NYC-WTC_000210350

NYC 9/11 Public Portal Document

T~T 71 r r • i r Sfoiieltiiige Lane JbJidSjL AnalytlCUlf inC, CarlePlace,NY J1514 Phone: (5J6) 997-725] Fax: (5J6) 997-7528

Attn,: Commercial Lab Enterprise Tuesday, October 23, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number; L10116152

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 S O.Sp- Noii- Area Analyzed Sensitis'ity Asbestos Concciitr.Ttion S.nniplc ID (liters) Type(s) <5(1 s Sg Asbestos (in Ill’) (S/cc) (S/nini’) . (SAc) 50 1240.00 Chrysotile 1 0 0.0635 0.0049 15.75 0.0049

54 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

1260.00 None Detected 0 0.0635 0.0048 <15.75 <0.0043

i 56 1270.00 None Detected 0 0.0635 0.0048 <15.75 <00048

57 1250.00 None Detected 0 0.0635 0.0049 <15.75 <0.0049

58 1260.00 None Detected 0 0.0635 0.0048 <15.75 <0.0048

Daniel Clarke I

Analyst Approved Signatory Disdaiinera. I bis laboratory is not responsible for dale rftoorted in slruclures/cc. which is d-spinduo' on volume collected by non-laborc-’ory peiscnnt!. Tnis Ifiboralory is only responsible tor data reported in skuctufes/nim’. This reporj may no; he reproolue*-'; e.<cep! in full, without written appr-oss-! by Lt, Tl .is report no', be used to Ctsim product ^jidnrsement by NVLAP or any agency c! Uie U S GoverntnenS. This report relates or iy lo die Sonip'r repofterJ t’bcvo. Oua’.ly control dala (including 95% ccnfirlunco limits and laboratory and anatysta ,y and precision; is av5ti< ’••5 Upon recu-15

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CITY_21MC1OO_OO2843288

NYC-WTC_000210350