NYC-WTC_000095132
ENV
CONSUL
SO SMITHTOWN AVENUE
RONKONKOMA,
ROSCIENCE - TEM AIR SAMPLE RESULTS
TANTS, INC (CLIENT: ————SCToch Clean SAMPLE DATE: — Septamber 24, 2001
PROJECT NAME: AMEX 22 Thames RECEIVED DATE: September 25, 2001
NEw YORK 11779 Ambient
PHONE: (63 1) 560-3191 ARRBA: Ficst Flour Cafeteria SAMPLER: B. Gallagher .
ACEIMILE: (631) 560-3195
ELAP # 11681
lcuenr # 00-10233 CUSTODY # —«B-0 5-02
Sample ¢
Sample Location Stat | End | Ren Time; Flow Ratel Volume | Filter Conc.| Sensitivity! Air Conc.
Coen - i minutes | Avg. Liters | S/mm2 Sicc Sicc
secre eee eee!
TEM A3 |S
TEM Al | Lower
|_ TEM A2 j By cash register _. 14:45 | 17:55} 390 BS) 3615 | 0.0 0.003 _} <Sensitivity |
TEM AS | Upper
Seating arca . a 14:50 { 17:40 170 | 9 1530 12.6 0.0032 0.0032
14:55 i 17:45 170 8.5 1445 0.0 | 0.0034 | <Sensitivity |
3500 i 1755 175 8 _ 1400 37.9 9.0035 0.0019
Seating area ee 15:02 | 17:58 180 J 1620 6.0 0.003; <Sensitivity |
ance een ee ma
Analyzed by:
Samples were anal
Diffraction (SAED),
Concentration on the filter
the effective filter arca
The date pertaiving to these
The air filter
accuracy of the filter
codcrscment af prom by
The samples collected
: action is considered conrplet
A result of zero structures
<= less than, Fio w Re te in Rte: ora pee mate
zed using Philips 400T Transmission Electron in Microscope. Ashestos identification is detersined by the morpholo; BY. Visual Selected Area Electron
and Blemental Analysis using an Energy Dispersive X-ray Analyzer (EDAX).
is calculated by taking the number of asbestos structures and dividing by the area analyzed. Air concentration is calculated by neultiplying
(EFA) by the filter concentration and then dividing by the volame of air collected in cabic contimeters (cc).
catcnfations can he found on the Asbestos Count Sheet.
relates only to ait fiber coritent. When samples are sobmitted by an outside agcucy for analysis, Eniviruscicnce. can only guarantee the
concentration. This report may not be reproduced without the express permission of Enviroscience. This repart can not be used to claim
NVLAP or any agency of the U.S. Government.
in the response action arca demonstrated « filter concentration o: of asbestos less than seventy structures per square millimeter. This response
le accarding to EPA 40 CFR 763.
per square millimeter is only applicable to the area analyzed. Test results only reflect conditions at the time samples were takeu.
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PAGE 14
NYC 9/11 Public Portal Document
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NYC-WTC_000095132Source: NYC Law Department, mirrored locally
57-page lab report documenting World Trade Center environmental test results distributed to multiple federal, state, and local agencies including CDC and EPA.