Air monitoring inspection report for 310 Greenwich Street, Oct 2001

NYC 9/11 Public Portal Document . 298 Stonehinge Lane EMSL Analytical, INC. Carte Place, n¥ 11514 . Phone: (516) 997-7251 Fax: (516) 997-7528 Attn.: Commercial Lab Enterprise Wednesday, October 24, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: 110116191 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) # STRUCTURES Analytical Sample ID Volume Asbestos > 0.5p- Non- Area Analyzed Sensitivity Asbestos Concentration (liters) Type(s) <Sn 25 ~~ Asbestos (mm?) (S/ec) (S/mm?) (S/ce) 165 1240.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049 ‘ 156 1240.00 Chrysotile 1 0 0 0.0635 0.0049 15.75 0.0049 157 0.00 None Detected 0 0.0762 <13.12 158 0.00 None Detected 0 0.0762 <13.12 159 0.00 None Detected 0 0.0762 <13.12 63 1250.00 Overloaded 0 0.0635 0.0049 <15.75 <0.0049 Michelle McGowan CAL al _ Analyst Approved Signatory % Disclaimers: This laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. i This laboratory is only responsile for data reported in structures/mm?. This report may not be reproduced, except in full, without written approval by EMSL. g This report must not be used to claim product endorsement by NVLAP or any agency of the U.S. Government. This report relates only to the samples 9 4 reported above. Qualily contral data (including 95% confidence iimits and laboratory and analysts’ accuracy and precision) is available upon request. ~ f b -redited| for NVLAP PLM/TEM #101048-10, NY ELAP 11469, CA ELAP 2339, CT PH-0249 NYC-WTC_000109423