Air quality test reports cover letter, Jan 2002

NYC-WTC_000105078 ENVIR CONSUL OSCIENCE TANTS, INC. TEM AIR SAMPLE RESULTS PROJECT NAME: Tech Clean American Stock Exchange SAMPLE DATE: RECEIVED DATE: September 19, 2001 Page 3 of 3 September 21, 2007 50 Smensrown AVENUE KOMA, NEW YORK 11779 NE? (63 1) S80-3191 SIMILE: (63 1) $603 195 WWW. ENVIROHEALTH.ORG ELAP # 11681 NVLAP #20053 1-0 ——o i Sample # I - AREA: CLIENT #: 00-10233 86 Trinity Main Trading Finor SAMPLER: CUSTODY #: L. SavaresefC. Gilbert 8-04-06 __ Sample ‘ecation.. Run Time | Flow Ratel_ Volume | Filter Conc. _Diinuies | Ave. Liters Simm? Sensitivity Sice r, Roum 12-{ ‘<Sensitivity 10:05 1 12:05! 120 10 1200 | 0.0 ‘TEM ea tae Post 27 #1 TEM F246 ' Harry P: 12:16 | 25) 135 | 10 1200 0.0 9.0041 0.0041 <Sensitivity ‘oS. 27, Location 18 12:05 |__2:20 135 io 1350 0.0 0.0035 <Sensitivity ast 26, Location 30 12:05 | 220! 135 10 | 1350 0.0 0.0035 «Sensitivity TEM F27! Harry on OO ade 12:00! 2:15 | 135 10 1350 00 <Sensitivity panne se atte Posi 35, Column 21 . od TEM F28i Harry ‘ost 25, North Column Analyzed b ‘i Samgles were Diffraction (SAED). Concentration on the effective filter are: The data pert The aic fier concentrat accuracy of ine filter ¢ roduc ts by NVLAP or any agency of the U.S. Goverment. endorsement The seams action i A ceault of zero ani { Date Analyzed: eee ees Oo anes cere e es meme i ee Be ce eeee i Sensitivity :s0 | 2:15 | 135 10 1350 | 0.0 <= less than, Flow Rate in liters per minute S=Asbestos stroctures,comcubic centimeters, mm=millimeter d using Philips 400T Transmission Electron Microscope. Asbestos identification is determined by the morphology, visual Selected Area Electron these calculations can be found on the Asbestos Count Sheet. nd Elemental Analysis using an Encrgy Dispersive X-ray Analyzer (EDAX). filter is calculated by taking the nymber of asbestos structures and dividing by the arca analyzed. Air concentcetion is calculated by multiplying a (EBA) by the filter concentration and then dividing by the volume of air collected in cubic centimeters (cc). ; ‘onceatration. This report may stot be reproduced without the express pecmission of Enviroscieace. This ceport can tot be used to claim tion eelates only to air fiber content. When samples are submitted by an outside agency for analysis, Enviroscience. can only guarantee the ia the response action arca demonstrated a filter concentration of asbestos Jess than seventy structures pec squace millimeter. This response ample according to EPA 40 CFR 763. a per square millimeter is only applicable to the area analyzed. Test results only reflect oonditions at the Lime samples were taken, 09/23/2261 18:14 6315833195 ENVIROSCIENCES: TAN PAGE il NYC 9/11 Public Portal Document