NYC-WTC_000205617

NYC 9/11 Public Portal Document

208 Stoiieliiiige Lane EMSL Analytical, Inc. Carle Place, NY 11514 Phoite: (516) 997-7251 Fax: (516) 997-7528 EMSL Attn.: Commercial Lab Enterprise Tuesday, October 30, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number; LI0116410

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

Project: BLDG #3 - 40 HARRISON ST NY, NY 25TH FLR - 01231

/)! STRUCTURES Analytical Volume Asbestos > 0.5|i - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g 5g Asbestos (min’) (S/cc) (S/iniiP) (S/cc) 335 1400.00 None Detected 0 0,0635 0.0043 <15.75 <0.0043

336 1400.00 None Detected 0 0.0635 0.0043 <15,75 <0.0043

337 1400.00 Chrysotile 3 0 0 0.0635 0.0043 47.24 0.0130

338 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

339 1450.00 None Detected 0 0.0635 0.0042 <15.75 <0.0042

340 1450.00 None Detected 0 0.0635 0.0042 <15,75 <0.0042

Michelle McGowan Analyst Approved Signatory Disclaimers Tins laboratory is not responsible for data rupoded in struotures/cc, v/hich is dependent on volume co'iected by non-faboratory persor/te: This laboratory is on’y respC'r)S!t?ie for data reported in structuic-s/mm-. This report rr-ay not be reprcduce-d. except tuli. Witnout written approval b/ EMSL This report niosi net re used to claim product endorsement by NVLAP o' any agency of the U.S. Gcveuimei't fr.:- teport relates only to toe sarup-e reported above Qud!".y cent' ol data (includ-ng confidence limit's rin-j lahordtory and analysts' :.cy Ht-.d ■ a'lable up:c rej.jr 4

ediluj tn: Nvi AP P: f-.-V i L'M #101046-10, NY ELAP Cl PH-CP

CITY_21MC100_003008247

NYC-WTC_000205618