Industrial hygiene lab report header, Aug 2002

NYC 9/11 Public Portal Document Aug dU 02 Oa 31a psc bia-adi-abb / P A

FSC AMALYTBCAL INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING J EPAIMAP 101262 0 NY DOhWELAC 10903 NJ DEP PA020 AIHA ACCREDITATION NO 100439 PA OEP 05-353 CT DPH PH-0238 NC DENR 599 Anaivtical Results for ATC Associates WorkOrder R02080728 Client Reference 19123 0346

Analyte Concentration Limit of Test Date Analvzed Detection Method /Analyst (ug) (mg/m ) (PPtn) (ug) Client ID ATC 0822 13IM Hgl Lab ID OIA Date Sampled 8 22/02 Matnx HTBE Air Vol (L) 120 Mercury 0 0302 0 000251 0 01 NOOOOM 08/29/2002 JDC

Client ID ATC 0822 13IM Hg2 Lab IO 02A Date Sampled 8/22/02 Matrix HTBE AirVol(L) 120 Mercury 0 0284 0 000237 0 01 N6009M 08/29/2002 JDC

Client ID ATC 0822 131M Hg3 Lab ID 03A Date Sampled 8/22/02 Matrix HTBE Air Vol (L) 120

Mercury 0 0291 0 000242 0 01 N6009M 08/29/2002 JDC

C lient ID A rC 0822 131 M Hg4 Lab ID 04A Date Sampled 8/22/02 Matrix HTBE Air Vol (L) NA

Mercury 0 0262 0 01 N60Q9M 08/29/2002 JDC

(j) Analysis indicates possible breakthrough back section result is greater than O/o of the front section result

General Notes < Less than the indicated limit of detection (LOD) Information not available or not applicable Back sections were checked and showed no significant breakthrough

Pdl.C I 111 1

CONFIDENTIAL, CITY_21MC100_003431006 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000175426