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NYC-WTC_000226855

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NYC 9/11 Public Portal Document

ar 21 Q2 04:4Qp PSC Analytical Services B10921BBB7 p. 1 □

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA/NVLAP 101262-0 ■NY DOHINELAC 10903 ■NJDEP PA02Q ■ AIHA ACCREDITATION NO. 100439 •PADEP 06-353 ■ CT DPH PH-0238 •NCDENR 599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02030375 Client Reference: 19125-0297

Analyte Concentration Limit of Test Date Analyzed Detection ■ Method /Analyst (ug) (mg/nP) ; (ppm) (ug)

Client ID: SI ATC-0307-69M Lab ID: -01A Date Sampled; 3/7/02 Matrix: Filter Air Vul.(L): 102'0 Total Particulate Matter <50.0 <0.0490 50 N0600 03/15/2002 ADM

Crystalline Silica <10.0 <0.00980 •10 Crystalline Silica 03/15/2002 ADM

Client ID: S2 ATC-0307-89M Lab ID; -02A Date Sampled; 3/7/02 Matri.v: Filter AirVol.fL): 1020

Total Particulate Matter <50.0 <0.0490 50 N0600 03/15/2002 ADM

Crystalline Silica <10.0 <0.00980 10 Crystalline Silica 03/15/2002 ADM..

Client ID: S3 ATC-0307-89M Lab ID: -03A Date Sampled: 3/7/02 Matrix: Filter AirVol.(L); 1020 Total Particulate Matter <50.0 <0.0490 50 N0600 03/15/2002 ADM

Is'.rystalline Silica <10.0 <0.00980 10 Crystalline Silica 03/15/2002 ADM'

Client ID: S4 ATC-0307-89M Lab ID: -04A Date Sampled: 3/7/02 Matrix: Filter Air Vol.(L): 1020

T otal Particulate Matter <50.0 <0.0490 50 N0600 03/15/2002 ADM

Crystalline Silica <10.0 <0.00980 10 Crystalline Silica 03/15/2002 ADM

Client ID: SS ATC-03O7-89.M Lab ID; -OSA Date Sampled: 3/7/02 Matrix: Filter AirVol.(L); 1020 Total Particulate Matter <50.0 <0.0490 50 N0600 03/15/2002 ADM

Crystalline Silica <10.0 <0.00980 10 Crystalline Silica 03/15/2002 ADM

Client ID; S6 ATC-0307-89M Lab ID: -06A Date Sampled: 3/7/02 Matrix: Filter Air Vol.(L); 1020

Total Particulate Matter <50.0 <0.0490 50 N0600 • 03/15/2002 ADM

■ystalline Silica <10.0 <0.00980 10 Crystalline Silica 03/15/2002 ADM

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CITY_21MC100_000623986 NYC-WTC_000226855

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NYC-WTC_000226855Source: NYC Law Department, mirrored locally

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