Air quality test reports cover letter, Jan 2002

NYC-WTC_000105121 ENV CONSULT RONKONKOMA OSCIENCE SMITHTOWN AVENUE . . NEW YoRK 11779 86 Trinity 631) 580-3191 AREA: ©: (G31) 5663195 . NVIRQHEALTH.ORG AP @ 11681 P #20053 1-0 ~ - —_ TEM AIR SAMPLE RESULTS SAMPLE DATE: September 19, 2001 Page 3 of 3 RECEIVED DATE: September 21, 2001 PROJECT NAME: American Stock Exchange Main Trading Fleor SAMPLER: L. SavaresesC. Gilbert CLIENT #: 00-0233 CUSTODY #: B-04-06 ra ere ee wa ee neg a teen eee Sample Location _.._..... £, Start | End | Run Time j Flow Ratel Volume | Filter Conc. | Sensitivity | Air Canc. _minates | Avg. Liters S/mm?2 Sicc Sicc i TEM F23 12th Floor, Roum 12-1 | 10:05 | 12:05! 120 10 1200 0.0 0.0041 | ‘<Sensitivity 1 TEM F24 ‘Harry, F | TEM F2S | Hany Pr TEM P26 Harry Past Post 2741 12:14) 245} 135 10 1200 0.0 0.0041. | <Sensitivity ost. 27, Location 18 12:05 | 2:20 | _ 135 10 1350 00 0.0035 | <Sensitivity 26, Location 30 : 12:08 i 2:20 (35 10 1350 0.0 @.0035__ | <Sensitivity aa ? 25, Colunn 21 1 42:00} 2:15 ; 135 10 1350 0.0 0.0035__| <Sensitivity ote ee te eee dane ee Si MN es us t 25, North Column 180 | 2:15 135 10 1350 0.0 0.0035 | <Sensitivity “TEM F28 i Harry Post eee — aro oo Paaiaintha taney : poeee Sere veer Sates ene een ae eases meee Sm coemeem eeerefternnnneenrnn Be ate scene ve ee ee wa ete coats ee et cee eee ee ee ee ee be ee pene we ee ef oe ee tg er meme Analyzed by: Samples were analyz arr Diffraction (SAED Concentration on the effective filter ar The data pertaining i these The air fiker concentmtion accuracy of the filter endorsement of products The samples colfected in action is considered complete A ceautlt of zero structure - S—Asbestos stractures,ccxcubic centimeters, mmemnillimeter_ Date Analyzed: <= less than, Flow Rate in liters per minute sing Philips 400T Transmission Electron Microscope. Asbestus identification is determined by the morphology, visual Selected Area Electron Elemental Analysis using an Exergy Dispersive X-ray Analyzer (EDAX). ter is calculated by taking the nymber of asbestos structures and dividing by the arca analyzed, Arc concentration is calculated by multiplying (EPA) by the filter concentration and dren dividing by the volume of air collected in cubic centimeters (cc). calculations can be found on the Asbestos Count Sheet. ration aes only to air fiber content. When samples are submitted by an outside agency for analysis, Envirascience. can only guarantee the centration. This report may not be ceproduced without the express peemission of Enviroscience. This ceport can not be used to claim cts by NVLAP or any agency of the U.S. Government. “he Tesponse action aren demonstrated a filter concentration of asbestos less than seventy structures per square millimeter. This response according to EPA 40 CFR 763. § per square Taillimeter is only applicable t the area analyzed. Test resalts only reflect conditions at the lime samples were taken, 4 89/28/2881 1@:4¢ 631589219 5 EN ROSCIENCES-SUTAN PAGE 13 NYC 9/11 Public Portal Document