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← Document results/DEP Box 02/112 TRINITY PLACE Block: 52 Lot: 30
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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_000095133
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OCR status: ocr · source: ours

NYC-WTC_000095133 ENVI CONSU RONKONKOMA, PHONE: 63 1) 5803191 IARBA: MALE. (63 1) 560-3195 * ENVIROHEALTH.ORG i Sample #: ELAP# 1168t NVLAP #20053 1-0 OSCIENCE TEM AIR SAMPLE RESULTS ana Tock {PROJECT NAME: AMEX 22 Thames TANTS, INC. Ambieat B. Gallagher . NEW YorRK 11779 Thizd Foor SAMPLER: ee . 00-1023 CUSTODY &: B-05-03 SAMPLE DATE: September 24, 2001 RECEIVED DATE: September 25, 2001 Co eee en a 4. muimutes | Avg. Simm? | _ Sloe Sample Location Start {| End } Run Teme: Flow Rat Rael Vou Filter Conc.| Sensitivity i TEM A18 | By elevator 16:38 | 19:20 165 7 1355 0.0 0.0042 4 So oe 5 ones TEM Al9 jSection TEM A20 | Section 7.05 8 a oe, oe 16:37: 20:40 243 | 9. 2187 9.0 0.0022 3,089 . 16:40| 244| 244 | 8 | 4952 0.0 0.0025 TEM A21 | Computer room dee eee 17:05 | 26:47 172 | B.S 1462 0.6 0.0033 TEM A22 | Spear 50 28:25 1 20:50) 145 10 1460 0.0 | 0.0034 6315883196 feo ee Analyzed by: Samples were analyzed Diffraction (SAED), and Concentration on the filter (BPA) by the filter concentration and then dividing by the volume of air collected in cubic centimeters (cc). the effective filter erea The data pertaining to The air filter accuracy of the filter ¢ The samples collect scion nansiered eunapls A result of aero structures per S=Ashestos "sroctures,co=cubic centimeters, mm-=rnillimeter <= Jess than, Flow Rate ia liters per minute Date Analyzed: 725707 using Philips 4001 Transmission Electron Microscope. Asbestos identification is detennined by the morphology, visual Selected Area Electron Elemental Analysis using an Energy Dispersive X-ray Analyzer G2DAX). is calcutated by taking the wumber of asbestos structures and dividing by the area analyzed. Air concentration is calculated by omitiplying these caiculatians can be found on the Asbestos Count Sheet. relates only to air fiber content, When semples are submitted by an outside agency for analysis, Enviroscience. can only guarsatec the roncentration. This report may not he reproduced without the express permission of Envirosciedce. ‘This report can not be used to clio NYVLAP of any agency of the U.S. Government. in the response action aren demonstrated a filer concentration of asbestos less than seventy stractures pex square millimeter. This response ¢ according to EPA 40 CFR 763. square millimeter is only applicable co the area anaiyzed. Test results nly reflect condilions at the tlnse samples were taken. 03/26/2881 18:14 ENV TROSCZENCECNSLTAN PAGE 15 NYC 9/11 Public Portal Document

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NYC-WTC_000095133Source: NYC Law Department, mirrored locally

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