NYC-WTC_000232034

NYC 9/11 Public Portal Document

Cusfomerhocused SolufIons 1430 Broadway, 10th Fl. New York, New York 10018 Phone: (212) 221-7822 - Fax: (212) 221-7840

LMDC Air Metals Profile

Client Lower Manhattan Development Corporation Job Number 46600-0000-00001 Address One Liberty Plaza, 20th Floor Date Received 02/04/05 New York, NY 10006 Date Analyzed 02/04/05 Collected By K. DaRocha Job Location 130 Liberty Street Collected 2/3/2005 Potometer Standard

Lab ID 010500405-0005 Matrix Air Field ID M-020305-065 Location Washington Street/Cedar Street

Parameter Start End Flow Volume Result Units MDL MCL Flag Barium, Total 16:16 16:14 4 5752 <0.8693 Hg/m3 0.8693 500 Beryllium, Total 16:16 16:14 4 5752 <0.0348 Hg/m3 0.0348 1 Cadmium, Total 16:16 16:14 4 5752 <0.0348 Hg/m3 0.0348 2.5 Chromium, Total 16:16 16:14 4 5752 <0.0869 Hg/m3 0.0869 500 Copper, Total 16:16 16:14 4 5752 <0.1739 Hg/m3 0.1739 500 Lead,Total 16:16 16:14 4 5752 <0.0869 Hg/m3 0.0869 500 Manganese, Total 16:16 16:14 4 5752 <0.1304 |jg/m3 0.1304 30 Nickel, Total 16:16 16:14 4 5752 <0.1739 Hg/m3 0.1739 1000 Zinc, Total 16:16 16:14 4 5752 <0.1739 Hg/m3 0.1739 2500

MDL = Minimum Detection Limit MCL = Maximum Contaminant Level > MCL = Exceeds Maximum Contaminant Level Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 3 of 3

CITY_DEP_WORBY_CANNATA_SUBP_000071331

NYC-WTC_000232036