Cover letter enclosing air quality reports, Trinity Place, Jan 2002

NYC-WTC_000095094 ENVIR CONSULTANTS, ING, [== PROJECT NAME: ROSCIENCE SMITHTOWN AVENUE OMA, NEW YORK 11779 IONE? (63 1) SB80-3191 PSiMiLE: (6:3 1) 5B03195 ENVIROHEALTH.ORG ELAP % 11681 NVLAP #20053 1-0 TEM AIR SAMPLE RESULTS Tech Clean American Stock Exchange 86 Trinity Main Trading Finor 00-10233 SAMPLE DATE: September 19, 2001 Page 3 of 3 RECEIVED DATE: September 21, 2001 SAMPLER: _ L. SavaresefC. Gilbert CUSTODY #: B-04-06 i: Sample # Flow Ra Volume | Filter Conc. | Sensitivity | Air Conc. Sample Location Avg. [ Liters | Simm2 Shc foc | TEM 23 : 12th Floor, , Roum 12-[ raat Post 2741 TEM P25! Harry TEM P26! Harry ‘ost. 27, Location 18 __ {10:05 | 12:05 10 1200 | a0 9.0041 ‘216 | 25 io 1200 0.0 0.0041 12:05 {__ 2:20 id 1350 9.0 9,0035 Post 26, Location 30 i ‘TEM F27! Harry Pos Analyzed by Samples were analyz, Dilfraction (SAED), and Concentration on tte ane the effective filter ar The data pertaining © the The aic filter concenten accuracy of the filter endorsement of products The samples colfected action is c A ceault of zero structures : ost 25, North Column #25, Column 2) | 12:05 | 2220 10 | 1350 0.9 9.0035 Nae gmeeemeee 12:00; 2:18 7 OU: 10 1350 | | 9.0 0.0035 <Sensitivity | ‘USO | 25 10 1380 | 0.0 0.0035 vee ame comcast me ene tease feed ete nmmm ese Date Analyzed: S-Asbeatas stroctures,coxcubic centimeters, mm=tmillimeter <= less than, Flow Rate in liters per minute using Philips 400T Transmission Electron Microscope. Asbestos identification is determined by the morphology, visual Selected Area Electron nd Hleental Analysis using an Energy Dispersive X-ray Analyzer (EDAX). is calculated by taking the nymber of asbestos structures aad dividing by the area analyzed. Ait concentration is calculated by multiplying (EPA) by the filter concentration and then dividing by the volume of air collected to cubic centimeters (cc). by NVLAP or any agency of the U.S. Goverment. se calculations can be found on the: Asbestos Count Sheet. ion eclates only to air fiber content. When samples are submitted by an outside agency for analysis, Envirascience. can only guarantee the concentration. This report may not be reproduced without the express peemission of Enviroscieace. ‘his ceport can aot be used to claim in the response action aren dexnonstrated 2 filter concentration of ashestos less than seventy structures per square millimeter. This response complete according to EPA 40 CER 763. ; per square millimeter is only agplicable to the area analyzed. Test resalts only reflect conditions at the time samples were takea. 4 89/28/2081 1:14 6315883195 ENV TROSCIENCESH-SLTAN PAGE 11 NYC 9/11 Public Portal Document