NYC-WTC_000233230

NYC 9/11 Public Portal Document

usfomer-hacused Solutions 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 01/29/2005 New York. NY 10006 Date Analyzed 01/29/2005 Collected By N. Agahan Job Location 130 Liberty Street Collected 01/28/2005 Rotometer Standard

Lab ID 010500332-0005 Matrix Air Field ID M-012805-029 Location Washington Street/Cedar Street

Parameter Start End Flow Volume Result Units MDL MCL Flag Barium, Total 16:05 16:09 4 5776 <0.8657 gg/m3 0.8657 500 Beryllium, Total 16:05 16:09 4 5776 <0.0346 gg/m3 0.0346 1 Cadmium, Total 16:05 16:09 4 5776 <0.0346 gg/m3 0.0346 2.5 Chromium, Total 16:05 16:09 4 5776 <0.0866 gg/m3 0.0866 500 Copper, Total 16:05 16:09 4 5776 <0.1731 gg/m3 0.1731 500 Lead,Total 16:05 16:09 4 5776 <0.0866 gg/m3 0.0866 500 Manganese, Total 16:05 16:09 4 5776 <0.1298 gg/m3 0.1298 30 Nickel, Total 16:05 16:09 4 5776 <0.1731 gg/m3 0.1731 1000 Zinc, Total 16:05 16:09 4 5776 <0.1731 gg/m3 0.1731 2500

Lab ID 010500332-0006 Matrix Air Field ID M-012805-030 Location Blank

Parameter Start End Flow Volume Result Units M^ MCL Flag Barium, Total 0 0 <5.000 pg 5 500 Beryllium, Total 0 0 <0.2000 pg 0.2 1 Cadmium, Total 0 0 <0.2000 pg 0.2 2.5 Chromium, Total 0 0 <0.5000 pg 0.5 500 Copper, Total 0 0 <1.000 pg 1 500 Lead,Total 0 0 <0.5000 pg 0.5 500 Manganese, Total 0 0 <0.7500 pg 0.75 30 Nickel, Total 0 0 <1.000 pg 1 1000 Zinc, Total 0 0 <1.000 pg 1 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

CONFIDENTIAL, CITY_21MC100_0 07850060 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000233232