Fax cover sheet, ATC Associates Inc., Oct 2002

NYC 9/11 Public Portal Document

10/15/2002 10:09 FAX 212 353 8306 ATC z 005/008 act 14 02 03:01p PSC 610-921-9667 p.9

ENVIRONMENTAL TESTING YTCM INDUSTRIAL HYGIENE •EPMNLAP 111262.0 •NYo A= •AiiA ACCREDITATION NO.100431 •PA DEP 06353 •CT DPH P140238 •NC OENtt 596 Analytical Results for ATC Associates W orkOrder: 1102100360 Client Reference: DEP Cleanup, 15-22906-0002

Acalyte Concentratte® Limit of Tcst Date Analyzed Detection Method /Analyst ................ .. . . . ........... . (mg) (mg/m') (ppm) (u )

client ID: SI IS-06 Lab ID. -07A Date Sampled: 10/7/02 Matrix: Filter Air VoL(L): 860.2

Total Particulate Matter '5(1.0 <0.0581 -- 50 N0500 10/11/2002 ADM

Silica (Quartz Tolai) <10.0 <0.0116 -- 10 AIRBORNE SILICA 1011112002 ADM

Lab ID- -08A Date Sampled: 10/7/02 Matrix Filter Air Voi.(L): 601.2 Client IDs SIOS-07 Total Particulate Matter <50.0 '0.0832 - 50 N0500 10/1112002 ADM

<10.0 <0.0160 - 10 AIRBORNE SILICA 10111/2002 ADM Silica (Quartz Total)

Lab ID: -09A Date Sampled: 10/7102 Matrix: Fitter Air Vol{L): 605.3 Cheat ED: SION-OS Total Particulate Matter <50.0 <0.0826 - 50 N0500 10111/2002 ADM

<10.0 <0.0165 - 10 AIRBORNE SILICA 10/11/2002 ADM Silica (Quart[ Total)

Lab ID: •I CA Date Sampled: 1018/02 Matrix: Filter Air VoL(L): 923.3 Cheat ID: S9N-09 <50.0 <0.0542 - 50 N0500 10/1112002 ADM Total Particulate Matter

<10.0 <0.0108 - 10 AIRBORNE SILICA 10/1112002 ADM SilIca (Quartz Total)

Lab ID: -HA Date Sampled- 1018102 Matrix! Filter Air Vot.(L) 621 -9 ClientlD: S9S.10 <50.0 '0.0804 50 N0500 10/1112002 ADM Total Particulate Matter --

<10.0 <0.0161 -. 10 AIRBORNESILICA 10/11/2002 ADM SOica(QuartzTotal)

Lab ID: -12A Data Sampled: 1018102 Matrix. Filter Air VoL(L):91?.4 Client iD: SSN-1 l <50.0 <00M5 - 50 NO500 10/11/2002 ADM Total Particulate Matter

<10.0 <0.0100 - 10 AIRBORNE SILICA 10/11/2002 ADM Silica (Ouerez Total)

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