Fax cover sheet, ATC Associates Inc., Oct 2002

NYC 9/11 Public Portal Document

10/15/2002 10:10 FAX 212 353 8306 _ _ ATC 1 007/008 610-91 -9567 F. 10 "' - —• --• ~ — ~ Oct 14 02 03:01p PSC

FJIIVIRONMWAL TESTING 4NDUSTRIAL HYGlFs1E 3 DP PAO2O • C3 OPtI PE1.0239 WE 120 • A6 A ACCRCCREDITATION No.100438 - PA OEP 06-583 •pC t)EPR 899 Analytical Results for ATC Associates WaricOrder: p.02100360

Client Reference: DBP Cleanup, 15-22906-0002

alit of Test Vale e++ Coacentratioa Method /At►ayst An yte Dt3ecti~

1VUtrix:Filtct Air Vol.(L): 901-8 Lab ttD: -1 SA Date Sampled: 1OAM2 Client ID: SSN-1 10/11/2002 ADM - 50 N050Q <g0.0 <0.45~4 Total Particulate Matter 1011112002 AOM 10 AIRBORNE SILICA <10.4 <c.o i i - $Rico (Quartz Total)

Matrix: Filter Air Vet.(L). 903.6 Lab liD: -20A Date Sampled: 60/8!02 Clletst ID: S4S-19 10/1112002 ADtJt 5p WOOD 50A <0A'353 - TOtd Particulate Matter 101'1112002 AOM — 10 AIRBORNE SILICA 410.0 40.0111 Sii'w (Quer12 Total)

Matrix: Filler Air Vol.(I.)t 61 S.5 Lab ID; -21 A Date Sampled: 1018/02 CUent 1D: S4N-30 10?1112002 ADM - 60 N0504 cS0.0 40.0612 Total Particulate Matter AlPBORNE SILICA ii1/2002 AUI41 <O012 10 14.0 silica (QuarizTotsl)

matrix: Fihcr Alr Vol.(L): 904. 1 Date Sampled: 1018!02 CUeat ID: S3S 21 Lab 10: -22A N0500 10/11'2D02 AWA cap 0 c0 03$0 — 50 Total Partlaulate Metter

t10.0 40.0110 '- 10 AIRBORNE SILICA 10/11/2002 ADM $thee (Quartz Total)

Matrix: Filtcc Air Vot.(L): 520.1 Lab W: -23.A Date Sampled' 10iS/02 Clieot Wi S3N-22 10/1112pD2 ADM 50 N0500 c54A 40.0806 - Total Partlta+lete Matter AjRBORNESILICA iQ11112032 ADM 40.0161 - 14 10.0 Silks (Quart2Total)

Matrix: FiltcP Air VoL(ii.): 6ta.9 Lab ID: -24A Date Sea+pled: 10/8/02 Cheat il): Si 10/11/2002 ADM 50 NWOO a0.OB13 — Total Pattlaukm Matter AIR$QRP1E SiUCA 1011'112002 ADM e00183 . — 10 a1O,d 811196 (Quatz Tatar)

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