NYC-WTC_000194862

NYC 9/11 Public Portal Document Mar 25 02 10:55a PSC Rnalytical Services 6103213667 p. 1 1

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPA/hWLAP101262-D •NYDOH/NElAC 10903 •NJ DEP PA020 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 •Cl DPHPH-0238 •NCOENR 599 Analytical Results ANAT^YTICAL SERVICES for ATC Associates WorkOrder: R02030S66 Client Reference: 19125-0289

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) 1 (mg/m’) ; (ppm) (ug)

Client ID; Ml ATC-03.18-ISOM Lab ID: -OlA Date Sampled; 3/18.'02 Matrix: Filter AirVi>l.(L): 1200 ■ H Aluminum <1.00 <0.000833 1 N7300 MCE 03/23/2002 AJB /Cadmium <0.200 <0.000167 0.2 N730O MCE 03/23/2002 AJB \ Chromium 0.362 0.000302^ 0.2 N73O0 MCE 03/23/2002 AJB Cobalt <0.100 <0.0000833 0.1 N730O MCE 03/23/2002 AJB Copper <0.200 <0.000167 0.2 N7300 MCE 03/23/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 03/23/2002 AJB ''—Lead 0.360 0.000300 0.3 N7300 MCE 03/23/2002 AJB Magnesium <1.30 <0.00108 1.3 N730O MCE 03/23/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 03/23/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 03/23/2002 AJB Nickel <0.200 <0.000167 0.2 N73O0 MCE 03/23/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 03/23/2002 AJB

Client ID: M2 ATC-0318-1 SOM Lab ID: -02A Date Sampled: 3/1S/02 Matrix: Filter AirVol.(L): 1200

■Aluminum 1.31 0.00109 — 1 N7300 MCE 03/23/2002 AJB .. . ii. Cadmium <0.200 <0.000167 0.2 N7300 MCE 03/23/2002 AJB '7'Chromium 0.256 0.000213 0.2 N7300 MCE 03/23/2002 AJB 'Cobalt <0.100 <0.0000833 0.1 N7300 MCE 03/23/2002 AJB . Copper <0.200 <0.000167 0.2 N7300 MCE 03/23/2002 AJB Iron <2.00 <0.00167 2 N7300 MCE 03/23/2002 AJB _—Lead 0.378 0.000315 0.3 N7300 MCE 03/23/2002 AJB Magnesium <1.30 <0.00108 1.3 N73O0 MCE 03/23/2002 AJB Manganese <0.300 <0.000250 0.3 N7300 MCE 03/23/2002 AJB Molybdenum <1.00 <0.000833 1 N7300 MCE 03/23/2002 AJB Nickel <0.200 <0.000167 0.2 N7300 MCE 03/23/2002 AJB Zinc <0.500 <0.000417 0.5 N7300 MCE 03/23/2002 AJB

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CITY_21MC100_004152354

NYC-WTC_000194862