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← Document results/DEP Box 02/112 TRINITY PLACE Block: 52 Lot: 30
Document / 25 pages

Chain of custody form, Trinity Place samples, Oct 2001

Machine-extracted title · confidence 95%

Chain of custody document for air and bulk sampling results at the Exchange site dated October 2001.

NYC-WTC_000095120–000095144

Folder label: “112 TRINITY PLACE Block: 52 Lot: 30

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Scanned page image, NYC-WTC_000095137
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NYC-WTC_000095137 ENVIROSCIENCE ___TEM AIR SAMPLE RESULTS CONSULTANTS, INC. [2 Tech Clean SAMPLE DATE: Septomibe 2, 201 2.150 Smurrrown AVENUE PROJECT NAME: AMEX RECEIVED DATE: September 21, 2001 RONKONKOMA, New Yor« 11779 PHONE: (63 1) 580-3191 A. FACSIMILE: (631) 5803195 AREA: 22 Thames, 7th Floor SAMPLER: B. Gallagher WWW. ENVIROHEALTH.ORG ELAP # 11661 NVLAP #20053 1-0 ‘ad #: )-10233 CUSTODY #: 8-04-03 | Sample # Sample Location Stact_| End | Run Time| Flow Rate Volume { Fiker Conc.| Seusitivity| Air Conc. a _ minutes | Avg. Liters Simm2_ | She Sécc | TEM Al | Mundel office 17:12 | 20:35 | 203 | 7 tan | 90 0.0034 _| <Sensitivity TEM Az | Kate Duffy office ee ee W735 | 20:50] 215 © 7.25 1859 35.25 | 0.0031 0.0062 10 Ge seamen enact + Bs tenet Sa enced TEM A3 [Room 710 _ 17:25 | 20:54| 209 85 | 19 0.0 0.0027 _| <Sensitivicy’ _TEM A4 [Room 705 ; 17:25 | 21:00] 215 | 95 | 2043 | 1263 | 00 | goo - wee SE ne oh SE re | TEM A5 | Outside room 703 wf 2 73E TF 21:05 214 1S 1605 63.13 0.003 O.O1S | on on Sy . on Fe meets temelereee cements © weredbrwee ” S-Asbestos stroctures,co=cubic centimeters, oam=millimeter Analyzed by: HAAS HO Date Analyzed: Pea <= less than, Flow Rate in ters per minute Samptos were analyzed using Philips 400T Transmission Electwun Microscope. Asbestos identification is determined by the morphology, visual Sclectod Area Electron Diffraction (SAED), and Hlemestal Apalysis using an Energy Dispersive X-ray Avalyzet (EDAX). Coxcentration on the filter is calculated by taking the manber of achestos structures and dividing by the area analyzed, Air conceatration is calculated by amttiplying De effective fiher area (EFA) by tic fllter concentration and then dividing by the volumo of air collected in cubic coatimeters (ct). The data pertaining to these calculations can be found on the Asbestos Count Sheet. The air filter concentration relates only to atr fther content. ‘Wheat samples sre sobmitted by an outside agency for analysis, Eavirosclence. can only guarantee the sccuracy of the filter concentration. This report may not be reproduced without the express pennission of Eavicuscience. This ceport can. not be used to claim cadorsement of products by NVLAP or any agency of the US. Governraeat. The samples collected in the response action tres demonstrated a filter concentration of asbestns less than sevesty structures per square yalllimeter, ‘This response action is considered complete according to EPA 40 CER 763. A result of zevo stuctstes pec square millimeter is only applicable to the area analyzed. ‘Test results only reflect conditions at the tue samples were taken. NYC 9/11 Public Portal Document O9/2E/2801 18:14 5318863195 ENV TROSCIENCECNSLTAN PAGE 19

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NYC-WTC_000095137Source: NYC Law Department, mirrored locally

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