A01.07_Appendix_6_-_Asbestos_and_Lead_Survey_Results.pdf

Building Number: DLASJ Tracy, Building T-100, Cafeteria, Specific Locations Date of Evaluation: 10 May 2012 Subject: Suspect Asbestos Containing Material (SACM) and Suspect Lead Based Paint Laboratory Analytical Results

Background On 10 May 2012, bulk samples were collected of suspect asbestos containing materials (SACM) and suspect lead-based paint from the DLASJ Tracy, Building T-100, Cafeteria (specific areas), as part of the preparation for a proposed renovation project. Robert Miller, a Division of Occupational Safety and Health Certified Asbestos Consultant for the State of California, CAC # 95-1821, collected the bulk samples. The bulk samples were submitted to Micro Analytical Laboratories, Inc., Emeryville, California for analysis. The AHERA-recommended analytical procedure polarized light microscopy (EPA Method/600/R-93/116) was used for the laboratory analysis of the bulk samples.

Selected bulk samples were analyzed for lead by Flame Atomic Absorption Spectrometry in accordance with EPA/846, Method 7420.

BUILDING T-100, DRY GOODS STORAGE ROOMS (2) (north-west corner of cafeteria kitchen)

Bulk Sample: 0510-100-01: Brown covebase adhesive and white associated paint on walls located on the two dry good storage rooms. There was no asbestos detected in the bulk sample.

Bulk Sample: 0510-100-02: White with brown streaks, 12-inch by 12-inch vinyl floor tiles and black associated adhesive. The vinyl floor tiles contain 3% Chrysotile Asbestos. The associated black adhesive contains 10% Chrysotile asbestos. There was a total of 320 square feet of the ACM inside the two dry good storage rooms.

Bulk Samples 0510-100-03 and 0510-100-04: Drywall System consisting of gypsum drywall, taping compound and applied skim coat material. The taping compound contained 2% chrysotile asbestos, and the skim coat material contained 2% chrysotile asbestos. The drywall system included the walls and ceilings inside the two dry good storage rooms. There was approximately 1,250 feet of the ACM. The white l2cocpc9 Text Box

APPENDIX 6

T-100 Cafeteria (specific areas) Proposed Renovation, Asbestos and Lead-Based Paint Report Page 2 21 May 2012 paint on the drywall system was tested for lead. The analysis for lead was reported as non-detected.

BUILDING T-100, FOOD SERVICE AREA (customer order area)

Bulk Samples 0510-100-05 and 0510-100-08: Gypsum (plaster type) wall system, with skim coat and white paint. There was no asbestos detected in the bulk samples.

Bulk Sample: 0510-100-06: Tan covebase adhesive and white associated paint. There was no asbestos detected in the bulk sample.

Bulk Sample: 0510-100-07: Green with orange streaks, 12-inch by 12-inch vinyl floor tiles and black/yellow associated adhesives. The associated black/yellow adhesive contains 5% Chrysotile asbestos, therefore the floor tiles and associated adhesive are considered an asbestos containing material.

BUILDING T-100, DINING AREA

Bulk Sample: 0510-100-09: Tan with brown streaks, 12-inch by 12-inch vinyl floor tiles and black associated adhesive. The vinyl floor tiles contain 3% Chrysotile Asbestos.

The associated black adhesive contains 10% Chrysotile asbestos. There was a total of 3,250 square feet of the ACM inside the T-100 dining area.

Bulk Samples 0510-100-010, 0510-100-011, and 0510-100-12: Drywall System consisting of gypsum drywall, taping compound, and white and green painted wall paper and associated wall paper adhesive. The drywall system taping compound contains 2% chrysotile asbestos, therefore the drywall system that is covered with white and green wall paper, and wall paper adhesive is all considered an asbestos containing material. There is approximately 2,000 square feet of the ACM inside the T-100 dining area. The white and green paints on the wall paper covering the drywall system was tested for lead. The analysis for lead was reported as non-detected.

Bulk Samples: 0510-100-13 and 0510-100-14: Brown covebase adhesive and white associated paint. There was no asbestos detected in the bulk sample.

BUILDING T-100, HALLWAY WEST OF THE DINING ROOM

Bulk Samples 0510-100-015 and 0510-100-016: Drywall System consisting of gypsum drywall, taping compound and white paint. The taping compound contains 2% chrysotile asbestos. The drywall system included the walls and ceilings inside the subject hallway.

T-100 Cafeteria (specific areas) Proposed Renovation, Asbestos and Lead-Based Paint Report Page 3 21 May 2012

Bulk Samples: 0510-100-117: Brown and yellow covebase adhesives. There was no asbestos detected in the bulk sample.

Bulk Sample: 0510-100-0218: Beige with brown streaks, 12-inch by 12-inch vinyl floor tiles and black associated adhesive. The vinyl floor tiles contain 3% Chrysotile Asbestos. The associated black adhesive contains 10% Chrysotile asbestos. There was a total of 275 square feet of the ACM inside the hallway located to the west of the T-100 dining area.

Recommendations

• If any of the asbestos containing materials identified in this report shall be disturbed or removed, the work must be performed as an OSHA Class II Operation, and must be performed by a California Licensed Asbestos Abatement Contractor.

• The asbestos containing skim coating material associated with the drywall system inside the Building T-100 Dry Goods Storage Room, if removed must be categorized as a regulated asbestos containing material (RACM), and a ten day notification must be obtained by the California licensed asbestos abatement contractor from the San Joaquin Valley Unified Air Pollution Control District.

Also, only AHERA Certified personnel shall be permitted to perform sanding, scrapping, or penetrating of this asbestos containing skim coat material.

Robert Miller, CIH, CAC

Certified Industrial Hygienist Certified Asbestos Consultant

Date: 24 January 2014 Subject: Suspect Lead Suspect Asbestos Containing Materials Associated with the

Yellow Ceramic Wall Tiles and Associated Grout Inside the DLASJ Tracy, Building T-100, Cafeteria, Kitchen

Background On 24 January 2014, bulk samples were collected from the yellow ceramic wall tiles and associated grout located on the walls of the DLASJ Tracy, Building T-100, Cafeteria, Kitchen. Robert Miller, a Certified Industrial Hygienist, and a Division of Occupational Safety and Health Certified Asbestos Consultant for the State of California, CAC # 95- 1821, collected the bulk samples. The bulk samples were submitted to Micro Analytical Laboratories, Inc., Emeryville, California for analysis. The Micro Analytical lab is certified by the American Industrial Hygiene Association (AIHA). The bulk samples were analyzed for lead by Flame Atomic Absorption Spectrometry in accordance with EPA/846, Method 7420. The AHERA-recommended analytical procedure, polarized light microscopy (EPA Method/600/R-93/116) was also used for the bulk samples for the analysis of asbestos.

Lead Sampling Result

Sample Number

Material Description Lead Concentration

0124-100-01 Yellow Ceramic Tiles on the Walls of the Building T- 100 Cafeteria Kitchen

850 mg/Kg (ppm)

Asbestos Sampling Results

Sample Number

Material

Asbestos Present

0124-100-01 Yellow Ceramic Tiles and Associated Grout on the Walls of the Building T-100 Cafeteria Kitchen

No Asbestos was Detected

Conclusion Based on the laboratory analysis there was no asbestos detected in the ceramic wall tiles and associated grout . The laboratory analysis did however determine that the yellow ceramic wall tiles do contain lead.

DLASJ, Tracy, T-100, Cafeteria, Kitchen Page 2 Yellow Ceramic Wall Tiles Lead and Asbestos Survey Report

Recommendations It is recommended that every effort should be made to remove the ceramic wall tiles intact.

Any activities that result in breakage of the lead containing yellow ceramic wall tiles shall be performed within the regulations set forth in Federal OSHA 29 CFR 1926.62, and 29 CFR 1910.1025.

Disturbances that may cause release of lead containing particulates must be performed within a “regulated area.” The regulated areas shall be isolated throughout the operation. All persons not associated with operations that may include disturbing lead containing materials shall not be permitted inside the posted regulated area.

Compressed air shall not be used if there is any potential of disturbing lead particulates. Federal OSHA 29 CFR 1926.62 (h)(5) states that "Compressed air shall not be used to remove lead from any surface unless the compressed air is used in conjunction with a ventilation system designed to capture the airborne dust created by the compressed air."

If vacuuming is implemented to remove lead containing particulates, only vacuum systems equipped with HEPA filters shall be used as described in 29 CFR 1926.62, Appendix B, Paragraph H.

A Hudson Sprayer should be used to wet the lead containing ceramic wall tiles prior to any disturbance.

Personal Protective Equipment (PPE) to be donned when disturbing the lead containing ceramic wall tiles including a half face negative pressure respirator equipped with P-100 cartridges (must be currently enrolled in an OSHA approved respiratory protection program), disposable impermeable (Tyvek) coveralls equipped with attached boot covers and hood, disposable nitrile gloves, and safety goggles with indirect ventilation.

Personnel performing operations inside the designated regulated areas shall not eat, drink, chew tobacco or gum. Food and drinks shall be restricted from the designated restricted areas, and shall only be consumed in a designated clean area.

The workers must remove all PPE, including the Tyvek coveralls, and perform a decontamination procedure prior to breaks, and at the end of the shift. A decontamination system consisting of a shower or three, five gallon containers, and clean towels shall be provided for the abatement personnel. One bucket shall contain soap and water, and the other two buckets shall contain clean water for rinsing.

DLASJ, Tracy, T-100, Cafeteria, Kitchen Page 3 Yellow Ceramic Wall Tiles Lead and Asbestos Survey Report

Personal and area air samples shall be collected throughout any operation that may include disturbing of lead containing ceramic wall tiles. A final clearance wipe sample event shall be conducted at the conclusion of the operation prior to re-occupancy of the regulated areas.

Lead containing materials shall be disposed of per the requirements of the DLASJ Environmental Office.

Robert Miller, CIH, CAC Industrial Hygienist