NYC-WTC_000195415

NYC 9/11 Public Portal Document

I . 208 Stonehinge Lane EMSL Analytical, Inc, Carle Place, NY ] 15}4 Phone: (516) 997-7251 Fax: (516) 997’-7528 feMSlI Attn.: Commercial Lab Einterprise 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 A.sbestos sO.Sg- Non- Area Analyzed Sensitivity Asbestos Concentration Sample ID (liters) Type(s) <5(1 i 5g Asbestos (mm’) (S/cc) (S/nim’) (S/cc) 77 1220.00 Chrysotile 1 0 0.0635 0.0050 "l5.75 0.0050

78 2400.00 None Detected 0 0.0635 0.0025 <15.75 <0.0025

79 1300.00 None Detected 0 0.0635 0.0047 <15.75 <0.0047

80 1310.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

81 1320.00 None Detected 0 0.0635 0.0046 <15.75 <0.0046

82 1200.00 None Detected 0 0.0635 0.0051 <15.75 <0.0051

Daniel Clarke ■f;- Analyst Approved Signatory Disclaimers; This laboratory is not responsible for data reported in slruclures/cc, which is dependent on volume colkcted by non-taboratory personnf.l This laboialory is only responsible for data reported in sUuctuies/mni*. This rcpoh may not be rep'^odur-oJ, nxrupl in full, without written approval by I MSL This report must not be used to claim product endorsement by NVLAP Of ony agency of tha U S. Governmrmt Th n rfiport relates only to the stimplui. reported above. Quality coritroi data (including 95% confidence limits and laboratory and analysts' acciirnry and precision) is available upon requeul 5

^1 edited for NVLAP PIM/FFM #101048-10. NY t.LAP 11469, CA ELAP 2339, CT PH-0749

CITY_21MC100_010317853

NYC-WTC_000195419