NYC-WTC_000195415

NYC 9/11 Public Portal Document

J » r 208f!toneliingeLane EMSL Anulyticalf Inc, CarlePlace,NY USN P/ione; (5J6) 997-72S1 Lax; (516) 997-7528 feivisQ Attn.; Commercial Lab Enterprise Tuesday, October 23, 2001 jSi 270 Swinton Avenue Bronx, NY 10465 Ref Number: LI0116152

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.

it STRUCTURES Analytical Volume Asbestos 0.5(1- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g s 5g Asbestos (mni*) (S/cc) (S/mm’) (S/cc) 71 1400.00 None Detected 0 0.0635 0.0043 <15.75 <0.0043

72 1410.00 None Detected 0 0.0635 0.0043 <15.75 <0.0043

73 1400.00 None Detected 0 0.0635 0.0043 <15.75 <0.0043

74 1230.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

75 1230.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

76 1240.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

Daniel Clarke Analyst Approved Signatory Disclaimers This laboratory s not responsible for data reported in structures/cc, which is dependent on volume cotkeb d by nwi-I.ibni.Ttyry personnel This laboratory is only respo' sibte for data reported in structures/mm*. This report may not be reproduced, except in full, without written approval by EMSL This report must not be used to claim product endorsement by NVLAf’ or any uyency of the U S Governmont This rep-rt relates only to tho samples reported above. Quality cons ol data (includmp 95% confidence limits and laboratory and analysts' accuracy and pfer4s.ju:i) is avaitebie upon request. 4

iradilsd tor NVLAP PLMri W #1010-18-irj NY ELAP 11469. CA ELAP CT PH-0249

CITY_21MC100_010317852

NYC-WTC_000195418