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Analytical results for air samples at M894 school, March 2002

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Laboratory report page showing analytical results for air samples collected at the referenced school in late March 2002.

NYC-WTC_000175584
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NYC 9/11 Public Portal Document Maa 23 02 12:1Sp PSC Hnalatical Services G1034B3573 p-

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •EPAItVLAP 101262-0 •NY DOIVNELAC 109Q3 • NJ DEP PA020 • AIHA ACCREDITATION NO. 100439 • PA DEP 06-353 • CT DPHPH-023e •NCDENR599 Analytical Results for ATC Associates WorkOrder: RO2O3O8I3 Client Reference; 1912S-0290

Analyte Concentration Limit of Test Date Analyzed Detection , Method /Analyst (ug) ; (mg'mj : (ppm)

Client ID: M5 ATC-0315-M894 Blank Lab ID: -OSA Date Sampled: 3/1'3/2002 Matrix; Filter^,..''* Air Vol.(LJ: NA Aluminum <1.00 1 N730Q MCE 03/24/2002 TH Cacmium ■=0.200 0^- ' N7300 MCE 03/24/2002 TH Chromium 0.356 ■ "0.2 N7300 MCE 03/24/2002 TH Cotralt <0.100'"' 0.1 N7300 MCE 03/24/2002 TH Copper ,,<6.200 0.2 N730C MCE 03/24/2002 TH Iron <2.00 2 N7300 MCE 03/24/2002 TH Lead 0.320 0.3 N7300 MCE 03/24/2002 TH Magnesium <1.30----' 1.3 N7300 MCE 03/24/2002 TH Manganese .aC'AOO 0.3 N73OC MCE 03/24/2002 TH Mclybdenum <1.00 1 N73D0 MCE 03/24/2002 TH Nickel <0.200 0.2 N7300 MCE 03/24/2002 TH Zinc <0.500 0.5 N7300 MCE 03/24/2002 TH

Client ID: Hgl ATC-0315-M894 Lab ID: -06A Date Sampled: 3/1.5/2002 Matrix: HTBE Air Vol.(L); 120 Mercury 0.0270 0.000225 0.01 N600SM 03/20/2002 JDC

Client ID; Hg2 ArC-0315-M894 LablD:-07A Date Sampled: 3/15/2002 Matrix: HTBE Air Vol.(L); 120 Mercury 0.0300 0.000250 0.01 NSOOSM 03/20/2002 JDC eiVIlkT

Client ID: Hg3 ATC-0315-M894 Lab ID; -08A Date Sampled: 3/15/2002 Matrix: HTBE Air Vol.(L): 120 Mercury 0.0290 0.000242 0.01 N6009M 03/20/2002 JDC O.vin

Client ID: Hg4 ATC-031 5-M894 Lab ID: -09A Date Sampled: 3/15/2002 Matrix: HTBE Air Vol.(L): 120 Mercury 0.0260 0.000208 0,01 N60Q9M 03/20/2002 JDC

Client ID: Hg5 A l C-0315-M894 Blank Lab ID: -lOA Date Sampled; 3/15/2002 Matrix; HTBE Air Vol.(L); .NA Mercury 0.0280 0.01 NSOOSM 03/2Q/20C2 JDC

Page 3 of S

CONFIDENTIAL, CITY_21MC100_003431742 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175584

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NYC-WTC_000175584Source: NYC Law Department, mirrored locally

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