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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_000095134
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OCR status: ocr · source: ours

NYC-WTC_000095134 ENVIR CONSU OSCIENCE LTANTS, INC. SantTHtown AVENUE RONKONKOMA, . New Yorn 11779 PHONE: 631} 5803191 ACSMILE: (631) 58603195 WWW.ENVIROHEALTH.ORG FLAP # 11681 NVLAP #2005310 Sample # TEM AIR SAMPLE RESULTS (CLIENT: |PROJECT NAME: Tech Clean AMEX 22 Thames 4th Fisor 60-10233 SAMPLEDATE: September 24,2001 RECEIVED DATE: September 25, 2001 Ambient SAMPLER: B. Gallagher CUSTODY #: B-05-04 __ Sample Location Run Time | Flow _{ minutes | Avg, Sfmm2 Sicc Volume | Filter Conc. } Semsitivity | Air Conc. Sic TEM Ai2!Room 40 15:54 j 21:10 0.0018 <Sensitivity | TEM Al3 [Room J 16-08 1 21:05 316 8.5 2686_ |: 0.0 0.0019 <Scositivity ‘TEM Al4/Room 414, baliway 16-00 | 21:07 | 305 8.5 2592 9.0 0.0016 <Seasitivity | TEM AIL5| Room 430 21:14 | 12.63 0.0018 <Sensitivity lenaetee e permne eon rond TEM Al6)]Room 425 TEM Al? | Outside fire 16:05 | 21:05 46:10 | 24:07 wm 10 3070 0.9018 <Seasitivity 3H 85 2643 08 8.5 252A 0.0 0.0019 308 9 |. 2700 00 297 Sensitivity Analyzed by: Samples were analyzed using Diffraction (SAED) Conceutration on the effective filtec aren The data pertaining to The aie fitter accuracy of the fe cadorsement Of products by The samples collected A result of zero stroctures L Philips 4001 Transndssion Blectron Microscope. Ashestos identification is determined by the morphology, visual Selected Arca Electun ), and Elemental Analysis using an Energy Dispersive X-ray Analyzer (EDAX). the filter ic calculated by taking the nqmber of asbestos structures and dividing by the area analyzed. Air concentration is calculated by multiplying (EFA) by the filter concentration aud then dividing by the volume of air collected in cubic centimeters (cc). these caiculations can be found on the Asbestos Count Sheet. relates only to air fiber content. When samples are submitted by am outside agency for analysis, Enviroscieace. can only guatantee the <= less than, Flow Rate in liters pec minute er concentration. ‘This repast may not be reproduced without the express permission of Envicascience. This report cas not be used to claim NVLAP os any agency of the U.S. Govemuvent. to tie response action area dersonstrated a filter concentration of asbestos less than seventy structures pex square millimeter. This response action is considered complete according to EPA 40 CPR 763. per square millimeter is only applicable to the area analyzed. Test results only reflect conditions at the time samples were taken. 89/28/2081 18:14 5315803195 EXWIROSCIENCECNSL TAN PAGE 16 NYC 9/11 Public Portal Document

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NYC-WTC_000095134Source: NYC Law Department, mirrored locally

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