Laboratory report for 310 Greenwich Street, May 2002

NYC 9/11 Public Portal Document

Stoncltinge Lane r E-f MSL Analytical, ,,iInc. Cttrle Place, NY 11514 •` _'

✓ Phone: (316) 997-7251 Fax (S16) 997-7528 DF' ,r Attn.: Commercial Lab Enterprise Saturday, October 27, 2001 270 Swinton Avenue Bronx, NY 10465 Ref Number: L10116352

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

# STRUCTURES Analytical Volume Asbestos 2 0.5;1- Non. Area Analyzed Sensitivity Asbestos Concentration Sample ID < Sµ 2 511 Asbestos (uunj) (S/cc) (S/mm') (S/cc) (liters) Type(s) 0 0.0635 0.0049 <15.75 <0.0049 292 1250.00 None Detected

r 0.0042 <19.69 <0.0042 293 1800.00 None Detected 0 0.0508 -

294 I 1240.00 None Detected 0 0.0635 ` 0.0049 1 <15.75 <0.0049

1300.00 None Detected f 0 0.0635 j 0.0047 <15.75 <0.0047

0 0.0635 0.0047 <15.75 <0.0047 296 I 1300.00 None Detected

0.0635 0.0047 <15.75 <0.0047 297 I 1300.00 I None Detected I 0

Earl Tracey Approved Analyst Signatory which is deprindeni on Yob bie collected by non•tabaratory personnel. Uisclaknms: This tahoratoty is not responsible bor dale reported in structures/cc. FNISL. laboratory is only responsible for data reported in sbuctureshnm'. This report may no: bit reproduced. e<c:pt in fuii, w thout wn,ten approval by Tins or any agency of thu U.S. (iu:ern:ntstt. 1 his report relates only to the saropics 6 Thi3 report roust not t,^ used to claim product endorsement by NVLAP I eriu+•s and laboratory and analyst. accuracy and prnctst:at, rs a:•it,x.J%e upon reportnd a.`n,ru. t)ua4ty control data @u hrd,ruf 95% confidence limits

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NYC-WTC 000134756