Chain of custody form, Trinity Place samples, Oct 2001

NYC-WTC_0000951 41 ENVIROSCIENCE TEM AIR SAMPLE RESULTS CONSULTANTS, INC, [(2ENT Text Ciean SAMPLH DATE September 21,3001 2150 Sumarown AvenuE PROJECT NAME: 65 Broadway RECEIVED DATE: September 21, 2001 RONKONKOMA, NEW YorkK 11779 Ambicat FAcSMaLe: (631) 8803195 AREA: 1th Floor SAMPLER: B. Gallagher WWW.ENVIROHEALTH.ORG ELAP # 11681 NVLAP #2005310 CEIENT #: 00-10233 CUSTODY #. B-04-05 7 Sample # Sample Location Start | Eod_| Run Time Blow Rate] Volume | Fiker Conc. | Sensitivity} Air Conc._| minutes | Avg. | Liters S/mm2 Sic __ fee NYC 9/11 Public Portal Document 69/28/2081 18:14 6315893198 TEM A} |Bast end: - 12:15 | 02:55 | 160 1.5 1200 0.0 0.0041 | Sensitivity | | TEM Az | Center cubicule area ; vas 12:16 | 02:54 154 9 1386 | 0.0 | - 0.0035 | Sensitivity | TEM A3 | Kitchenette ; 12:15 | 02:59 | 164 8.5 1394 0.0 | 0.0035 | <Sensitivity | TEM A4 | Security desk 12:10] 02:58| 168 | 9 | 4512 0.0 0,0032_| <Sensitivity TEM AS | West end reception __ 12:05 | 02:58{ 173 | $5 | t47 | 90 0.0033 _| <Sensitivity | ne On S=Ashestos stroctures,coscubic centimeters, mun=millimeter Analyzed by: Date Analyzed: <= less than, Flow Rate in liters per mimste Samples were analyzed using Philips 400T Transmission Electron Microsoupe. Asbestos identification is determined by the morphology, visual Selected Area Blectron Diffraction (SAED), and Elemental Asalysis using an Encegy Dispersive X-ray Analyzer (EDAX). Concentration on the filter is calculated by taking the manber of asbestos stractaces and dividing by the area analyzed, Air comcontation is calculated by nvultiplying the effective filter area (EFA) by the filter concentration and then dividing by the volatoe of air collected in cubic centimeters (cc). ‘The data pertaining to these calculations can be found on the Asbestos Count Sheet. ‘The sir filter concentration relates only to air fiber content. When samples are submitted by an outside agency for avalysis, Enviroscleace. can culy guarantee the accuracy of the filter concentration. This repoct may not be reproduced without the express permission of Emvicoscieuce. This report cap not be used to claim endossement of products by NVLAP or any agency of the U.S. Government. . ‘The samples collected in the response action area demonstrated a filler comcentration of asbestos less than seventy structures per square millimeter. This response action is considered complete acoording 10 EPA 40 CER 763. A result of zeco struchues per square miliimeter is only applicable to the area analyzed. Test results onty reflect conditions al the time samples were taken. ENVIRCSCIENCECNSLTAN PAGE 23