which lists the minimum levels of

respiratory protection based on the activity and size of the remediated

area.

3.1.2 Protective Clothing

Provide all workers with protective clothing as appropriate for the work

being accomplished, as required by the Microbial Remediation Plan.

Do not permit any person to enter the work area without the appropriate

protective clothing and equipment.

3.1.3 Warning Signs and Labels

Provide bilingual warning signs printed in English and Spanish at all

approaches to the work areas. Locate signs at such a distance that

personnel may read the sign and take the necessary protective steps

required before entering the area. Warning signs may be in the form of

continuous plastic tape. The warning signs shall have black characters on

a yellow background.

WARNING

DO NOT ENTER

MICROBIAL REMEDIATION WORK IN PROGRESS

SECTION 02 85 00.00 20 Page 20

Alternate wording for the warning signs will be approved by the Contracting

Officer.

3.1.4 Dehumidifiers

Install and use dehumidifiers as needed during the remediation to maintain

relative humidity below 60 percent in the work area. Drain the condensate

water to a permanent drain, or empty as needed to prevent water overflowing

from the dehumidifiers.

Install and use AFUs with HEPA filters, and manufacturer specified

pre-filters, as part of the exhaust ventilation system to develop and

maintain the specified desired air pressure differential inside the

enclosed work area relative to the outside areas. The Contractor shall be

responsible for acquiring and paying for any licenses needed for use of any

equipment, including but not limited to, air pressure differential systems

and air filtration systems.

Replace HEPA filters and pre-filters for AFUs as required to maintain

pressurization performance requirements during demolition and cleaning. Do

not reuse filters. Bag used filters at a minimum in clear 0.15 millimeter

waste.

Discharge air from any AFUs located in the work area containment to the

outside environment when creating a negative pressure containment to create

a negative pressure relative to occupied areas of 5 pascals 0.02 inch H2O to

creating the proper negative pressure to the work area. The AFUs shall

provide four to six air changes per hour in the work area. Under no

circumstances may air from AFUs discharge to an occupied area. Coordinate

location of window sashes or doors required for discharge openings with the

Contracting Officer. Seal around openings used for discharge of exhaust

air airtight. Exhaust discharge openings may be constructed of plywood.

3.1.6 Vacuum Cleaners Equipped with HEPA Filters

Provide vacuum cleaners equipped with HEPA filters designed for continuous

operation to perform the work in a timely and efficient manner.

SECTION 02 85 00.00 20 Page 21

Provide nozzle attachments as required to adequately remove all dust. As a

minimum, nozzle attachments shall include crevice and extended bristle

brush nozzles. Any vacuum that is not equipped with a HEPA filter shall

not be used at anytime.

Provide sufficient vacuum cleaners equipped with HEPA filters designed for

continuous operation in the work area during microbial remediation inside

the containment area.

Provide additional vacuum cleaners equipped with HEPA filters in the

enclosed work area during remediation or cleaning work as required by the

size (area) of the containment and to maintain timely progress of the work.

3.2 GENERAL REQUIREMENTS

3.2.1 Pre-Microbial Remediation Work Conference

Meet with the Contracting Officer prior to beginning work to discuss in

detail the Microbial Remediation Plan, including work procedures and safety

precautions. Once approved by the Contracting Officer, the plan shall be

enforced as if a part of this specification. Any variances to the

specification as a result of the plan shall be specifically identified to

allow for free discussion and approved by the Contracting Officer in

writing prior to starting work. Before work in areas containing Asbestos

Containing Material (ACM) and Presumed Asbestos Containing Materials (PACM)

and Lead is begun, Contractor shall identify the presence, location, and

quantity of ACM, PACM and Lead. Ensure proper notification of regulatory

authorities. Contractor shall consult with Contracting Officer to obtain

facility ACM / LBP surveys.

3.2.2 Containment Entry / Exit Procedure

Ensure that each worker and authorized visitor follows entry and exit

procedures detailed in the Microbial Remediation Plan.

3.3 REMOVAL PROCEDURES

3.3.1 Protection of Existing Work Areas

Perform work in a manner to minimize the damage or contamination to areas

outside or directly adjacent to the work area. Contractor is required to

inspect areas inside and outside proposed work areas to identify existing

damage and notify Contracting Officer prior to start of work.

Where materials outside work area are damaged or contaminated as a result

of the Contractors work efforts as verified by the Contracting Officer

using visual inspection or sample analysis, it shall be restored to its

original condition or decontaminated by the Contractor at no expense to the

Government as deemed appropriate by the Contracting officer. Should

adjacent or outside areas become contaminated as a result of the

Contractors work efforts the work shall stop immediately. The newly

contaminated areas shall be cleaned and verified by visual inspection by

the IH. The work may proceed at the discretion of the Contracting Officer

once the area has been verified as restored.

3.3.2 Remediation of Fungally Contaminated Building Materials

The removal of contaminated materials shall follow in general the listed

sequence of work. The Contractor may make changes to improve work flow

SECTION 02 85 00.00 20 Page 22

with the approval of the Contracting Officer.

a. Provide level of containment and PPE required by the Microbial

Remediation Plan.

b. Disable all HVAC units and exhaust fans in the area to be remediated.

c. Protect materials to remain in work area. Where possible, all

materials to be salvaged should be cleaned in place to prevent possible

cross-contamination created by moving materials through non-remediation

areas.

d. Remove undamaged items and materials to be cleaned and salvaged from

the work area. Materials shall be stored in an area with relative

humidity maintained below 60 percent and where temperatures will not

damage the material. Notify Contracting Officer of existing damage to

items prior to removal.

e. Set up containments, including protection of materials remaining within

the containment and AFUs. Notify Contracting Officer that the area is

prepared for remediation activities.

f. Pre-demolition inspection by the Contracting Officer.

g. Demolition and removal / cleaning of contaminated materials.

h. Post-remediation inspection by the Contracting Officer.

i. Perform final cleaning in the containment.

j. Clean carpet in the containment.

k. Clearance inspection by the Contracting Officer.

l. Duct and HVAC cleaning, if necessary.

m. Deconstruction of containment, removal of AFUs.

n. Clean previously removed items prior to returning to occupied area.

3.3.3 Remediation Procedures

Procedures for remediation depend on the amount of mold growth and the type

of material with fungal growth.

3.3.3.1 Remediation of Non-Porous Materials

The method of remediating non-porous items shall be:

a. HEPA vacuum all surfaces.

b. Damp wipe all surfaces using clean water or a detergent solution.

3.3.3.2 Semi-Porous Materials (Unfinished Wood)

The method of remediating unfinished wood-based items, including wood and

wood framing in wall cavities, shall be:

a. Cleaning

SECTION 02 85 00.00 20 Page 23

(1) HEPA vacuum all surfaces.

(2) Scrub surfaces with a brush and detergent to remove mold.

(3) HEPA vacuum all surfaces to remove dust.

(4) Repair finishes as required to match original.

b. Removal

Where unfinished wood product has been structurally damaged, remove

and replace with an equivalent product. This shall include wall

studs and sheathing, such as OSB used in flooring, wall, or roof

construction.

3.3.3.3 Semi-Porous Materials

The method of surface cleaning semi-porous materials such as concrete,

vinyl wall covering, linoleum, leather furniture, and finished wood

products shall be:

a. HEPA vacuum all surfaces.

b. Damp wipe surfaces with using clean water or a detergent solution.

Avoid over-wetting the material.

3.3.3.4 Porous Materials

a. Carpet

(1) Removal: Replace carpet that has remained wet for 48 hours or

longer.

(2) Cleaning: Use a dry absorbent compound cleaning method as

to dissolve, suspend and absorb carpet soils. It does not add

moisture back into the carpet.

b. Gypsum Wallboard (GWB)

(1) Removal: Replace Gypsum Wallboard that has remained wet for 48

hours or longer, or has visible mold growth. Where removal of GWB

exposes insulation, remove and replace the insulation with an

insulation having equal characteristics for insulating value and

permeability.

(2) Surface Cleaning: Where GWB has a small amount of surface mold

growth and the GWB is structurally sound, a surface cleaning

method may be used with the permission of the Contracting Officer.

The method of surface cleaning GWB shall be HEPA vacuum all

surfaces. Surface cleaning shall not be used where mold growth

penetrates wallboard substrate.

c. Ceiling Tile

(1) Removal: Replace ceiling tile that has remained wet for 48 hours

or longer, or has visible mold growth.

SECTION 02 85 00.00 20 Page 24

(2) Surface Cleaning: Where settled dust on ceiling tiles contains

mold spores and the ceiling tile is structurally sound, is not

sagging, and has not been wet, a surface cleaning method may be

used with the permission of the Contracting Officer. The method

of surface cleaning ceiling tile shall be HEPA vacuum all

surfaces. Surface cleaning shall not be used where mold growth is

occurring on ceiling tiles.

d. Paper Materials

Contractor personnel cannot be granted access to classified information and

/ or Controlled Unclassified Information until they have met the security

requirements stated in the paragraph SECURITY REQUIREMENTS.

(1) Removal: Discard paper materials that have remained wet for 48

hours or longer, or that have visible mold growth. Classified and

Controlled Unclassified Information must be destroyed by

appropriately cleared contractor personnel using an approved DOD

destruction method that is authorized for the specific level of

information.

(2) Containment: Where paper materials, such as personnel records

must be retained, the following containment methods may be used

with the permission of the Contracting Officer. The method of

containment for paper products shall be:

(a) Thoroughly dry the paper material. Classified and Controlled

Unclassified Information must be safeguarded at all times in a GSA

approved security container, restricted area, vault, or under the

direct physical control of appropriately cleared contractor

personnel.

(b) Where routine access to the material is required, a copy

shall be made. Contractor personnel shall not reproduce copies of

classified information or controlled unclassified information

without the prior written approval of the Contracting Officer and

the NAVFAC LANT security department. If approval is obtained,

only appropriately cleared Contractor personnel shall be

authorized to reproduce the information and they must use only DOD

authorized reproduction equipment.

(c) When not in use, the classified and controlled unclassified

information must be secured in an approved GSA security container,

restricted area, or vault. Limit access to the container to only

appropriately cleared Contractor personnel. Implement an access

procedure involving opening the container in a secure area with

provision for capturing mold spores and respiratory protection for

workers opening the container for these materials. Store the

container in an area where the relative humidity is maintained

below 60 percent to prevent further mold growth.

e. Textiles

(1) Discard textiles with visible mold growth.

(2) Clean textile based items, including clothing, linens, and toys

that do not have visible mold growth, but have been wet, in

standard commercial or residential washing machines with standard

washing machine detergent.

SECTION 02 85 00.00 20 Page 25

(3) Dry all items completely before returning to the building / house.

(a) When possible, use dryers to dry items.

(b) If dryers will cause irreversible harm to the item, hang the

item on a drying rack in a temperature and humidity controlled

space. Discard items not dry within 48 hours.

f. Upholstered Furniture

(1) Removal: Discard upholstered furniture that has remained wet for

48 hours or longer, or that have visible mold growth.

(2) Cleaning: Clean upholstered furniture that has been exposed to

mold spores but does not have visible mold growth by HEPA

vacuuming upholstery and wood or metal structure, followed by a

damp wipe of semi-porous or non-porous portions of the furniture.

3.4 DETAILED SEQUENCE OF WORK FOR MOLD REMOVAL UNDER CONTAINMENT

3.4.1 Preparation for Remediation Work

a. Provide level of containment and PPE required for the remediation based

on the Microbial Remediation Plan.

b. Disable all HVAC units and exhaust fans in the area to be remediated.

c. Remove undamaged materials from the work area if they are to be

salvaged but cannot be cleaned in place. Store materials in an area

with relative humidity maintained below 60 percent and where

temperatures will not damage the material. Notify Contracting Officer

of existing damage to items prior to removal. Clean materials using

procedures detailed in Remediation Procedures.

d. Remove supply diffusers, return grilles and exhaust grilles. Clean

diffusers and grilles using procedures detailed in Remediation

Procedures.

e. Construct containment barriers. Existing walls can be used as a

portion of the containment barriers if existing openings in walls (such

as doors, wall openings, vents, etc.) are sealed using polyethylene.

f. Install the AFUs and dehumidifiers.

g. Seal supply, return, and exhaust openings with polyethylene sheeting

and protect intakes to air handling units. Air handling units shall

remain off.

h. Install all equipment needed for removal work in the containment area

to minimize egress during demolition.

i. The Contracting Officer will inspect the containment to verify that the

containment is properly constructed and the containment area has an

column relative to the outside and adjacent work areas not undergoing

active remediation, prior to beginning demolition work.

SECTION 02 85 00.00 20 Page 26

3.4.2 Demolition

a. Remove mold contaminated materials to be discarded, such as paper, and

Seal poly bags using duct tape inside the containment. HEPA vacuum

bags before removing them from the containment or airlock. When

possible, pass the bags directly from the containment or airlock to the

outside. Transport bags to a dumpster. Do not leave the bags at the

building / house.

b. Remove contaminated gypsum wallboard (GWB) at the preliminary limits of

demolition specified in the Microbial Remediation Plan. Inspect back

side of removed GWB. If mold is observed on the back side of the GWB,

report this condition to the Contracting Officer. After obtaining

Contracting Officer approval, continue removing GWB until no mold is

observed. If hidden mold is discovered that will extend past the

extents of the containment, stop work immediately and reconstruct the

containment to extend past the suspected contamination. Re-evaluate

level of containment and PPE. Continue to operate AFUs during

reconfiguring of containment.

c. Remove drywall by cutting in pieces as large as possible to minimize

aerosolization of fungal spores. Drywall screws can either be backed

out during removal or later during cleanup.

d. Use dust collection attachments on all power tools, such as sanders,

saws, etc., to capture dust created when using the tools. Outlet of

dust collector should discharge into inlet of AFU.

e. Remove fiberglass insulation behind removed gypsum board.

f. If wood studs are contaminated, scrub them with a brush and detergent

to remove mold. Replace wood studs with damage severe enough to reduce

the structural capacity of the member. Prior to removal of any

structural member consult with the Contracting Officer.

g. Clean all metal framing with a dilute detergent solution. Clean metal

framing with light rust using steel wool and coat with a rust

inhibiting paint. Replace metal framing with rust damage severe enough

to reduce the structural capacity of the member. Prior to removal of

any structural material, consult with the Contracting Officer.

h. Remove contaminated carpet scheduled for removal.

i. Place removed gypsum board, insulation, carpet and remaining debris in

duct tape inside the containment. HEPA vacuum bags before removing

them from the containment or airlock. When possible pass the bags

directly from the containment or airlock to the outside. Transport

bags to a dumpster. Do not leave the bags at the building / house.

Remediation workers shall HEPA vacuum their PPE, then remove them

within the airlock chamber. Discard disposable coverall suits into a

3.4.3 Post-Demolition Inspection

a. The Contracting Officer will inspect the containment area to verify

that all contaminated materials have been removed.

SECTION 02 85 00.00 20 Page 27

b. Allow a minimum of 12 hours after completion of removal work, with AFUs

operating, for airborne dust in the containment to settle and / or be

removed by the AFUs.

3.4.4 Cleaning after Demolition, and Cleaning of Settled Spores from Porous

/ Non-Porous Materials

a. Continue to operate AFUs during cleaning.

b. Clean exposed surfaces.

(1) HEPA vacuum all surfaces.

(2) Damp wipe all non-porous exposed surfaces including polyethylene

sheets used to protect materials, external surfaces of ductwork,

studs, and floors with clean rag and clean potable water or

detergent solution.

(3) Remove poly sheeting inside the containment.

(4) HEPA vacuum all surfaces protected by poly sheeting.

(5) Damp wipe non-porous surfaces protected by poly sheeting with

clean water or a detergent solution.

(6) Clean carpet using procedures in Remediation of Fungally

Contaminated Building Materials.

c. Final clearance inspection will be conducted by Contracting Officer.

Clearance inspections will be performed using the procedures detailed

in Post-Remediation Inspection. Maintain containments in place until

spaces are inspected and accepted by the Government as being fully

remediated. The Government will determine whether the Contractor shall

conduct additional cleaning and repeat the clearance process.

3.5 DUCT AND HVAC SYSTEM CLEANING

3.5.1 Contractor Qualifications

a. The HVAC cleaning contractor shall be a certified member of NADCA.

b. The HVAC cleaning contractor shall have at least one individual with

onsite during duct and HVAC system cleaning.

3.5.2 Inspection

IH shall visually inspect the HVAC system serving all work areas (or as

required in the initial Microbial Assessment Survey performed by the

Government), and determine if additional remediation is needed to clean the

HVAC system, thus preventing re-contamination. Notify the Contracting

Officer of the inspection results. The Contractor must receive written

approval from the Contracting Officer before proceeding with HVAC microbial

remediation.

Cleaning, and Restoration of HVAC Systems".

b. Using a "gassing" or "fogging" method of cleaning with gaseous chlorine

SECTION 02 85 00.00 20 Page 28

dioxide or ozone will not be allowed.

c. Disable all HVAC equipment prior to cleaning any component of the

system.

d. The method of cleaning the air handling units, terminal units, blowers

and exhaust fans shall be:

(1) Construct a limited containment around equipment to be cleaned.

Provide appropriate PPE for workers.

for disposal.

(3) Disassemble units as necessary to clean components. Contractor is

responsible for reassembling equipment after cleaning.

(4) Clean disassembled components within the containment or in a

separate two chamber cleaning containment. Seal disassembled

building / house.

(5) HEPA vacuum all surfaces.

(6) Damp wipe all non-porous surfaces and components with clean water

or a detergent solution.

e. The method of cleaning HVAC coils shall be:

(1) Clean coils using a method which will render the coil visibly

clean. Coil cleaners shall be non-acidic / alkaline, detergent

based. Clean condensate drain pans. The drain for the condensate

drain pan shall be operational during the cleaning.

(2) Rinse coils and drain pans with clean water to remove any latent

residues.

(3) Cleaning methods shall not cause damage to the coil surface or

fins.

(4) Cleaning must restore the coil pressure drop to within 10 percent

of the pressure drop measured when the coil was first installed.

If the original pressure drop is not known, the coil shall be

considered clean only if the coil is free of foreign matter and

chemical residue.

f. The method of cleaning the duct system shall be:

(1) During cleaning, connect a vacuum collection system to the

downstream end of the section being cleaned. The vacuum

collection device must be of sufficient power to render all areas

of duct being cleaned under negative pressure relative to rooms

and areas of duct not being cleaned. Negative pressure must be

verified at the furthest point from the collection system with a

micromanometer and verification measurements included in the Daily

Report.

(2) Equip the vacuum collection systems with HEPA filters. Exhaust

the vacuum collection systems directly to the outside.

SECTION 02 85 00.00 20 Page 29

(3) Use mechanical agitation devices to dislodge debris adhered to the

ductwork, such that debris may be safely conveyed to vacuum

collection devices. Cleaning methods shall not damage the

integrity of the ductwork, nor damage porous surface materials

such as liners inside the ductwork.

(4) HEPA vacuum duct surfaces.

(5) When possible, damp wipe metal duct surfaces with clean water or

detergent solution. Do not wet fibrous glass thermal or

acoustical insulation.

(6) Identify areas where there is evidence of damage to or uncleanable

mold in duct insulation. The Contracting Officer will make the

decision to discard the insulation, if necessary.

g. Final clearance of HVAC and duct system will be based on a visual

assessment (no visible dust, no visible mold) by Contracting Officer.

3.6 FIRE PROTECTION

The Contractor shall provide portable fire extinguishers within the

containment area and outside the decontamination unit. Fire extinguishers

shall be rated for the class of fire hazards in the work area and shall be

sized for coverage of the areas within the containment. At a minimum, one

Personnel shall be trained for emergency egress and the use of fire

extinguishers. Notify fire officials of work activities as required.

3.7 CONSTRUCTION BARRIERS

a. Provide interior shoring, bracing, or support to prevent movement,

settlement, or collapse of structure or element to be demolished and

adjacent facilities or work to remain. Shoring, bracing or support

will be necessary when structural wood studs or metal framing need to

be removed and replaced when they cannot be cleaned.

b. Do not disturb microbial-contaminated building materials while

isolating work areas. This precaution prevents the release of

microbial spores.

c. Workers shall wear respirators and other PPE as outlined in the

microbial remediation plan when installing critical barriers where

microbial contaminated surfaces (walls or surfaces with visible settled

dusts) are likely to be disturbed. Operate an AFU if disturbance is

likely during setup.

d. Monitor the air pressure differential across work area containments.

The monitoring system shall be in place before the start of remedial

activities. Verification by the Industrial Hygienist is required prior

to the start of the microbial remediation.

3.8 QUALITY ASSURANCE / QUALITY CONTROL REQUIREMENTS

3.8.1 Contractor Qualifications

Work shall be performed by a qualified remediation contractor. Contractor

SECTION 02 85 00.00 20 Page 30

shall carry insurance that specifically covers mold remediation.

Remediation contractor's on-site supervisor shall have one of the following

certifications: Certified Mold Remediator (CMR), Certified Mold

Remediation Supervisor (CMRS), or Applied Microbial Remediation Specialist

(AMRS). Qualified supervisor shall be onsite whenever active remediation

is being performed. Set-up activities may be performed without supervisor

present; qualified supervisor shall review set-up prior to start of work.

Mold remediation workers shall be given training in PPE and mold

remediation activities as required for their particular job. Microbial

remediation plan shall provide details of worker training.

3.8.2 Waste Management and Removal

Keep the site and work area free from accumulations of dust, waste

materials, or rubbish caused by Contractor operations and free from any

flammable materials or other sources of fire hazard. Remove all waste

materials and rubbish from and about the work site in strict accordance

with the specifications and applicable codes and regulations.

3.8.3 Post-Remediation Inspection

Clean up all debris and dust in interior spaces outside the work area

resulting from the Contractor's remediation work.

After all visible accumulations of material and debris are removed from the

containment, provide the Contracting Officer a 24-hour notice for a final

clearance visual inspection. The Contracting Officer and Contractor's

Industrial Hygienist shall conduct a thorough visual inspection of the work

area. If during this inspection any visible debris and/or microbial

contamination are observed, the Contractor shall re-clean the work area

without additional cost to the Government.

3.8.3.1 Clearance

a. Clearance Criteria

Clearance will be based on visual assessment (all visible mold

removed, all visible dust removed, based on a "white glove" test)

by Contracting Officer. "White glove" test shall consist of

wiping the surface with a clean cloth of color suitable to reveal

expected type of dust. For most surfaces, a white cloth is

suitable. For GWB dust, a dark cloth may be more appropriate.

b. Failed remediation areas will be recleaned and the AFUs kept in

operation another 12 hours, followed by another visual assessment.

Subsequent failures will follow the same routine until a pass condition

is secured.

3.9 CLEAN-UP AND DISPOSAL

3.9.1 Disposal of Material

Dispose of contaminated bagged waste materials removed during this

remediation as general construction debris. Follow all applicable local,

State, and Federal requirements for the disposal of this material.

SECTION 02 85 00.00 20 Page 31

3.9.2 Material Packaging

Place waste, as waste is removed, into a disposal container promptly.

form an airtight seal and label appropriately. Bag waste from vacuums

3.9.3 Building Exit (Waste Disposal)

HEPA vacuum and damp wipe bags of contaminated waste material prior to

removal from the building.

3.9.4 Hazardous Material

Should the Contractor encounter any hazardous materials, notify the

Contracting Officer immediately for direction.

3.10 Appendices

Appendix A - Microbial Assessment Visual Field Report Form

Appendix B - Sample Mold Remediation Clearance Criteria

For Buildings Housing Sensitive Populations

Appendix A

Microbial Assessment Visual Field Report Form

TO DOWNLOAD THIS FORM, SEE UFGS GRAPHICS

Appendix B

Sample Mold Remediation Clearance Criteria

For Buildings Housing Sensitive Populations

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-- End of Section --

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