NYC-WTC_000210322

NYC 9/11 Public Portal Document

208 Stone/iinge Lane EMSL Analytical, Inc. Carle Place, NY 11514 Pltone: (516) 997-7251 Fax: (516) 997-7528 EMSL Attn.: Commercial Lab Enterprise Wednesday, October 24, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: L10116191

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performeti by EPA 40 CFR Part 763 Final Rule (AHERA)

# STRUCTURES Analytical Volume Asbestos > 0.5g - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > 5g Asbestos (mm’) (S/ec) (S/cc) 155 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

C-5/ Michelle McGowan ---- Analyst Approved Signatory Disclaimers: Th'S laboratory is not responsible for data reported in structures/cc, which is dependent on votome collected by non-laPorato.'y personnel. 7 his laboratory is only responsible for data reported in structures/mm’. This report may not be reproduced, except in full, without wntten approval by EMSL This report must not be used tc claim product endorsement by NVLAP or any agency of the U.S. Government. This report relates only to the samples reported above Quality cor’trol data (including 99% confidence itmits and laboratory and analysts' accuracy and precision) is available upon request 9

-.redited for NVLAP PLM/IEM 046-10, NY ELAP 11469, GA ELAP 2339, Ci' PH-024y

CITY_21MC100_002843223

NYC-WTC_000210330