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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_000095131
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OCR status: ocr · source: ours

NYC-WTC_000095131 ENVIRO CONSULT. SMITHTOWN AVENUE RONKONKOMA, PRONE: (63 1) 580-3193 SIME: (63 1) 586-3195 ENVIROHEALTH.ORG ELAP # 11681 NVLAP #2005316 SCIENCE TEM AIR SAMPLE RESULTS ‘ANTS, INC, ©" PROJECT NAME: New Yori 11779 AREA: CLIENT #4: Tech Clean 08-10233 Ametican Stock Exchange 86 Tcinity Main Trading Floor SAMPLE DATE: September 19, 2001 RECEIVED DATE: September 21, 2001 SAMPLER: CUSTODY #: Page 1 of 3 L. Savarese/C. Gilbext B-04-06 i ; Sample # Sample Location Stast End | Run Time Flow Rate Volume Filter Conc. Sensitivity Aix Conc. minutes Avg. Liters ne Seen TEM Fi it TEM F3 | Main Trade Floor Post-5 #10 6:20 8:20 110 10 1200 ere 0.9041 Sensitivity __.. 4 6:30 8:30 | 120 10 1200 0.0041 <Sensitivity! . Floor Post 8, Section 1 6:35 8:40 | 125 10 12850 0.0039 TEM F5 FEM 4 | Main Main Trade Floor, Upper Level, Section E, Monitor 16 _ TEM F6 | Red Room Floor Post 9, Section E 6:25 §:42 137 10 1370 9.0035 Post 21, MF 39 7:00 9:00 120 855). 145. 10 10 1450 0.0034 1200 0.0041 Sensitivity | TEM F7 | Red Room Post 22, Section A. _TEM F8 {Red Room Post 22, MF 15 6:45 7:00 915 135 10 1350 0.0041 <Sensitivity 0.0035 <Sensitivity TEM P9 | 15th Floor : TEM F101 15th 9:20 11:20 120 19 1200 0.0041 <Sensitivity 9:35 1130| 115 10 5250 0.0039 <Sensitivicy | esac Fit! 15th 40 | 11:40 | 120 19 <= 3200 9.0 0.0041 Analyzed by: Samples were analyzed us Diffraction (SAED), and Concentration on the filter The data pertaining co these The ais filter concentration accuracy of the fitter eadossement of products The samples collected action is considered ee ee Sc ON _Dute Analyzed: $2 a calculations can be found on the Asbesios Count Sheet. SxAsbestos structures,ccecubic centimeters, mm=smillimeter <= lets than, Flow Rate in liters per miuzte ing, Philips 400T Transmission Electron Microscope. Asbestos identification is determined by the morphology, visual Selected Arce Electron Elemmal Aaalysaorng on Energy Dispense e X-ray Anslyzer (EDAX). is calculated by taking the namber of asbestos structures and dividing by the area analyzed. Air concentration is calculated by nnuliiplying the effective filter area (EEA) by the filter concentration and then dividing by the volume of air collected ia cubic centimeters (cc). relates only to air fiber content. When samples are submitted by an cutside agency for analysis, Enviroscience. can only guarantee the ter concentration. This report may not be reproduced without the express permission of Enviroscicnos. This report can not be ased to claim by NVLAP or any agency of the U.S. Government. the response action area demonstrated a filter concentration of asbestos less than seventy structures per square millimeter. This cespoase complete according to EPA 40 CFR 763, square millimeter is only applicebie to the area analyzed. Test results only reflect conditions at the time samples were taken. 03/28/2821 18:14 H3158232195 ENY TROSCIENCECNSL. TAN PAGE 13 NYC 9/11 Public Portal Document

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NYC-WTC_000095131Source: NYC Law Department, mirrored locally

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