NYC-WTC_000210304

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 Saturday, October 20, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: LI0116102

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

Project: 310 GREENWICH ST. NY/NY

#STRUCTURES Analytical Volume Asbestos > 0.5g - Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) < 5g > 5g Asbestos (mm^) (S/cc) (S/mmO (S/cc) 7 1290.00 None Detected 0 0.0635 0.0047 <15.75 <0^0047

8 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

9 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

10 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

11 1320.00 None Detected 1 0.0635 0.0046 <1575 <0.0046

12 1330.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

Michelle McGowan Analyst Approved Signatory Disclaimers: This laboratory is not respo isible for d?ta reported in structures/cc, which is deperideni on volume coilectec by non-laboratory personnel. This laboratory is only responsible for data reported in structures/mm*. This report may not be leproducRd. except iri full, without written approval by EMSL. Ttiis reporl must not be used to claim product endorsement by Ny'LAP or any agency of the U.S Government. This report rela:es onlv to the samples reported above Quality ronirol data (including 95% contidence limits and laboratory and analysts' accuracy and precision) is available upon request. 2

pdilec for NVLAP PLM/TEM «?1010^8-10. NY ElAP 11463, CA ELAP 2339, C l HH-U249

CITY_21MC1OO_OO2843198

NYC-WTC_000210305