NYC-WTC_000210313

NYC 9/11 Public Portal Document

. 208 Stonefiinge Lane EMSL Analytical^ Inc. Carle Place, NY 11514 Phone: (516) 997-7251 Fax: (516) 997-7528 EMSL. Attn.: Commercial Lab Enterprise Tuesday, October 23, 2001 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.

#STRUCTURES Analytical Volume Asbestos > 0.5g - Non- Area Analyzed Sensitivity Asbestos Concentration S,Tmple ID (liters) Type(s) < 5g > 5g Asbestos (mm^) (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 T Analyst Approved Signatory lihsclaimers'. This laboratory is nol responsible for data reported in structures/cc, which is dependent on volume collected by non-latoratory personnel I This laboratory is only responsible for data reported in structures/mni’ This report may not be reproduced, except in full, without written approval by EMSL, This report must not he used to claim product endorsement hy NVLAP or any agency of the U S Government. This report relates only to the samples 5 I ©ported above Quality control data (including 95% conf’derce limits and laboratory and analysts' accuracy and precision) is avai'abie upon request 4

brsdllPd foi NVl.AP PUM/TEM #101048-10, NY ELAP 11469, CA ELAP 2339, CT PH-0245

CITY_21MC100_002843209

NYC-WTC_000210316