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HAZARDOUS MATERIALS EVALUATION STRUCTURAL DEMOLITION PROJECT 139-33-411-008 1516 HASTINGS AVENUE LAS VEGAS, NEVADA Prepared for: Nevada Department of Transportation 1263 South Stewart Street Carson City, Nevada Converse Project No. 12-43224-01 June 1, 2015

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HAZARDOUS MATERIALS EVALUATION

STRUCTURAL DEMOLITION PROJECT 139-33-411-008

1516 HASTINGS AVENUE LAS VEGAS, NEVADA

Prepared for:

Nevada Department of Transportation 1263 South Stewart Street

Carson City, Nevada

Converse Project No. 12-43224-01

June 1, 2015

Converse Consultants Geotechnical Engineering, Environmental & Groundwater Science, Inspection & Testing Services

731 Pilot Road, Suite H, Las Vegas Nevada 89119-4429

Telephone: (702) 269-8336 Facsimile: (702) 269-8353 email: [email protected]

June 1, 2015 12-43224-01 Mr. Rob Piekarz Environmental Services Division Nevada Department of Transportation 1263 South Stewart Street Carson City, Nevada 89701 Subject: Hazardous Materials Evaluation 139-33-411-008 1516 Hastings Avenue Las Vegas, Nevada Dear Mr. Piekarz:

Converse Consultants (Converse) is pleased to submit the results of the hazardous materials evaluation conducted at the above referenced site on April 23, 2015. Based on our understanding of the project, our scope of services consisted of a visual inspection, bulk sample collection of suspect asbestos-containing materials (ACMs), laboratory analysis, and the generation of this report. The objective of our evaluation was to identify asbestos which may require remediation in regard to the planned demolition of the structure. Additional hazardous materials identified at the site have also been noted for proper removal/disposal as required. The survey was performed in general accordance with our proposal dated July 18, 2012 and your written authorization to proceed on October 5, 2012. If you have any questions concerning information contained in this report, please contact us at your convenience. Respectfully submitted, CONVERSE CONSULTANTS Duane H. Matters, CEM Senior Geologist/Asbestos and Lead Program Manager

HAZARDOUS MATERIALS EVALUATION

TABLE OF CONTENTS

PAGE

EXECUTIVE SUMMARY .................................................................................................. i HAZARDOUS MATERIALS SURVEY ............................................................................. 1

SURVEY ...................................................................................................................... 1 METHODOLOGY ........................................................................................................ 1

ASBESTOS .............................................................................................................. 1 LBP .......................................................................................................................... 2

ASBESTOS AND LBP SURVEY RESULTS ................................................................ 2 ASBESTOS .............................................................................................................. 2 LBP .......................................................................................................................... 6

CONCLUSIONS AND RECOMMENDATIONS ............................................................... 7 ASBESTOS ................................................................................................................. 7 LBP .............................................................................................................................. 8 ADDITIONAL HAZARDOUS MATERIALS .................................................................. 9

LIMITATIONS .................................................................................................................. 9

Appendix A: Asbestos Sample Photographs

Laboratory Analytical Report Chain of Custody Documents

Appendix B: Lead Laboratory Analytical Report

Chain of Custody Documents Appendix C: Certifications

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM i

EXECUTIVE SUMMARY

The suspect ACMs identified and sampled during the course of our investigation consisted of:

9” x 9” Floor Tile/Mastic Window Glazing Attic Insulation Plaster Remnant Mastic Wire Insulation CMU Block/Grout Roof Mastic Roofing Felt Roofing Tile Roof Grout Flex Connector (and associated mastic

Following the visual portion of the survey, a total of 42 bulk samples were collected from areas representing the homogeneous use of suspect building materials. Polarized Light Microscopy (PLM) indicated the presence of asbestos in excess of 1% by weight in four of the materials tested. The materials identified consisted of the following:

Floor Tile Mastic 9” x 9” Floor Tile (Garage) Roofing Mastic Flex Connector

It is the opinion of Converse, based on our understanding of the National Emission Standards for Hazardous Air Pollutants (NESHAP), that the following ACMs will require removal by a certified Nevada licensed abatement contractor in order to comply with Federal, State, and County regulations prior to the demolition process. It may also be necessary to perform third party air quality sampling after the removal activities to comply with Nevada OSHES and Clark County Department of Air Quality (CCDAQ) regulations.

Flex Connector (and associated mastic)

It is the opinion of Converse that with the use of proper engineering controls (i.e. wet methods, perimeter air monitoring, and proper training of the demolition contractor), the approval of Nevada OSHES, CCDAQ, and if no recycling of waste materials is permitted, the following non-friable ACMs may be allowed to stay in place through the

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM ii

demolition process (however if the slabs will be left in place after building demolition any tile and mastic should be removed from the slab before building demolition):

Floor Tile Mastic 9” x 9” Floor Tile (Garage) Roofing Mastic

Three damaged suspect lead-based paints (LBPs) were identified and sampled during the course of our investigation. The suspect paints included white paint located on exterior wood dormer vent, white paint on the exterior wood facia, and red/brown paint located on the garage facia. The white paint film coating on the exterior wood facia tested had concentrations above regulatory action levels as set by Fed-OSHA. Other paint film coatings observed appeared to be intact and in good condition.

In regard to the future demolition of the structure, it is the opinion of Converse that the loose and/or peeling paint located on the exterior of the structure will require stabilization and/or component removal by a certified Nevada licensed lead abatement contractor utilizing workers that have undergone the necessary lead training and are EPA certified prior to the demolition process. Waste resulting from the stabilization must be characterized and profiled for lead content prior to determining the transportation and disposal methods. Other suspect LBP paint film coatings in fair condition may remain in place during the demolition process. Those building components with intact paint can be disposed of as non-hazardous construction waste. The demolition contractor must be notified that they will be required to follow OSHA methods of compliance as stated in 29 CFR 1926.62 regarding employee protection. Also, perimeter air monitoring must be conducted during the demolition process to identify possible airborne lead concentrations during the demolition process.

Information regarding the suspect ACMs/LBP sampled/analyzed is provided in the body of our report.

Additional hazardous materials that have been identified which will require proper disposal prior to the demolition process consist of the following:

0 Smoke Detectors 0 Fluorescent Light Bulbs 0 Light Ballasts 0 Compact Fluorescent Light Bulbs 1 HVAC Unit (Refrigerant) 0 Mercury-containing Thermostats

All light fixtures must be evaluated for polychlorinated biphenyl (PCB) containing ballasts during the abatement process.

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 1

HAZARDOUS MATERIALS SURVEY

SURVEY

On April 24, 2015, Converse Consultants (Converse) conducted a visual and sampling survey at the residential structure located at 1516 Hastings Avenue in Las Vegas, Clark County, Nevada. The objective of our evaluation was to identify asbestos and/or damaged lead-containing paint film coatings which may require remediation in regard to the planned demolition of the structure. Additional hazardous materials identified at the site have also been noted for proper removal/disposal as required. The survey was performed in general accordance with our proposal dated July 18, 2012 and your written authorization to proceed on October 15, 2012.

The site consisted of an approximate 1,000 square foot (SF) slab-on grade structure. The structure was used for residential purposes and reportedly built in 1949. Interior walls are drywall, plaster, and ceramic tile. The exterior of the building is block with asphalt shingle roofing with asphaltic mastic.

METHODOLOGY

ASBESTOS

A visual survey was performed to classify each suspect ACM by location and condition in order to establish homogeneous areas for bulk sample collection. Homogeneous areas refer to areas in which similar application, age, and appearance of building materials exist.

Following the visual portion of the survey, a total of 42 bulk samples were collected from areas representing the homogeneous use of suspect ACMs. A summary of these samples regarding each material location and condition is found in the chain of custody documentation in Appendix A.

In general, suspect ACM bulk samples were obtained by (1) adequately wetting the sample area with a water and surfactant mixture and (2) placing bulk pieces of the building materials into labeled plastic bags. Where possible, bulk samples were obtained to the depth of the affected area. Bulk samples were transferred to an analytical laboratory with continuous chain-of-custody documentation.

Our sampling methodology followed the general guidelines for bulk asbestos sampling as presented in Section 40, Part 763 (AHERA) of the Code of Federal Regulations (CFR).

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 2

LBP

A visual survey was performed to identify damaged suspect lead-containing paint film coatings in poor condition (loose and/or peeling) at the site. Sampling of loose and/or peeling paint film coatings was conducted to determine lead concentrations and whether the paint film coatings would require stabilization prior to the demolition process. A total of three paint chip samples were collected. LBP sample collection was conducted by removing the peeling/damaged paint film coating with a hand chisel and then uplifting the representative paint layer. The paint was removed as closely as possible to the substrate. Once the sample was collected, it was transferred to a labeled, sealable sample bag. Following collection, the sample was assigned a field sample number and listed on a laboratory submittal form. A summary of the samples is presented on the EMS laboratory submittal form located in Appendix B. All other paint film coatings observed appeared to be intact and in good condition.

Our sampling methodology generally followed the “Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing” published by the Department of Housing and Urban Development (HUD) in 1995.

ASBESTOS AND LBP SURVEY RESULTS

ASBESTOS

The 42 bulk samples collected from the Property of suspect homogeneous ACMs were submitted to the Forensic asbestos lab located in Las Vegas, Nevada for analysis by Polarized Light Microscopy (PLM – US EPA Method 600/R-93/116). The Converse asbestos lab is accredited by the U.S. Department of Commerce, National Institute of Standards and Technology (NIST), under the National Voluntary Laboratory Accreditation Program (NVLAP) for bulk asbestos analysis. Per regulations, each layer of a sample must be analyzed as a separate material. Due to layering exhibited in the 42 samples, a total of 82 separate analyses were performed on the samples. A summary of the materials sampled and the analytical results is presented in the following table.

Summary of Suspect ACMs

Sample ID#/Layer

Suspect Material Location Asbestos

Content (%) EPA

Category Quantity

1516-001-A 9” x 9” Floor Tile (Off-white) Living Room, Adjacent to

Front Door

Non-Detect Non-ACM

325 SF

1516-001-B Mastic (Black) 7% Chrysotile Category II-

NF

1516-002-A 9” x 9” Floor Tile (Off-white)

Hallway, At Bathroom

Non-Detect Non-ACM

1516-002-B Mastic (Black) 7% Chrysotile Category II-

NF

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 3

Sample ID#/Layer

Suspect Material Location Asbestos

Content (%) EPA

Category Quantity

1516-003 Window Glazing (Off-white)

Exterior, South Side, Bathroom Window

Non-Detect Non-ACM N/M

1516-004 Window Glazing (Off-white)

Exterior, North Side, Northeast Corner

Non-Detect Non-ACM N/M

1516-005 Attic Insulation (White) Living Room Non-Detect Non-ACM N/M

1516-006 Attic Insulation (White) Living Room Non-Detect Non-ACM N/M

1516-007-A Drywall (White)

Living Room, Ceiling

Non-Detect Non-ACM N/M

1516-007-B Plaster (Orange) Non-Detect Non-ACM N/M

1516-007-C Plaster (White) Non-Detect Non-ACM N/M

1516-007-D Paint Non-Detect Non-ACM N/M

1516-008-A Drywall (White)

Living Room, Debris

Non-Detect Non-ACM N/M

1516-008-B Plaster (Orange) Non-Detect Non-ACM N/M

1516-008-C Plaster (White) Non-Detect Non-ACM N/M

1516-008-D Paint Non-Detect Non-ACM N/M

1516-009-A Drywall (White)

Living Room Ceiling, South Side At Window

Non-Detect Non-ACM N/M

1516-009-B Plaster (Orange) Non-Detect Non-ACM N/M

1516-009-C Plaster (White) Non-Detect Non-ACM N/M

1516-009-D Paint Non-Detect Non-ACM N/M

1516-010 Mastic (Brown) Kitchen Non-Detect Non-ACM N/M

1516-011 Mastic (Brown) Kitchen Non-Detect Non-ACM N/M

1516-012 Mastic (Black) Northeast Corner Bedroom

Non-Detect Non-ACM N/M

1516-013 Mastic (Black) Southeast Corner Bedroom

Non-Detect Non-ACM N/M

1516-014 Mastic (Black) Bathroom Non-Detect Non-ACM N/M

1516-015 Wire Insulation (Brown) Living Room, Adjacent to Fuse Box

Non-Detect Non-ACM N/M

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 4

Sample ID#/Layer

Suspect Material Location Asbestos

Content (%) EPA

Category Quantity

1516-016 Wire Insulation (Brown) Living Room/Kitchen, South Wall

Non-Detect Non-ACM N/M

1516-017 Phone Wire Insulation, (Brown)

Living Room/Kitchen, South Wall

Non-Detect Non-ACM N/M

1516-018 Phone Wire Insulation, (Brown)

Living Room/Kitchen, South Wall

Non-Detect Non-ACM N/M

1516-019-A Grout (Grey)

Exterior, Southside, At front Door

Non-Detect Non-ACM N/M

1516-019-B CMU Block (Multicolored) Non-Detect Non-ACM N/M

1516-019-C Paint Non-Detect Non-ACM N/M

1516-020-A Grout (Grey)

Exterior, Northwest Corner

Non-Detect Non-ACM N/M

1516-020-B CMU Block (Multicolored) Non-Detect Non-ACM N/M

1516-020-C Paint Non-Detect Non-ACM N/M

1516-021-A Plaster (Off-white)

Living Room (West Wall)

Non-Detect Non-ACM N/M

1516-021-B Paint Non-Detect Non-ACM N/M

1516-022-A Plaster (Off-white) Southeast Corner Bedroom, East Wall

Non-Detect Non-ACM N/M

1516-022-B Paint Non-Detect Non-ACM N/M

1516-023-A Plaster (Off-white) Northeast Corner Bedroom, North Wall

Non-Detect Non-ACM N/M

1516-023-B Paint Non-Detect Non-ACM N/M

1516-024-A Plaster (White)

Living Room, East Wall

Non-Detect Non-ACM N/M

1516-024-B Paint Non-Detect Non-ACM N/M

1516-025-A Plaster (White) Southeast Corner Bedroom, West Wall

Non-Detect Non-ACM N/M

1516-025-B Paint Non-Detect Non-ACM N/M

1516-026-A Plaster (White) Northeast Corner Bedroom, South Wall

Non-Detect Non-ACM N/M

1516-026-B Paint Non-Detect Non-ACM N/M

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 5

Sample ID#/Layer

Suspect Material Location Asbestos

Content (%) EPA

Category Quantity

1516-027-A 1’ x 1’ Floor Tile (Off-white) Living Room, North

Portion

Non-Detect Non-ACM N/M

1516-027-B Mastic (Yellow) Non-Detect Non-ACM N/M

1516-028-A 1’ x 1’ Floor Tile (Off-white) Living Room, North

Portion

Non-Detect Non-ACM N/M

1516-028-B Mastic (Yellow) Non-Detect Non-ACM N/M

1516-029-A 9” x 9” Floor Tile (Black) Garage Structure, Center Area

7% Chrysotile Category I-

NF

240 SF

1516-029-B Mastic (Black) Non-Detect Non-ACM

1516-030-A 9” x 9” Floor Tile (Black) Garage Structure, Center Area

7% Chrysotile Category I-

NF

1516-030-B Mastic (Black) Non-Detect Non-ACM

1516-031-A CMU Block (Grey Red Brown)

Garage, Exterior, Southwest Corner of East End

Non-Detect Non-ACM N/M

1516-031-B Grout (Grey) Non-Detect Non-ACM N/M

1516-031-C Paint Non-Detect Non-ACM N/M

1516-032 Window Glazing (Grey) Garage, East End, West Window

Non-Detect Non-ACM N/M

1516-032 Paint Non-Detect Non-ACM N/M

1516-033 Window Glazing (Grey) Garage, East End, East Window

Non-Detect Non-ACM N/M

1516-033 Paint Non-Detect Non-ACM N/M

1506-034 Roof Mastic (Black) Roof, HVAC Penetration 25% Chrysotile Category I-

NF

20 SF 1516-035-A Copper Woven Wire Roof, Electrical Penetration

Non-Detect Non-ACM

15169-035-B Roof Mastic (Black) 25% Chrysotile Category I-

NF

1516-036-A Roof Tar (Black Brown) Northwest Corner of HVAC Shingle Area

Non-Detect Non-ACM N/M

1516-036-B Roof Felt (Black Brown) Non-Detect Non-ACM N/M

1516-037-A Roof Tar (Black Brown)

Southeast Corner of Roof

Non-Detect Non-ACM N/M

1516-037-B Roof Felt (Black Brown) Non-Detect Non-ACM N/M

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 6

Sample ID#/Layer

Suspect Material Location Asbestos

Content (%) EPA

Category Quantity

1516-038 Roof Tile (Beige) Northwest Corner of HVAC Shingle Area

Non-Detect Non-ACM N/M

1516-039 Grout (Beige) Roof, Vent Pipe Non-Detect Non-ACM N/M

1516-040-A Flex Connector, Woven (White)

Roof, HVAC Unit

20% Chrysotile RACM

3 SF

1516-040-B Roof Mastic (Brown) 5% Chrysotile Category I-

NF

1516-041 Roof Tile (Beige) Garage, Adjacent to Southwest Corner

Non-Detect Non-ACM N/M

1516-042-A Roof Tar (Black Brown) Garage, Adjacent to Southwest Corner

Non-Detect Non-ACM N/M

1516-042-B Roof Felt (Black Brown) Non-Detect Non-ACM N/M

Note: EPA material classifications include: 1) Friable (F), 2) Non-friable (N), and 3) Non-Friable-potentially friable (N-PF) indicating materials which are currently non-friable which may be made friable by standard renovation or demolition techniques. All quantities are estimates and must be field verified by the abatement contractor.

Photos of samples that were determined to be asbestos containing, analytical reports, and chain of custody documentation are provided in Appendix A.

LBP

The paint chip samples collected from the Property was submitted to EMS Laboratories, Inc. located at 117 West Bellevue Drive, Suite #3, in Pasadena, California for analysis by atomic absorption spectroscopy Method EPA 3050M/7420. EMS Laboratories, Inc. is EPA-NLLAP accredited and enrolled in and proficient throughout the American Industrial Hygiene Association Lead Analysis (101634) – ELPAT Program. A summary of the material sampled and the analytical result is presented in the following table.

Summary of Suspect LBPs

Sample # Building Component Paint Color Lead Content

(ppm)

1516-LBP-1 Roof, West End, Vent White 720

1516-LBP-2 North Side, Facia White 5,100

1516-LBP-2 Garage South Side, Facia Red/Brown 470

Copies of analytical reports and chain of custody documentation are provided in Appendix B.

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 7

CONCLUSIONS AND RECOMMENDATIONS ASBESTOS Current State and Federal standards define an asbestos-containing material as “any material containing asbestos in excess of one percent by weight.” It is noted that Federal OSHA regulates worker exposure to airborne asbestos fibers with Permissible Exposure Limits (PELs) and requires specific work practices and procedures, per 29 CFR1926.1101, when disturbing materials containing asbestos. State of Nevada protects building occupants from airborne asbestos exposure; Clark County Department of Air Quality (CCDAQ) does not allow any airborne asbestos fiber generation. ACMs containing greater than 1% asbestos are required to be abated prior to the demolition/renovation or remodeling activities that will impact or disturb the asbestos-containing materials resulting in the creation of airborne asbestos fibers. It is the opinion of Converse, based on our understanding of the National Emission Standards for Hazardous Air Pollutants (NESHAP), that the following ACMs will require removal by a certified Nevada licensed abatement contractor in order to comply with Federal, State, and County regulations prior to the demolition process. It may also be necessary to perform third party air quality sampling after the removal activities to comply with Nevada OSHES and CCDAQ regulations.

ACMs to be Abated

Suspect Material Location Quantity % Asbestos

Detected

Flex Connector (with associated mastic)

Roof, HVAC Unit ≈ 3 SF

20% Chrysotile (Mastic 5% Chrysotile)

It is the opinion of Converse that with the use of proper engineering controls (i.e. wet methods, perimeter air monitoring, and proper training of the demolition contractor), the approval of Nevada OSHES, CCDAQ, and if no recycling of waste materials is permitted, the following non-friable ACMs may be allowed to stay in place through the demolition process (however if the slabs will be left in place after building demolition any floor tile and mastic should be removed from the slab before building demolition):

ACMs to be Left in Place

Suspect Material Location Quantity % Asbestos

Detected

Mastic (Black) Appeared typical to: Living Room and Hallway Underlying 1’ x 1’ Floor Tile

(White) ≈ 325 SF 7% Chrysotile

9” x 9” Floor Tile (Black) Garage Structure, Center Area ≈ 240 SF 7% Chrysotile

Roof Mastic Appeared typical to: Penetrations on Pitched Roof ≈ 20 SF 25% Chrysotile

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 8

It is the opinion of Converse, based on our understanding of the National Emission Standards for Hazardous Air Pollutants (NESHAP), that standard demolition procedures may be used in regard to the structure at the site.

LBP

The EPA and HUD define LBP as those materials, which contain greater than 1.0 mg/cm2, 0.5%, or 5,000 parts per million (ppm) lead. Fed-OSHA defines LBP as those materials which contain greater than 0.6 mg/cm2 or 600 ppm lead, which consequently triggers their lead regulation requiring training, personal protection equipment, and specific work practices.

Three damaged suspect LBPs were identified and sampled during the course of our investigation and consisted of white paint located on exterior wood dormer vent, white paint on the exterior wood facia, and red/brown paint located on the garage facia. The white paint film coating on the exterior wood facia tested had concentrations above regulatory action levels as set by Fed-OSHA. Other paint film coatings observed appeared to be intact and in good condition.

It is the opinion of Converse that the loose and/or peeling paint located on the exterior of the structure will require stabilization and/or component removal by a certified Nevada licensed lead abatement contractor utilizing workers that have undergone the necessary lead training and are EPA certified prior to the demolition process. Waste resulting from the stabilization must be characterized and profiled for lead content prior to determining the transportation and disposal methods. Other suspect LBP paint film coatings in fair condition may remain in place during the demolition process. Those building components with intact paint can be disposed of as non-hazardous construction waste. The demolition contractor must be notified that they will be required to follow OSHA methods of compliance as stated in 29 CFR 1926.62 regarding employee protection. Also, perimeter air monitoring must be conducted during the demolition process to identify possible airborne lead concentrations during the demolition process.

Using a conservative approach, OSHA considers paint with measurable lead as a LBP because of possible health concerns. A LBP project is a project disturbing lead-based paint, including sealing over previous paint coats. OSHA regulations require personal protective equipment and procedures be used on nearly all lead-based paint projects, unless specific related project documentation including personnel air monitoring for airborne lead levels verifies the protective equipment and procedures are not necessary. OSHA regulations also require employee training, medical monitoring, and proper signage and safety program implementations similar to what is implemented when handling other hazardous materials. It must be noted that OSHA lead regulations 1910.1025 in the OSHA Standards for General Industry require that a Negative Initial Determination for lead exposure be made with paint that contains greater than 0.06% (600 ppm) lead. Paint with less than 0.06% lead should still be treated within OSHA guidelines, but the utilization of proper engineering controls should not generate OSHA action levels of lead exposure.

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 9

ADDITIONAL HAZARDOUS MATERIALS

Additional identified hazardous materials which will require proper disposal prior to the demolition process consist of the following:

0 Smoke Detectors 0 Fluorescent Light Bulbs 0 Light Ballasts 0 Compact Fluorescent Light Bulbs 1 HVAC Unit (Refrigerant) 0 Mercury-containing Thermostats

All light fixtures must be evaluated for PCB containing ballasts during the abatement process for the presence of a “No PCB” label.

LIMITATIONS This report has been prepared for the sole benefit and exclusive use of the Nevada Department of Transportation as it pertains to the Project Neon property located at 1516 Hastings Avenue in Las Vegas, Clark County, Nevada. Our services have been performed with generally accepted practices in the environmental sciences. No other warranty, either expressed or implied, is made. Converse is not responsible for any claims or liable for any claims or damages associated with the accuracy or completeness of information provided by others. This letter report should not be regarded as a guarantee that no further asbestos-containing materials and/or lead-based paint, beyond that which was suspected to be present (and sampled) during our investigation, is present at the Property. Other suspect materials may be uncovered that were previously hidden during renovation or demolition. Additional samples of these materials should be collected and analyzed for asbestos and/or lead-based paint if this occurs. In the event that changes in the nature of the Property occur, or additional relevant information about the Property is brought to our attention, the conclusions and recommendations contained in this assessment may not be valid unless these changes and additional relevant information are reviewed and the recommendations of this assessment are modified or verified in writing. Reliance on this letter report by Third Parties shall be at the Third Party’s sole risk.

HAZARDOUS MATERIALS EVALUATION

12-43224-01 NDOT 1516 Hastings Avenue DHM 10

Thank you for the opportunity to be of service. Should you have any questions or comments regarding this report, or if you require further assistance, please do not hesitate to call our office.

Respectfully submitted,

CONVERSE CONSULTANTS

Duane Matters, CEM Senior Geologist/Asbestos and Lead Program Manager Nevada License No.: IJPM-1066 EPA Lead Risk Assessor #NV-R-16054-3 EPA Lead Designer #NV-P-16054-2

Reviewed and Approved by:

Kathi Brandmueller, PE, CEM Senior Engineer

Enclosures: Appendices A, B, and C

Appendix A

ASBESTOS

Photo 1 – General view of Sample Location 1516-001.

Photo 2 – General view of Sample Location 1516-002.

Photo 3 – General view of Sample Location 1516-029 & 1516-030.

Photo 4 – General view of Sample Location 1516-034.

Photo 5 – General view of Sample Location 1516-035.

Photo 6 – General view of Sample Location 1516-040.

Final Report

(EPA Method 600/R-93-116, Visual Area Estimation)

Forensic Analytical Laboratories

Bulk Asbestos Analysis1647Client ID:Converse EnvironmentalB204739Report Number:Duane Matters

Date Received:Consultants Southwest Inc04/28/15Date Analyzed:3095 East Patrick Lane, Ste 104/29/15Date Printed:Las Vegas, NV 89120

First Reported:

1647Project Neon; 1516 Hastings, LV, NV FALI Job ID:Job ID/Site:

Date(s) Collected: 04/23/201520Total Samples Submitted:

Total Samples Analyzed: 20

04/27/15

04/29/15

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-001 01089416Layer: Off-White Tile NDLayer: Black Mastic Chrysotile 7 %

Asbestos (Trace)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-002 01089417Layer: Off-White Tile NDLayer: Black Mastic Chrysotile 7 %

Asbestos (Trace)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-003 01089418Layer: Off-White Non-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-004 01089419Layer: Off-White Non-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-005 01089420Layer: White Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace) Fibrous Glass (95 %)

1516-006 01089421Layer: White Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace) Fibrous Glass (95 %)

1516-007 01089422Layer: White Drywall NDLayer: Orange Plaster NDLayer: White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %)

1 of 36765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Report Number: B204739Date Printed: 04/29/15Client Name: Converse Environmental

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-008 01089423Layer: White Drywall NDLayer: Orange Plaster NDLayer: White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %)

1516-009 01089424Layer: White Drywall NDLayer: Orange Plaster NDLayer: White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %)

1516-010 01089425Layer: Brown Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-011 01089426Layer: Brown Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-012 01089427Layer: Black Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-013 01089428Layer: Black Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-014 01089429Layer: Black Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-015 01089430Layer: Brown Semi-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %) Fibrous Glass (10 %) Synthetic (5 %)

1516-016 01089431Layer: Brown Semi-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %) Synthetic (10 %)

2 of 36765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Report Number: B204739Date Printed: 04/29/15Client Name: Converse Environmental

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-017 01089432Layer: Brown Semi-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %) Synthetic (10 %)

1516-018 01089433Layer: Brown Semi-Fibrous Material ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (30 %) Synthetic (10 %)

1516-019 01089434Layer: Grey Grout NDLayer: Multicolored Cementitious Material NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-020 01089435Layer: Grey Grout NDLayer: Multicolored Cementitious Material NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

Analytical results and reports are generated by Forensic Analytical Laboratories Inc. (FALI) at the request of and for the exclusive use of the person or entity (client) named on suchreport. Results, reports or copies of same will not be released by FALI to any third party without prior written request from client. This report applies only to the sample(s) tested.Supporting laboratory documentation is available upon request. This report must not be reproduced except in full, unless approved by FALI. The client is solely responsible for theuse and interpretation of test results and reports requested from FALI. Forensic Analytical Laboratories Inc. is not able to assess the degree of hazard resulting from materialsanalyzed. FALI reserves the right to dispose of all samples after a period of thirty (30) days, according to all state and federal guidelines, unless otherwise specified. All samples werereceived in acceptable condition unless otherwise noted.

Note: Limit of Quantification ('LOQ') = 1%. 'Trace' denotes the presence of asbestos below the LOQ. 'ND' = 'None Detected'.Rachel Kolberg, Laboratory Analyst, Las Vegas Laboratory

3 of 36765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Final Report

(EPA Method 600/R-93-116, Visual Area Estimation)

Forensic Analytical Laboratories

Bulk Asbestos Analysis1647Client ID:Converse EnvironmentalB204740Report Number:Duane Matters

Date Received:Consultants Southwest Inc04/28/15Date Analyzed:3095 East Patrick Lane, Ste 104/28/15Date Printed:Las Vegas, NV 89120

First Reported:

1647Project Neon; 1516 Hastings, LV, NV FALI Job ID:Job ID/Site:

Date(s) Collected: 04/22/201510Total Samples Submitted:

Total Samples Analyzed: 10

04/27/15

04/28/15

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-021 01089436Layer: Off-White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-022 01089437Layer: Off-White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-023 01089438Layer: Off-White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-024 01089439Layer: White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-025 01089440Layer: White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-026 01089441Layer: White Drywall NDLayer: Off-White Plaster NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (20 %)

1 of 26765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Report Number: B204740Date Printed: 04/28/15Client Name: Converse Environmental

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-027 01089442Layer: Off-White Tile NDLayer: Yellow Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-028 01089443Layer: Off-White Tile NDLayer: Yellow Mastic ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-029 01089444Layer: Black Tile Chrysotile 7 %Layer: Black Mastic ND

Asbestos (7%)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-030 01089445Layer: Black Tile Chrysotile 7 %Layer: Black Mastic ND

Asbestos (7%)Total Composite Values of Fibrous Components:Cellulose (Trace)

Analytical results and reports are generated by Forensic Analytical Laboratories Inc. (FALI) at the request of and for the exclusive use of the person or entity (client) named on suchreport. Results, reports or copies of same will not be released by FALI to any third party without prior written request from client. This report applies only to the sample(s) tested.Supporting laboratory documentation is available upon request. This report must not be reproduced except in full, unless approved by FALI. The client is solely responsible for theuse and interpretation of test results and reports requested from FALI. Forensic Analytical Laboratories Inc. is not able to assess the degree of hazard resulting from materialsanalyzed. FALI reserves the right to dispose of all samples after a period of thirty (30) days, according to all state and federal guidelines, unless otherwise specified. All samples werereceived in acceptable condition unless otherwise noted.

Note: Limit of Quantification ('LOQ') = 1%. 'Trace' denotes the presence of asbestos below the LOQ. 'ND' = 'None Detected'.Rachel Kolberg, Laboratory Analyst, Las Vegas Laboratory

2 of 26765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Final Report

(EPA Method 600/R-93-116, Visual Area Estimation)

Forensic Analytical Laboratories

Bulk Asbestos Analysis1647Client ID:Converse EnvironmentalB204741Report Number:Duane Matters

Date Received:Consultants Southwest Inc04/29/15Date Analyzed:3095 East Patrick Lane, Ste 104/29/15Date Printed:Las Vegas, NV 89120

First Reported:

1647Project Neon; 1516 Hastings, LV, NV FALI Job ID:Job ID/Site:

Date(s) Collected: 04/23/201512Total Samples Submitted:

Total Samples Analyzed: 12

04/27/15

04/29/15

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-031 01089446Layer: Grey Red Brown Cementitious Material NDLayer: Grey Grout NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-032 01089447Layer: Grey Cementitious Material NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-033 01089448Layer: Grey Cementitious Material NDLayer: Paint ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-034 01089449Layer: Black Penetration Mastic Chrysotile 25 %

Asbestos (25%)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-035 01089450Layer: Copper Wire Woven NDLayer: Black Penetration Mastic Chrysotile 25 %

Asbestos (23%)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-036 01089451Layer: Black Brown Tar NDLayer: Black Brown Felt ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (40 %) Fibrous Glass (35 %)

1516-037 01089452Layer: Black Brown Tar NDLayer: Black Brown Felt ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (40 %) Fibrous Glass (35 %)

1 of 26765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Report Number: B204741Date Printed: 04/29/15Client Name: Converse Environmental

Sample ID Lab NumberAsbestos

TypePercent in

LayerAsbestos AsbestosPercent in Percent in

Type TypeLayer Layer

1516-038 01089453Layer: Beige Tile ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-039 01089454Layer: Beige Grout ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-040 01089455Layer: White Woven Chrysotile 20 %Layer: Brown Mastic Chrysotile 5 %

Asbestos (17%)Total Composite Values of Fibrous Components:Cellulose (60 %) Fibrous Glass (5 %)

1516-041 01089456Layer: Beige Tile ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (Trace)

1516-042 01089457Layer: Black Brown Tar NDLayer: Black Brown Felt ND

Asbestos (ND)Total Composite Values of Fibrous Components:Cellulose (40 %) Fibrous Glass (35 %)

Analytical results and reports are generated by Forensic Analytical Laboratories Inc. (FALI) at the request of and for the exclusive use of the person or entity (client) named on suchreport. Results, reports or copies of same will not be released by FALI to any third party without prior written request from client. This report applies only to the sample(s) tested.Supporting laboratory documentation is available upon request. This report must not be reproduced except in full, unless approved by FALI. The client is solely responsible for theuse and interpretation of test results and reports requested from FALI. Forensic Analytical Laboratories Inc. is not able to assess the degree of hazard resulting from materialsanalyzed. FALI reserves the right to dispose of all samples after a period of thirty (30) days, according to all state and federal guidelines, unless otherwise specified. All samples werereceived in acceptable condition unless otherwise noted.

Note: Limit of Quantification ('LOQ') = 1%. 'Trace' denotes the presence of asbestos below the LOQ. 'ND' = 'None Detected'.Rachel Kolberg, Laboratory Analyst, Las Vegas Laboratory

2 of 26765 S. Eastern Avenue, Suite 3, Las Vegas, NV 89119 / Telephone: (702) 387-0040 / Fax: (702) 784-0030

Appendix B

LEAD

Appendix C

CERTIFICATIONS