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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_000095142
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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

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NYC-WTC_000095142Source: NYC Law Department, mirrored locally

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