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Asbestos air analysis results, H.S., May 2002

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Chain of custody and laboratory report for transmission electron microscopy asbestos fiber analysis at a high school received May 11, 2002.

NYC-WTC_000179640–000179662
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NYC 9/11 Public Portal Document

Page / of AIR MONITORING DATA TURNAROUND TIME

ASSOCIATES , AND CHAIN OF CUSTODY FORM 77/7 □ 2 hrs 0 6 hrs □ 48 hrs □ Standard □ 4 hrs □ 24 hrs □ 72 hrs (^Other. PlsflP PROJECT INFORMATION I. Client: ■71 <? l?(U> Project Monitor;^. j ’ ""’'“'flAW-iLY,4.____________ .... .>2,rj|G~4r G Kc"a.wLoJ- 4c. Rotameter Number:

2a. Pioject Address 3a. Task# , 4a. Air Sampler: _ Sc ~ 7. [7] PCM (O.fl micron MCE) ________ 00 \ 8. (23 TEM (0.45 micron MCE) ^GiaxZqL H?-il6 5, Date: 6. Abatement Location: 9. Type: c. □ Abatement 1. □ Environmental CassetlQ/Filler Manufacture NVjLAt- Background d. □ Post-Abate g. [SAmbient Casselte/Fillet Manufacwte 5(11 C’fcAocjoL Lol# ____________ Lot# b. □ Pre-Abate eI iOSHA It. □ Other

DAILY AIR SAMPLE RECORD w 10. 11. 12 Sample Location 13. Time (24 hrs clock) 14. Flow Rate (L/min.) 15. 16. 17. G Sample I.D Pump Total Air Vol. # Fibers./Fields Fiber Cone. F/CC ro Number Number 12a, IWA 12tJ. OWA 12c. Sample Coordinates 13a. Start 13b. End 13c. Total 14a. Start 14b. End 14b, Avg (liters) Minus Blank G M O Field Blank H ni~ oA H O Field Blank 3>O 63 23 __ ty\ca\Vv HvA<ecQA.vc>-€- O H M Ao S'.' oi 152 225 15oo O O H O \-o\yA Loe>&<-( % < M G Hl a oS U 55 5 1/500 o M 23 S a H 1/ M 23 HI > 'S '.o3 026 I? 00 S AT EvAg-CQrvyvC-fi- Yo O L/ YverO ____________________ Y' oC iC51 225 lYoo

w 4o2. M 63 o5 Y'.o^ U5o 2261 S' H <»jo<\-e<OEreL.'eT to o o 06 5£U_________ Y59. 11'6^225 /^oo co o CHAIN OF CUSTODY LAB INFORMATION (ATC ELAP # 10879, ATC NVLAP #1187) 18. ij^elinqtiished By: 19, Received By: 20. Date: 21. Time: 22. Lab Name: 23. Date: 24. Time: 25. Microscope Make/Serial #: K □ Nikon Labophot 238913 I // • ^5^ I7:ao a. Analyzed By: n Nikon Labophot 238917 S Il__________ b. QC By; O □ Nikon Labophot 239079 o in c. Lab Batch #: o Analysis Methodology I 26. ATC Project Manager: 28. Comments: o 27. Result To: o PCM - NIOSH 7400A co tC. Beeper/Phone #'s TEM - AHEHA OY o WHITE - File YELLOW - Client/Report PINK - Lab GOLDENROD - Field NY-1 (1/01) Ui

NYC-WTC_000179660

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NYC-WTC_000179660Source: NYC Law Department, mirrored locally

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NYC-WTC_000181750

Documentation of asbestos fiber analysis by TEM performed on samples from P.S. 234M received on May 21, 2002.

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