Air monitoring inspection report for 310 Greenwich Street, Oct 2001

NYC 9/11 Public Portal Document 208 Stonehinge Lane EMSL Analytical, Ine. Carle Place, NY 11514 Phone: (516) 997-7251 Fax: (516) 997-7528 Attn.: Commercial Lab Enterprise Tuesday, October 23, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: 110116152 Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Project: BUILDING # 9 310 GRENNWICH STREET NYC, NY/30TH FLOOR FILE NO. 01231. # STRUCTURES Analytical Sample ID Volume Asbestos > 0.5. - Non- Area Analyzed Sensitivity Asbestos Concentration amp (liters) Type(s) <Su 25p Asbestos (mm?) (S/ee) (S/mm?) (S/cc) 77 1220.00 Chrysotile 1 0 0.0635 0.0050 15.75 0.0050 I ' | 78 2400.00 None Detected “0 0.0635 0.0025 <15.75 <0.0025 79 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047 | i 1310.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046 81 1320.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046 82 1200.00 None Detected 0 0.0635 0.0051 <15.75 <0.0051 . —_ oe ~ Daniel Clarke a eee Analyst “oo Approved Signatory Disclaimers: This laboratory is not responsible for data reported in structuresicc, which ts dependent on volume collected by non-taboralory personnel. } This laboratory is on!y responsible tor data reported in siructures/mm?, This report may not be reproduced, except in full, without written approval by EMSL ‘ This report must not be used lo ciain product endorsement by NVLAP or any agency of the U.S. Government. This report relates only to the samples 5 q reported above. Qualty control data (inciuding 95% confidence limits and laboratory and analysts’ accuracy and precision) is available upon request -Breditad for NVLAP PLMTEM #791048-10, NY ELAP 11469, CA ELAP 2239, CT PH Oz49 NYC-WTC_000109410