NYC-WTC_000223625

NYC 9/11 Public Portal Document

5-24-2002 8:48AM FROM PHILIP ANAUY I iCAL ta I Id aL I aaid/

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING ■EPWLAS10128M > NY OOKNELAC10803 •N/0EPPW20 ■AIHAACCReOlTATIONNO. 100439 • PAOePOMBS •CTOPHW-OJSe •NCDENRSaa Analytical Results for ATC Associates WorkOrdcr: .R020SC671 Client Reference: 19125-0289

AnMlytc ConcentrwtiOA Limit of Test Date Analyzed Detection Method /Analyst («e) i (Mg/m7 • (ppm) (ug)

Client ID; SI ATC-0513/0515-1 SOM Lab ID: -OIA Date Sampled: 5/13/2002 Matrix: Filter Air Vol.(L); 1020 Total Particulate Matter <60.0 <6.0490 50 N0500 05/22/2002 ADM

Client ID: S2-ATC-O313/0515-1 SOM Lab 10: 02A Date Sampled: 5/13/2002 Matrix: Filter Air Vof.<L): 1020 Total Particulate Matter <60.0 <00490 50 N0600 05/22/2002 ADM

ClientID: S3-ATC-OSI3/O515-ISOM Lab ID: -03A Date Sampled; 5/13/2002 Matrix: Filter AirVoUD- 1020 Total Particulate Matter <60.0 <0.0490 60 NOSOO 05/22/2002 ADM

Client ID: S4-ATC-O513/0315-t SOM Lab ID: -04A Date Sampled: 5/13^002 ..Matrix: Filter AirVoI.(L): 1020 Total Particulate Matter <50.0 COOMO X 50 N0600 05/22«002 AOM

Client ID: SS-ATC-OS1,3/0315-1 SOM Lab ID: -OSA Date Sampled; 5/13/2002 Matrix: Filter Air VoL(L): NA Total Partlcutale Matter <60.0 "X " ~ 60 NO500 05/22/2002 ADM

(a) Analybii indicates possible breakthrough; back section result is greater than 0% of tltc front section result.

Gcrrtral Notes: <; Le.ss than the indicated limit of detection (LOD). Information not available or nW applicable. Back sections were checked and showed nO significant breakthrough.

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NYC-WTC_000223625