NYC-WTC_0000951 42
ENVIROSCIENCE —s_- :
CONSULTANTS, INC, [C=* Tech Clean
2150 SMimHrOwn AVENUE jPROJECT NAME: 65 Broadway
RONKONKOMA,
PHONE: (631) 5803191 . .
FACSIMILE: (631) 5BO3195 AREA: 16th Floor SAMPLER: B. Gallagher
WWYW.ENVIROHEALTH.ORG A
NVLAP #2005310 — ee cee
TEM AIR SAMPLE RESULTS
SAMPLE DATE: Sepeember 21. 2001
RECEIVED DATE: September 21, 2001
NEw York 11779
CLIENT #: QO-10233 CUSTODY &: 8-04-02
ELAP 2 11631
Sample #
03/28/2081 18314
UNIS | SEMEL ONE. |
Sasuple Location Stat_| End; Run Time Flow Rate! Volume Filter Cone. | Sensitivity | Ai
TEM.AS | Fast ead offices
Ais Conc.
va eee miautes | Ave. | Liters | Sfoum2 Slee Ske
00:40 | 03:05 | 445 10 1450 0.0 0.0034_| <Sensitivity
|_TEM-A8 | Cubicoles
eee I roa os Sore
_— | 00:40 4 93:10) 150. | Ot 1380 | 0 t 0.0036 | esensiti easitivity
- g...
_TEM-AS | West end by elctrical closet een cosets we nena 00:55 | 03:14} 139 9 1251 0.0 | 0.0039 _| <Sensitivity
9
TEM-A10} West
00:45 | 03.16{ ISL 1208 6.0 O.0UA__| <Sensitivity |
std teceptical a . 4-00-30 | 03:18 | 148 13324. 0.0 | 0.0036 | <Sensitivity |
anna ems 6 cere tree nai
eee eee sere sewers + eewemfbemae oe
Concentration on
~ S=Asbestos stuuctmres.co=cubic centimeters, maa=auillimeter
Analyzed by: Lele A LISLE. Dele Analyzed: FZ2-O7 <x less than, Flow Rate ta titers pec minute
Sampics were analyzed using
Diffraction (SAED),
the filter is calculated by teking the number of asbestos structures and dividing by the area analyzed. Az ovacentration is calculated by nvultiplying
Philips 400T ‘Transmission Electvon Microscope, Asbestos identification is determined by the morphology, visual Selected Area Electron
and Elemeutal Analysis using an Energy Dispersive X-ray Analyzes (BDAX),
the effective filter area (EFA) by the filter comcentradon and then dividing by the volume of air opllected ta cubic centioseters (cc).
The data pertaining to these calculations can be foand on the Asbestos Count Sheet.
The air fiker concentration
acceracy of the filer
endorsement of products
The sansptes collected
action is considered
A sesalt of zero
This report may not be reproduced without the express permission of Enviroscicace, This report can aot be used to claim
by NVLAP ox any agency of the U.S. Goverament.
in the response action acca demonstrated 4 Milter coucenttation of ashestns less than seventy strecturee per square thillsmcter. This response
complete according to EPA 40 CFR 763.
structures pet square millimeter is only applicable to the arca analyzed. Test results only reflect conditions st the time samples were taken,
§31€883195
ENV TROSCIENCECNSLTAN
PASE 24
NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000095142Source: 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.