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1234 Main St.
Boulder, Colorado 80305
12/07/2019 9:00AM

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agent

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This report is the exclusive property of this inspection company and the client(s) listed in the report title. Use of this report by any unauthorized persons is prohibited.

1 - Asbestos Present [Yes or No]

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1.1.1 - Asbestos Present

Asbestos Present

Yes
Mold Environmental Contractor
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1.1.2 - Asbestos Present

Asbestos Was Found Present In The Following Areas

Popcorn Ceiling, Wall Texture, Kitchen Floor Mastic
Mold Environmental Contractor

2 - Asbestos Firm

Firm & Inspector Information: Firm Name
HERO Inspections & Environmental

HERO Inspections & Environmental

Firm & Inspector Information: CDHPE Asbestos Consulting Firm
CDHPE Asbestos Consulting Firm Registration #23365
Firm & Inspector Information: Address
3580 Smuggler Circle, Boulder, CO 80305
Firm & Inspector Information: Firm Phone Number
303-500-3378
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2.1.1 - Firm & Inspector Information

EPA Asbestos Building Inspector

Greg Fowler - License #23813

3 - Property Info

Building Use
Residential
Building Type
Single Family
Year Built
1967

4 - Inspection Information

Type Of Inspection:
Initial
Date Samples Were Taken
2019-07-11
Reason For Asbestos Inspection
Renovation
Location of Property Being Renovated
Kitchen, Ceiling
Asbestos Assessment Included The Following Areas
Entire Interior Area
Are any part of the heating system, including boiler(s), hot water pipes, water heater, etc., being renovated or replaced?
No

Has any part of the heating system, including boiler(s), hot water pipes, water heater, etc., been renovated or replaced?

Scope: Description of Evaluation and Scope For This Evaluation
Inspector visually inspected all interior rooms and garage for potential ACM and tested per client direction
Methodology: Inspection Methodology

The sampling and destructive investigation process was conducted in accordance with AHERA under Title 40 of the Federal Register, CDPHE Regulation 8, and other applicable industry standards (including EPA, NESHAP, OSHA asbestos regulations, and asbestos regulations.)

Asbestos inspection activities were conducted by AHERA and State of Colorado accredited personnel.

The scope of the asbestos inspection was to identify ACBM and included the following steps:
- Visual inspection of all accessible areas of the structure to identify suspect materials.
- Visual inspection of all areas of suspect ACBM.
- Determination of friability by touching all suspect ACBM.
- Development of a sampling plan for each material based on the homogeneous type, friability, and accessibility and material locations. Samples were submitted for laboratory analysis by Polarized Light Microscopy (PLM).
- Inspection in two phases: comprehensive non-destructive inspection for accessible areas, followed by destructive investigation (creating large openings in walls, ceilings, chases, etc) to identify ACBM in previously inaccessible areas.

A homogeneous area (material) is defined as an area containing a material that appears similar throughout with regard to color, texture, and date of application. Individual systems that were inspected, but not suspected to contain asbestos, are not included in this report. Such systems include carpet, fiberglass, plastic, and wood products.

Each type of suspect building material (homogeneous area) was assigned an alpha material code, followed by a number to identify the different varieties of that building material. For example, ceiling tiles are designated by the material code of CT. Each type of ceiling tile was denoted by subsequent type number (CT-01, CT-02, etc). Material size, thickness, substrate, material friability, location, and quantity were recorded. Material information was recorded on a room-by-room (functional space) inventory form (and/or Walsh Asbestos Inspection Form).

The homogeneous area was classified into one of three available types of homogeneous material descriptions.
- Surfacing Material refers to a wide range of trowel or spray-applied materials typically used for acoustical or fireproofing purposes. Examples include spray-applied fireproofing and acoustical texture ceilings.
- Thermal System Insulation (TSI) refers to insulation that is applied to heating or mechanical system components. Examples include pipe, tank and boiler insulation.
- Miscellaneous Materials refers to all other materials that do not fall into one of the above categories. Examples include floor tile, adhesives, and ceiling tiles.

Once the homogeneous area was determined it was then classified as friable or nonfriable. The EPA distinguishes between friable and nonfriable forms of ACBM. Friable materials can be crumbled or reduced to powder by hand pressure, whereas nonfriable materials cannot. Friable materials are more likely to be released into the air, especially during renovation and demolition of a structure. Therefore, the distinction between friable and nonfriable homogeneous material is important.

The following Bulk Sampling protocol for friable and Category I and II nonfriable materials was used to determine the number of samples to be collected for friable materials and nonfriable materials deemed potential Regulated Asbestos-Containing Material (RACM, nonfriable materials with potential to be rendered friable during normal demolition).

Bulk Sampling Strategy      Homogeneous Area        Min No. of Samples

< 1000 ft2                             3
Friable Surfacing                 1000 - 5000 ft2                          5
>5000 ft2                             7

Nonfriable Surfacing                                                             3

Friable & Nonfriable
Thermal System Insulation                                                   3*

Friable & Nonfriable
Miscellaneous Materials                                                        2*

* One sample was collected for limited quantity replacement or patch (salient) materials.

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4.1.1 - Limitations

The Following Areas Were Inaccessible At The Time Of The Inspection

Inside Wall Areas

If access is granted to these areas and further suspect ACM is found, call HERO to obtain additional samples.

Contractor Qualified Professional
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4.1.2 - Limitations

Limitations - Renovations

No survey can completely eliminate the uncertainty regarding the presence of asbestos containing materials, lead-based paint and other hazardous materials. The level of diligence and investigative procedures utilized are intended to reduce, but not eliminate potential uncertainty regarding the presence of these materials. The procedures used for this survey attempted to establish a balance between the competing goals of inspection cost, time and aesthetic damage.

The determinations of this report should not be construed as a guarantee that all such materials present in the subject property have been identified in the report. The inspection was performed in a manner consistent with the level of care and expertise exercised by members of the asbestos inspection and assessment profession. Those entities and persons involved with the inspection and generation of this report do not imply or guarantee that all potential asbestos-containing materials on or in the structure have been identified or sampled.

Historically, asbestos has been added as a component to over 3,000 materials and products produced in the United States. The inspection was intended to identify those accessible materials that were reasonably suspect and that were most likely to contain asbestos in quantities subject to regulation, based on existing industry and regulatory standards.

Destructive investigation activities were conducted to identify materials in previously inaccessible areas (behind walls, above ceilings, etc), using limited demolition methods. These activities created small openings for investigation, but are limited in that full observation is not possible due to the presence of walls, flooring, ceilings, etc. Informational (hazard communication) training for demolition supervisory staff and workers, and additional inspection by an accredited asbestos inspector during demolition may assist in identifying any other hidden or concealed materials that may exist in the building.

Drawings and diagrams contained in this report are for informational purposes only, and proportion and scales are approximate.

Contractor Qualified Professional
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4.4.1 - Materials Known Or Assumed To Be ACM

Materials Known Or Assumed To Be ACM

N/A
Mold Environmental Contractor

5 - Homogeneous Material #1

Homogeneous Bulk Sample 1: Location
1st Floor
Homogeneous Bulk Sample 1: Material
Popcorn
Homogeneous Bulk Sample 1: Type of Material Tested
Surfacing
Homogeneous Bulk Sample 1: Square Feet
< 1000 ft2
Homogeneous Bulk Sample 1: ACM Classification
5. ACM with potential for damage.
Homogeneous Bulk Sample 1: Type of Asbestos Present
Chrysotile
Homogeneous Bulk Sample 1: # of Samples Obtained
5
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5.1.1 - Homogeneous Bulk Sample 1

Pictures of Sample Locations

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5.1.2 - Homogeneous Bulk Sample 1

Asbestos Present

2% to 4% Chrysotile

Mold Environmental Contractor
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5.1.3 - Homogeneous Bulk Sample 1

> 1% Asbestos - Must follow OSHA and CDPHE Reg 8 Requirements (included with this report)

Mold Environmental Contractor

6 - Homogeneous Material #2

Homogeneous Bulk Sampling: Location
1st Floor, Kitchen
Homogeneous Bulk Sampling: Material
Drywall
Homogeneous Bulk Sampling: Type of Material Tested
Surfacing
Homogeneous Bulk Sampling: Square Feet
< 1000 ft2
Homogeneous Bulk Sampling: ACM Classification
5. ACM with potential for damage.
Homogeneous Bulk Sampling: Type of Asbestos Present
Chrysotile
Homogeneous Bulk Sampling: # of Samples Obtained
3
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6.1.1 - Homogeneous Bulk Sampling

Pictures of Sample Locations

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6.1.2 - Homogeneous Bulk Sampling

Asbestos Present

<1% Chrysotile

Mold Environmental Contractor
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6.1.3 - Homogeneous Bulk Sampling

< 1% Asbestos - Trace Amounts - Must follow OSHA Removal Requirements for Building Materials with Trace Amounts of Asbestos <1% (included with this report)

Contractor Qualified Professional

7 - Homogeneous Material #3

Homogeneous Bulk Sampling: Location
1st Floor, Kitchen
Homogeneous Bulk Sampling: Material
Mastic
Homogeneous Bulk Sampling: Type of Material Tested
Surfacing
Homogeneous Bulk Sampling: Square Feet
< 1000 ft2
Homogeneous Bulk Sampling: ACM Classification
5. ACM with potential for damage.
Homogeneous Bulk Sampling: Type of Asbestos Present
Chrysotile
Homogeneous Bulk Sampling: # of Samples Obtained
3
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7.1.1 - Homogeneous Bulk Sampling

Pictures of Sample Locations

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7.1.2 - Homogeneous Bulk Sampling

Asbestos Present

2% Chrysotile

Mold Environmental Contractor
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7.1.3 - Homogeneous Bulk Sampling

> 1% Asbestos - Must follow OSHA and CDPHE Reg 8 Requirements (included with this report)

Mold Environmental Contractor

8 - Containment Requirements

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8.2.1 - Asbestos > 1% OSHA & CDPHE Containment Requirements

The Colorado Department of Public Health and Environments (CDPHE) Regulation #8 Containment Requirements

The following is a synopsis of the requirements that must be followed in the State of Colorado if greater than the regulated amounts of asbestos-containing building materials are removed or disturbed within a building (i.e., greater than the Trigger Levels).


The amount of asbestos-containing material which requires removal in compliance with the CDPHEs Regulation #8 is as follows;


  • If 50 linear feet on pipes, 32 square feet on other surfaces, or the volume equivalent of a 55-gallon drum of asbestos containing material (>1%) will be removed from a single-family residential dwelling (i.e., homes, apartments, condominiums, duplexes, etc.,); or


  • If 260 linear feet on pipes, 160 square feet on other surfaces, or the volume equivalent of a 55-gallon drum of asbestos containing material (>1%) will be removed from all areas other than single-family residential dwellings (i.e., commercial properties).



PLEASE NOTE: The following is meant to be a synopsis and overview of the general permitting and containment requirements under Regulation #8 and is by no means intended to be comprehensive. This document does not discuss the required removal methods, work practices, or engineering controls. To gain an understanding of the comprehensive removal requirements specific to your property, please consult a certified General Abatement Contractor.



IF THE MATERIAL IS FRIABLE (i.e., the material, when dry, MAY BE crumbled, pulverized, or reduced to powder by hand pressure) the following subsections must be complied with:


  • II. CERTIFICATION REQUIREMENTS
  •  II.A. GENERAL REQUIREMENTS 
  • II.A.1. Persons required to be certified as a General Abatement Contractor, Building Inspector, Management Planner, Project Designer, Abatement Worker, Abatement Supervisor or Air Monitoring Specialist shall obtain the appropriate certification from the Division in accordance with this section II.
  • III.C. PROJECT DESIGN 
  • III.C.1. Prior to the start of any asbestos abatement in an area of public access of a non-school building, in which the amount of asbestos-containing material to be abated exceeds 1,000 linear feet on pipes, or 3,000 square feet on other surfaces, a written project design shall be developed by a Project Designer certified under these regulations.
  • III.G. PERMITS 
  • III.G.1. Permit Applications 
  • III.G.1.a. No person shall commence an abatement project in which the amount of friable asbestos-containing material exceeds the trigger levels in an area of public access without first obtaining a permit from the Division. Only the GAC in whose name the permit is issued may conduct the abatement project.
  • III.I. CRITICAL BARRIER INSTALLATION 
  • All openings between the work area and clean areas including, but not limited to, windows, doorways, elevator openings, corridor entrances, drains, ducts, grills, grates, diffusers and skylights shall be sealed with a minimum of one layer of 6-mil polyethylene sheeting.
  • III.J. AIR CLEANING AND NEGATIVE PRESSURE REQUIREMENTS 
  • III.J.1. Negative Air Machines and HEPA Filters 
  • III.J.1.a. Negative pressure air filtration units shall be operated continuously from the time of barrier construction through the time that acceptable final clearance air monitoring results are obtained in accordance with subsection III.P (Clearing Abatement Projects).
  • III.J.1.b. The GAC who is required to use air cleaning shall properly install, use, operate, and maintain all air-cleaning equipment authorized by this subparagraph III.J (Air Cleaning and Negative Pressure Requirements).
  • III.J.1.c. The GAC who is required to use air cleaning shall use a HEPA filter to clean the air.
  • III.J.1.d. These units shall exhaust filtered air to the outside of the building when the length of exhaust duct required to do so does not overburden the negative air units. If air must be exhausted to the interior of the building, it must be done in accordance with subparagraph III.U.1.b. (During Abatement).
  • III.K. DECONTAMINATION UNIT 
  • III.K.1. Construction 
  • A decontamination unit shall be constructed to provide employees with a facility to be used to decontaminate asbestos-exposed Workers and equipment before such Workers and equipment leave the work area. The decontamination unit shall consist of the following three stages, which shall be separated by staggered flaps or an equivalent system of barriers that will self-close should negative air pressure fail:
  • III.L. PRE-CLEANING OF SURFACES 
  • Pre-cleaning of surfaces contaminated with visible dust or debris shall be conducted prior to the commencement of any abatement project.
  • III.M. COVERING FIXED OBJECTS 
  • At a minimum, all fixed objects in the work area shall be covered with one (1) layer of six-(6) mil polyethylene sheeting, secured in place.
  • III.N. CONTAINMENT COMPONENTS 
  • Construction of the containment components may commence only after adequate negative pressure is established. Polyethylene sheeting shall be used in the construction of containment barriers in order to isolate the work area during abatement projects. Spray poly may be substituted for polyethylene sheeting.

  • III.N.1. Wall, Floor and Ceiling Polyethylene 
  • Polyethylene sheeting shall be used in thicknesses and number of layers as specified in subparagraphs III.N.1.a., b., c., and d. below, and shall be used to seal all windows, doors, ventilation systems, and wall penetrations, and to cover ceilings, walls, and floors in the work area.
  • III.N.1.a. Laying Polyethylene on Floors 
  • At a minimum, floors shall be covered with sheeting consisting of two (2) layers of six-(6) mil polyethylene sheeting, unless spray poly is used. Floor sheeting shall extend up sidewalls at least twelve (12) inches and be sized to minimize seams. No seams shall be located along wall/floor joints.
  • III.N.1.b. Hanging Polyethylene on Walls 
  • At a minimum, walls shall be covered with sheeting that shall consist of two (2) layers of four (4) mil or thicker polyethylene, unless spray poly is used. It shall be installed to minimize seams and shall extend beyond wall/floor joints at least twelve (12) inches. No seams shall be located along wall/wall joints.
  • III.N.1.c. Hanging Polyethylene Sheeting on Ceilings 
  • If a work area has a ceiling that will not be abated as part of the abatement work, at a minimum, the ceiling shall be covered with sheeting that shall consist of one (1) layer of four (4) mil or thicker polyethylene, unless spray poly is used. It shall be installed to minimize seams and shall extend beyond wall/ceiling joints at least twelve (12) inches. No seams shall be located along wall/ceiling joints.
  • III.N.3. Waste Load-out Area 
  • All containments shall be constructed to include a waste load-out area. This area shall be separate from the decontamination unit and shall be used as a temporary storage area for bagged waste and as a port for transferring waste to the transport vehicle. All waste load-out areas must have a minimum of two separate chambers separated by air locks.
  • III.P. CLEARING ABATEMENT PROJECTS
  • The GAC, certified Air Monitoring Specialist, and the building owner shall ensure that all abatement projects are completed as described below.
  • All air monitoring and final visual inspections-required under this regulation shall be performed by certified Air Monitoring Specialists independent of the GAC to avoid possible conflict of interest.
  • III.P.1. Final Visual Inspection 
  • At the conclusion of any abatement action and with only critical barriers still in place, a certified Air Monitoring Specialist, who is independent of the GAC, shall visually inspect each work area where such action was conducted, and behind the critical barriers, to determine whether all dust and debris has been removed. If any such dust or debris is found, the area shall be re-cleaned until no dust or debris is found. If a critical barrier is removed for cleaning purposes, the area behind the critical barrier shall be cleaned and the critical barrier immediately replaced.
  • III.P.3. Final Clearance Air Monitoring and Sample Analyses 
  • III.P.3.a. Sample Collection 
  • III.P.3.a.(i). Once the area has passed a final visual inspection and no dust or debris has been found, the certified Air Monitoring Specialist shall collect air samples using aggressive sampling as described in 40 C.F.R. Part 763, Appendix A to Subpart E (EPA 1995), to monitor air for clearance after each abatement project; except that fans and leaf blowers shall not be directed toward any known friable ACM remaining in the work area.
  • III.R. WASTE HANDLING 
  • III.R.1. Disposal Containers Disposal containers shall be leak-tight and waterproof when sealed. Disposable bags shall be at least six-(6) mil polyethylene. III.R.2. Handling Waste Material Each person handling asbestos-containing waste material(ACWM) shall:
  • III.R.2.a. Seal all asbestos-containing waste material in leak-tight containers while wet and label the containers in accordance with subsection
  • III.R.2.b (Labeling), below. Appropriate containers and procedures shall be used to prevent all breakage, rupture or leakage during loading, shipping, transportation and storage of asbestos-containing waste material.
  • III.R.2.d. Discharge no visible emissions during the collection, processing (including incineration), packaging, transportation, or deposition of any ACWM generated by the source.
  • III.R.2.e. Dispose of ACWM in accordance with Colorado Department of Public and Environment Health, Hazardous Materials and Waste Management Division regulations.
  • III.R.2.f. All asbestos-containing wastewater shall be filtered to five (5) micrometers prior to discharge and shall be discharged to a sanitary sewer.
  • III.R.3. Follow the waste shipment procedures in accordance with the provisions of 40 C.F.R. Part 61 Section 150 (EPA 1995).



IF THE MATERIAL IS NON-FRIABLE (i.e., the material, when dry, CANNOT be crumbled, pulverized, or reduced to powder by hand pressure) the following subsections must be complied with:


  • III.E. NOTIFICATIONS 
  • III.E.1. Notices 
  • Any person intending to either abate asbestos-containing materials in any amount greater than the trigger levels, or demolish a facility shall, on a form supplied by the Division, provide a written notice of the intent to conduct asbestos abatement or demolition.
  • III.S.2. Asbestos Cement Products
  • Transite roofing shingles, transite siding and other asbestos cement products that remain nonfriable during removal are subject to the requirements of subsection III.E (Notifications). The transite roofing shingles, transite siding, or other asbestos cement products must be removed in accordance with paragraph III.S.4 (Other Nonfriable Asbestos-Containing Materials), below. If the transite roofing shingles, siding, other asbestos cement products become friable during removal, then sections I. (Definitions), II. (Certification Requirements), and III. (Abatement, Renovation and Demolition Projects) apply.
  • III.S.3. Asphaltic Materials
  • Tar impregnated roofing felts, asphalt-roofing tiles, roofing asphalts, roofing mastics, and asphaltic pipeline coatings that are nonfriable and will remain nonfriable during abatement are exempt from this regulation.
  • III.S.4. Other Nonfriable Asbestos-Containing Materials
  • III.S.4.a. Adequately wet the surface areas of the nonfriable ACM to prevent dust emissions throughout the removal process.
  • III.S.4.b. Remove the materials using hand removal methods or power tools that do not subject the material to cutting, grinding, sanding, bead blasting, sandblasting, or otherwise damage the material in such a way as to render it friable.
  • III.S.4.C. Remove the material carefully with minimal breakage and disturbance.

III.S.4.d. If the nonfriable material is to be disposed of, then it must be transported to the landfill that will accept nonfriable ACM. The landfill must be contacted prior to disposal to ensure that the nonfriable ACM is transported and packaged in accordance with the landfill's specific policy or regulation. If the materials have been rendered friable, they must be disposed of as friable asbestos-containing waste materials pursuant to subsection III.R. (Waste Handling.)

Mold Environmental Contractor
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8.2.2 - Asbestos > 1% OSHA & CDPHE Containment Requirements

The Occupational Safety and Health Administration Asbestos in Construction Standards (29 CFR 1926.1101) Containment Requirements

The following is a synopsis of the requirements that must be followed, in all 50 states, if greater than the regulated amounts of asbestos-containing building materials are removed or disturbed within any type of building.


The amount of asbestos-containing material which requires removal in compliance with OSHAs Asbestos in Construction Standard (29 CFR 1926.1101) is as follows;


  • If 10 square feet of Surfacing Material or Thermal Systems Insulation is removed or disturbed; or
  • If 25 linear feet of Surfacing Material or Thermal Systems Insulation is removed or disturbed.


The definition of Surfacing Material and Thermal Systems Insulation in the OSHA Asbestos in Construction Standard (29 CFR 1926.1101) is as follows;


  • Surfacing material means material that is sprayed, troweled-on or otherwise applied to surfaces (such as acoustical plaster on ceilings and fireproofing materials on structural members, or other materials on surfaces for acoustical, fireproofing, and other purposes).
  • Thermal system insulation (TSI) means ACM applied to pipes, fittings, boilers, breeching, tanks, ducts or other structural components to prevent heat loss or gain.


PLEASE NOTE: The following is meant to be a synopsis and overview of the general containment requirements under the OSHA Asbestos in Construction Standard (29 CFR 1926.1101) and is by no means intended to be comprehensive. This document does not discuss the required removal methods, work practices, or engineering controls. To gain an understanding of the comprehensive removal requirements specific to your property, please consult a General Abatement Contractor.



CLASS I REMOVAL REQUIREMENTS

Class I asbestos work means activities involving the removal of TSI and surfacing Asbestos-Containing Material and Presumed Asbestos Containing Material. 

 

1926.1101(e) Regulated areas.

1926.1101(e)(1) All Class I, II and III asbestos work shall be conducted within regulated areas.

1926.1101(e)(2) Demarcation. The regulated area shall be demarcated in any manner that minimizes the number of persons within the area and protects persons outside the area from exposure to airborne asbestos. Where critical barriers or negative pressure enclosures are used, they may demarcate the regulated area. Signs shall be provided and displayed.

1926.1101(e)(3) Access. Access to regulated areas shall be limited to authorized persons and to persons authorized by the Act or regulations issued pursuant thereto.

1926.1101(e)(4) Respirators. All persons entering a regulated area where employees are required pursuant to paragraph (h)(1) of this section to wear respirators shall be supplied with a respirator selected in accordance with paragraph (h)(2) of this section.

1926.1101(e)(5) Prohibited activities. The employer shall ensure that employees do not eat, drink, smoke, chew tobacco or gum, or apply cosmetics in the regulated area.

1926.1101(e)(6) Competent Persons. The employer shall ensure that all asbestos work performed within regulated areas is supervised by a competent person, as defined in paragraph (b) of this section. The duties of the competent person are set out in paragraph (o) of this section.

1926.1101(g)(4) Class I Requirements. In addition to the provisions of paragraphs (g)(1) and (2) of this section, the following engineering controls and work practices and procedures shall be used.

1926.1101(g)(4)(i) All Class I work, including the installation and operation of the control system shall be supervised by a competent person as defined in paragraph (b) of this section;

1926.1101(g)(4)(ii) For all Class I jobs involving the removal of more than 25 linear or 10 square feet of thermal system insulation or surfacing material; while the Class I work is being performed, the employer shall use the following methods to ensure that airborne asbestos does not migrate from the regulated area:

1926.1101(g)(4)(ii)(A) Critical barriers shall be placed over all the openings to the regulated area, except where activities are performed outdoors;

1926.1101(g)(4)(iii) For all Class I jobs, HVAC systems shall be isolated in the regulated area by sealing with a double layer of 6 mil plastic or the equivalent;

1926.1101(g)(4)(iv) For all Class I jobs, impermeable dropcloths shall be placed on surfaces beneath all removal activity;

1926.1101(g)(4)(v) For all Class I jobs, all objects within the regulated area shall be covered with impermeable dropcloths or plastic sheeting which is secured by duct tape or an equivalent.

1926.1101(g)(4)(vi) For all Class I jobs where the employer cannot produce a negative exposure assessment, or where exposure monitoring shows that a PEL is exceeded, the employer shall ventilate the regulated area to move contaminated air away from the breathing zone of employees toward a HEPA filtration or collection device.

1926.1101(g)(5) Specific control methods for Class I work. In addition, Class I asbestos work shall be performed using one or more of the following control methods pursuant to the limitations stated below:

1926.1101(g)(5)(i) Negative Pressure Enclosure (NPE) systems: NPE systems may be used where the configuration of the work area does not make the erection of the enclosure infeasible, with the following specifications and work practices.

1926.1101(g)(5)(i)(A)(1) The negative pressure enclosure (NPE) may be of any configuration,

1926.1101(g)(5)(i)(A)(2) At least 4 air changes per hour shall be maintained in the NPE,

1926.1101(g)(5)(i)(A)(3) A minimum of -0.02 column inches of water pressure differential, relative to outside pressure, shall be maintained within the NPE as evidenced by manometric measurements,

1926.1101(g)(5)(i)(A)(4) The NPE shall be kept under negative pressure throughout the period of its use, and

1926.1101(g)(5)(i)(A)(5) Air movement shall be directed away from employees performing asbestos work within the enclosure, and toward a HEPA filtration or a collection device.

1926.1101(j) Hygiene facilities and practices for employees.

1926.1101(j)(1) Requirements for employees performing Class I asbestos jobs involving over 25 linear or 10 square feet of TSI or surfacing ACM and PACM.

1926.1101(j)(1)(i) Decontamination areas. the employer shall establish a decontamination area that is adjacent and connected to the regulated area for the decontamination of such employees. The decontamination area shall consist of an equipment room, shower area, and clean room in series. The employer shall ensure that employees enter and exit the regulated area through the decontamination area.



CLASS II REMOVAL REQUIREMENTS

Class II asbestos work means activities involving the removal of ACM which is not thermal system insulation or surfacing material. This includes, but is not limited to, the removal of asbestos-containing wallboard, floor tile and sheeting, roofing and siding shingles, and construction mastics. 

 

1926.1101(e) Regulated areas.

1926.1101(e)(1) All Class I, II and III asbestos work shall be conducted within regulated areas.

1926.1101(e)(2) Demarcation. The regulated area shall be demarcated in any manner that minimizes the number of persons within the area and protects persons outside the area from exposure to airborne asbestos. Where critical barriers or negative pressure enclosures are used, they may demarcate the regulated area. Signs shall be provided and displayed.

1926.1101(e)(3) Access. Access to regulated areas shall be limited to authorized persons and to persons authorized by the Act or regulations issued pursuant thereto.

1926.1101(e)(4) Respirators. All persons entering a regulated area where employees are required pursuant to paragraph (h)(1) of this section to wear respirators shall be supplied with a respirator selected in accordance with paragraph (h)(2) of this section.

1926.1101(e)(5) Prohibited activities. The employer shall ensure that employees do not eat, drink, smoke, chew tobacco or gum, or apply cosmetics in the regulated area.

1926.1101(e)(6) Competent Persons. The employer shall ensure that all asbestos work performed within regulated areas is supervised by a competent person, as defined in paragraph (b) of this section. The duties of the competent person are set out in paragraph (o) of this section.

1926.1101(g)(7) Work Practices and Engineering Controls for Class II work.

1926.1101(g)(7)(i) All Class II work shall be supervised by a competent person as defined in paragraph (b) of this section.

1926.1101(g)(7)(ii) For all indoor Class II jobs, where the employer has not produced a negative exposure assessment or where during the job, changed conditions indicate there may be exposure above the PEL or where the employer does not remove the ACM in a substantially intact state, the employer shall use the following methods to ensure that airborne asbestos does not migrate from the regulated area;

1926.1101(g)(7)(ii)(A) Critical barriers shall be placed over all openings to the regulated area.

  • 1926.1101(g)(7)(ii)(C) Impermeable drop cloths shall be placed on surfaces beneath all removal activity;
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9 - Laboratory Information

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9.1.1 - EMSL Laboratory Information

EMSL Address

1010 Yuma Street Denver, CO 80204

1010 Yuma Street, Denver, CO 80204

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9.1.2 - EMSL Laboratory Information

Analysis Information

Test Report: Asbestos Analysis of Bulk Materials via EPA 600/R-93/116 Method using Polarized Light Microscopy

The date of analysis, the name and signature of the microscopist performing the analysis, the method of analysis and the results of the analysis can all be found in the attached report from EMSL.

10 - Property Owner & Consumer Information

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10.1.1 - FAQ

How is asbestos used?

Asbestos has been mined and used commercially in North America since the late 1800s, but its use increased greatly during World War II. Since then, it has been used in many industries. For example, the building and construction industry uses it for strengthening cement and plastics as well as for insulation, fireproofing and sound absorption. The shipbuilding industry has used asbestos to insulate boilers, steampipes, hot water pipes and nuclear reactors in ships. The automotive industry uses asbestos in vehicle brakeshoes and clutch pads. More than 5,000 products contain or have contained asbestos, including sewage piping, roofing and siding, railroad cars, airplanes, industrial filters for beverages, small appliance components, and underlying material for sheet flooring, packing components, heat- and fire-resistant clothing, paints, coatings, sealants caulking and much more.

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10.1.2 - FAQ

What are the health hazards of exposure to asbestos?

Exposure to asbestos may increase the risk of several serious diseases, including Asbestosis, Lung cancer, Mesothelimoa and other cancers such as larynx and gastrointestinal tract. Asbestosis is a chronic lung ailment that can produce shortness of breath and permanent lung damage and also increase the risk of dangerous lung infections. Mesothelioma is a relatively rare cancer of the thin membranes that line the chest and abdomen.