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Document / 57 pages

WTC environmental lab report and data distribution, January 2002

Machine-extracted title · confidence 65%

57-page lab report documenting World Trade Center environmental test results distributed to multiple federal, state, and local agencies including CDC and EPA.

NYC-WTC_000130550–000130606

Folder label: “E-Mail 1/2/02

Page image
Scanned page image, NYC-WTC_000130582
OCR text

OCR status: ocr · source: ours

NYC-WTC_000130582 NYC Response Asbestos Air Sampling Results for Staten Island Landfill Sampling Date and Times: 12/24/01 0905 to 12/25/01 0005 Data Validation Date: 12/28/2001 PCM by NIOSH 7400 TEM ( AHERA) Sampling Sampling | Sample Structures (#) Date Sample No. | Location | Volume*| Matrix fimm? fice 0.5p-5y| Sp Simm? | S~ficc* 12/24/01 LFO1773 P-1 900 Air <7.0 <0.003 0 0 <11.25 | <0.0048 12/24/01 LFO1774 P-2 564 Air <7.0 <0.005 0 0 <7.87 | <0.0054 12/24/01 LFO1775 P-3 804 Air <7.0 <0.003 0 0 <9.84 | <0.0047 12/24/01 LFO1776 P-4 775 Air <7.0 <0.003 0 0 <9.84 | <0.0049 12/24/01 LFO1777 P-5 788 Air <7.0 <0.003 0 0 <9.84 | <0.0048 12/24/01 LFO1778 P-6 ng) ns® ns) ns ns) ns ns ns) 12/24/01 LFO1779 P-7 748 Air <7.0 <0.004 0 0 <8.75_ | <0.0045 12/24/01 LFO1780 P-8 834 Air <7.0 <0.003 0 0 <9,84 | <0.0045 12/24/01 LFO1781 W-11 830 Air <7.0 <0.003 0 0 <9,84 | <0.0046 12/24/01 LFO1782 W-12A 720 Air <7.0 <0.004 0 0 <8.75 | <0.0047 12/24/01 LF01783 W-12B 809 Air <7.0 <0.003 0 0 <9.84 | <0.0047 12/24/01 LFO1784 B-13 ns ns ns ns® ns | ng® ns® ns” 12/24/01 LF01785 B-14 507 Air <7.0 <0.005 0 0 <7.87 | <0.0060 42/24/01 | LFo1786 T-15 2638 Air <7.0 <0.001 0 0 <19.69 | <0.0029 12/24/01 | LFO1787®) T-16 2647 Air <7.0 <0.001 0 0 <19.69 | <0.0029 12/24/01 LF01788 0-17 Ns? Ns?) ns® ns?) Ns?) ns® ns? ns) 12/24/01 LFO1789 0-18 800 Air <7.0 <0.003 0 0 <9.84 | <0,0047 12/24/01 LFO1790 MPHS-20 839 Air <7.0 <0.003 0 0 <9.84 | <0.0045 12/24/01 LFO1791 Lot Blank 0 Air <7.0 n/a NA®) NA? NA? NA®) 12/24/01 LFO1792 Trip Blank 0 Air <7.0 na NA?) NA? NA?) NA®?) Key: volume (liters) is below recommended limit for the TEM method; volume is based on pump reading ** Structure (S) is roughly equivalent to fiber (f) ™ Ch eRe ly low sample volume collected NA“ - Not analyzed due to overloading of particulates NA ®- Not analyzed for TEM n/a - Not applicable NC - Sample not collected NS” - Sample not submitted due to no sample volume NS®)- Sample not submitted at this time due to no access to station location ) . Sample LF01786 (T-15) was collected 12/24/01 0940 to 12/26/01 0538 mple LF01787 (T-16) was collected 12/24/01 0943 to 12/26/01 0550 NIOSH 7400: Fiber Analysis of Air samples via NIOSH 7400, Revision 3, Issue 2, 8/15/94 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA) Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm’, volume 1200 L, for 25 mm filter (TEM) FK-12-24-01-am - NYC 9/11 Public Portal Document

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NYC-WTC_000130582Source: NYC Law Department, mirrored locally

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