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NYC-WTC_000226992

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000226992–000226993
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NYC 9/11 Public Portal Document

Jan 16 02 03:15p PSC Rnalatical Services 6109219667 p.5

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAAVLAP 101262-0 •NYDOWNELAC 10903 •NJ OEP 77020 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 • CT DPH PH-0238 ■NCDENR599

ANALYTICAL SERVICES Analytical Results for ATC Associates WorkOrder: R02010054 Client Reference: 19125-0246: Silica in Aii

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) • (mg/m^) ; (ppm) (ug)

Client ID: ATC-0I04-STY.SI LablD; -01A Date Sampled: 1/4/02 Matrix: Filter Air VoI.(L): 816 Total Particulate Matter <100 <0.123 100 NO500 01/09/2002 ADM ■ Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/(39/2002 ADM

Client ID: ATC-0I04-STY-S2 Lab ID; -02.A Date Sampled: 1/4/02 Matrix: Filter Air Vol.(L):8l6

Total Particulate Matter <100 <0.123 100 ■ N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0ll)4-STY-S3 LablD; -03A Date Sampled: 1/4/02 Matrix: Filter AirV«L(L):8t6

Total Particulate Matter <100 <0.123 100 N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S4 Lab ID: -04A Date Sampled: 1/4/02 Matrix: Filter Air Vol.(L); 816

Total Particulate Matter <100 <0.123 100 N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY.S5 Lab ID: -OSA Date Sampled: 1/4/02 Matrix: Filter Air VoL(L): 816 Total Particulate Matter <100 <0.123 100 N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S6 LablD: -06A Date Sampled: 1/4/02 Matrix; Filter AirVoL<L): S16 Total Particulate Matter <100 <0.123 100 N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S7 Lab ID: -07A Date Sampled: 1/4/02 Matrix: Filter AirVol.(L):816 Total Particulate Matter <100 <0.123 100 N05O0 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S8 Lab ID: -OSA Date Sampled: 1/4/02 Matrix: Filter Air Vol.(L): 816 Total Particulate Matter <100 <0.123 100 N0500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S9 Lab ID: -09A Date Sampled: 1/4/02 Matrix; Filter Air Vol.(L): 816

Total Particulate Matter <100 <0.123 100 NO500 01/09/2002 ADM Silica (Quartz Total) <25.0 <0.0306 25 AIRBORNE SILICA 01/09/2002 ADM

Client ID: ATC-0104-STY-S10 LablD: -lOA Date Sampled: 1/4/02 Matrix; Filter Air Vol.(b): 8’6 Total Particulate Matter <100 <0.123 100 NO500 01/09/2002 ADM Silica (Quartz Total) <5.00 <0.00613 5 AIRBORNE SILICA 01/09/2002 ADM

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NYC-WTC_000226992

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