NYC 9/11 Public Portal Document
Feb 05 02 11:53a PSC Analatical Sei-vices 6109219667 p. 3
INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING
•EPANVtAP 101262-0 •NY DOHAIELAC 10903 • NJ DEP 77020
• AIHAACCREDiTATION NO. 100438 • PA DEP 06-353 •CTDPHPH-[)238
■ NC DENR 593
ANALYTICAL SERVICES Analjlical Results
for
ATC Associates
WorkOrder; R02010328
Client Reference: 19125-0246, Silica
Analyte Concentration Limit of Test Date Analyzed
Detection Method /Analyst
(ug) (mg/m’) ; (ppm) (UR)
Client ID: S7 ATC-OI 17-STY. LablD: -07A Date Sampled: 1/17/02 Matrix: Filter AirVol.(L): 816
Total Particulate Matter <50.0 <0.0613 50 NO5O0 01/24/2002 ADM
Silica (Quartz Total) ’ 12.0 0.0147 10 AIRBOFtNE SILICA 01/24/2002 ADM
Client ID: S8 ATC-OI 17-STY Lab ID: -OSA Date Sampled; I/17/02 Matrix: Filter Air Vol.(L): 816
Tolal Particulate Matter <50.0 <0.0613 50 NO500 01/24/2002 ADM
Silica (Quartz Total) <10.0 <0.0123 10 AIRBORNE SILICA 01/24/2002 ADM
Client ID: S9 ATC-OI 17-STY LablD: -09A Date Sampled: 1/17/02 Matrix: Filter Air Vol.(L): 816
Total Particulate Matter <50.0 <0.0613 50 N0500 01/24/2002 ADM
1^0^
Silica (Quartz Total) <10.0 <0.0123 10 AIRBORNE SILICA 01/24/2002 ADM
Client ID; SIO ATC-OI 17-STY LablD: -lOA Date Sampled: 1/17/02 Matrix; Filter AirVol.(L): 816
Total Particulate Matter <50.0 <0.0613 50 ND500 01/24/2002 ADM
'~IO^
Silica (Quartz Total) <10.0 <0.0123 10 AIRBORNE SILICA 01/24/2002 ADM
Client ID; Sil ATC-OI 17-STY LablD: -HA Date Sampled; 1/17/02 Matrix; Filter AirVol.(L): 816
Tolal Particulate Matter <50.0 <0.0613 50 N0500 01/24/2002 ADM
Silica (Quartz Total) <10.0 <0.0123 10 AIRBORNE SILICA 01/24/2002 ADM
Client ID; S12 ATC-OI 17-STY LablD: -12A Date Sampled: 1/17/02 Matrix: Filter Air Vol.(L): 810
Total Particulate Matter <50.0 <0.0613 50 NO500 01/24/2002 ADM
Silica (Quartz Total) ' <10.0 <0.0123 10 AIRBORNE SILICA 01/24/2002 ADM
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CONFIDENTIAL, CITY_21MC100_003429689
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175066
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