NYC-WTC_000210322

NYC 9/11 Public Portal Document

208 Stonehinge Lane EMSL Analytical^ Inc, Carle Place, NY 11514 Phone: (516) 997-7251 Fax: (516) 997-7528 EMSL Attn.: Commercial Lab Enterprise Wednesday, October 24, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: LI0116191

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

it S I RLCTURES Analytical

Sample ID Volume Asbestos >0.Sg- Non- Area Analyzed Sensitivity Asbestos Concentration (liters) Type(s) < 5p > 5g Asbestos (mm^) (S/cc) (S/mm’) (S/cc) 143 1350.00 None Detected 1 0.0635 0.0045 <15,75 <0.0045

144 1350.00 Chrysotile 1 0 1 0.0635 0.0045 15.75 0.0045

145 1350.00 None Detected 0 0.0635 0.0045 <15.75 <0.0045

146 1350.00 None Detected 2 0.0635 0.0045 <15.75 <0.0045

147 1320.00 None Detected 2 0.0635 0.0046 <15.75 <0.0046

148 1320.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

Michelle McGowan t Analyst Approved Signatory Disclaimers: This laboratory is not responsible for data reported in structures/cc, which is dependent on volume coflecied by non-labcratoty personnel. This laboralcry is only lesponsible for data reported in structures/mm’. This report may not be reproducec, except in full, without written approval by EMSL. This report must not be used to claim product endor.sement by NVLAP or any agency cf trie U.S Government This reoort relates only to the Srsitiples reported above. Quaiity control data (including 95% confidence limits and taboratcry and analysts' accu'’acy and precision) is aval able upon reouest. 7

credited ter NVLAP PIM./TEM #101048-19, NY fj AP 11469, CAELzXP 2339, C'' pH.-e?49

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CITY_21MC1OO_OO2843221

NYC-WTC_000210328