NYC-WTC_000210313

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 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 > O.Sp- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5p > 5g Asbestos (mm^) (S/cc) (S/mm’) (S/cc) 83 1200.00 None Detected 0 0^0635 0,0051 <15.75 <0.0051

84 1540.00 None Detected 0 0.0635 0.0039 <15.75 <0.0039

85 1540.00 None Detected 0 0.0635 0.0039 <15.75 <0.0039

86 1540.00 None Detected 0 0.0635 0.0039 <15.75 <0.0039

87 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

88 0.00 Not Submitted 0 0.0000

Daniel Clarke Analyst Approved Signatory Disclairrers: This laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by ncn-labcratory personnel. This laboratory is only responsible for data reported in struclures/mm’. This report may no! be reproduced, exceot in full, witnout written approval by EMSL. I his report must not be used Io claim product endorsement by NVLAP or any agency ot the U.S. Government. This reoort relates only to the samples 6 I repotted above Quality control data (including 95% confidence limits and laboratory and analysts' accuracy and precis'on) is available upon re«guest

for NVLAP PLM/TEf^ #1O1G4B..1C. NY t-'t AP 11483, CA Fl.AP 2333. CT PH-0z4P

CITY_21MC100_002843211

NYC-WTC_000210318