NYC-WTC_000195424

NYC 9/11 Public Portal Document

1 208 Sloneliinge Lane EMSL Analytical, Inc. Carle Place, NY 11514 Phone: (516)997-7251 Pax: (516) 997-7528 Attn.: Commercial Lab Einterprise 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)

# STRUCTURES Analytical Volume Asbestos 0.5)1- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5p s 5p 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 <0.0045

148 1320.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

Michelle McGowan Analyst Approved Signatory Disclaimers This laboratory ir- not responsible for dato reported in stfueturas/cc, which is dependent on volume collected by non-laboralory personnel This laboratory is only respond idle for data reported in structures/mm’. This report may not be reproduced, except in full, without written approval by B;MSL I This report must not be used t- claim product endorsement by NVIAP or any agency of the U.S. Government This ie{»ort relates only to the samples reported above Quality conln I data (including 95% confidence fimils and laboratory and analysts' accuracy and prccivion) is avaibblu upon request 7

I £mrtiladfor NVI AP PlM.'n V #101040 10. NY Fl AP 11409. CAT IAP 7339, CT PH-0749 If.'

CITY_21MC100_010317864

NYC-WTC_000195430