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← Document results/DEP Box 36/125 GREENWICH STREET Block: 51 Lot: 14 BIN: 1001034 18-22 Thomas Street, 129 Greenwich St
Document / 85 pages

Air quality test reports cover letter, Jan 2002

Machine-extracted title · confidence 90%

Cover letter enclosing air and bulk sampling results for 86 Trinity Place, 22 Thames, and 65 Broadway.

NYC-WTC_000105069–000105153

Folder label: “125 GREENWICH STREET Block: 51 Lot: 14 BIN: 1001034 18-22 Thomas Street, 129 Greenwich St

Page image
Scanned page image, NYC-WTC_000105094
OCR text

OCR status: ocr · source: ours

NYC-WTC_000105094 ENVIROSCIENCE _ CONSULTANTS, INC. |“ Tech Clean 2.150 SmirHrown AVENUE al RONKO NKOMA, NEW YorK 11779 PHONE: (63 1) 580-3191 The . FACSIMILE: (631) 580:3 195 AREA: 22 Thames, 7th Floor SAMPLER: B. Gallagher WWW. ENVIRQHEALTH.ORG NVI_AP #20053 1-0 * — TEM AIR SAMPLE RESULTS SAMPLE DATE: — September 20, 2001 {PROJECT NAME: AMEX RECEIVED DATE: September 21, 2001 CLIENT #: (*)-10233 CUSTODY #: B-04-03 ELAP #11661 TEM Al | Sample #[ Mandel office 17:12 | 20:35 | 203 7 1431 0.0 0.0034 _| <Sensitivity _—_..__._____ Sample Lucation 4 Stant_| End_| Run Time! Flow Rate| Volume } Fiker Conc. Sensitivity} Air Conc. minutes | Ave. Liters S/fmm2_ | Stec Sicc TEM Az2 | Kate Duffy office 17:15 | 20:50] 215 7.25 1959 25.25 0.0031 : 0.0062 TEM A3 | Room me eee eee rae ete Poe eee cops so meme Sp Nn 17:25 | 20:54 209 8.5 1777 0.0 0.0027 _TEM Ad [Room 70 17:25 | 21:00 | 215 95...| 203 | 1263 | 9.0024 . 0.0024 TEM A5 | Qutside room 703 wae f 2731 1 21:05 214 1S 1605 63.13 0.003 0.015 fo nn cee a se ee nes ee ewe meee oe inate: Deniers elated Relemeed eternal tetera ee Se On Gl ee eee - vo oa Sp eee eae oe J —e Samples were an y > wn —_ —_ S=Asbestos stroctures, ce=cuhic centimeters, mm=<millimeter Analyzed by: TADS Kot Date Analyzed: Foal <= less than, Flow Rate in liters per minute alyzed using Philips 400T Transmission Electsun Microscope. Asbestos identification is determined by the mozphology, visual Selected Area Electron Diffraction (SAED), and Elemental Apalysis using au Energy Dispeasive X-tay Analyzer (EDAX). Concentration oo the filter is calculated by taking the mamber of ashestos structures and dividing by the area analyzed. Air oonceatration is calculated by muttiplying the effective filter area (EFA) by the filter concentration and then Gividing by the volume of sir collected ia cubic centionters (cc). The dala pertaining The air filter c to these calculations can be found on the Asbestos Count Sheet. cacentration relates only to air fiber content. When sampkes are submnitied by an outside agency for analysis, Boviroscicace, can only guarantee the accuracy of the fiker concentration. This report may not be reproduced without the express permission of Enviroscience. This ceport can not be used to claim endorsement of products by NVLAP or any agency of the U.S, Government, The samples collected in the response action area demonstrated a filter concestration of asbestos less than seveaty structures per square rofllimeter. This response action is considered comp A result of zero stru lete according to EPA 40 CFR 763. CeeeS Het sduare millimeter is only applicable to the area analyzed. Test results only reflect conditions af the time Samples were maken. ¥ 93/78/2881 18:14 6316863195 PAGE 19 ENVIROSCIENCECNSL TAN NYC 9/11 Public Portal Document

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NYC-WTC_000105094Source: NYC Law Department, mirrored locally

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