NYC-WTC_000233283

NYC 9/11 Public Portal Document

Cusfomer-Facused SqIu Fons 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 3/16/2005 New York, NY 10006 Date Analyzed 3/16/2005 Collected By K. DaRocha Job Location 130 Liberty Street Collected 3/15/2005 Rotometer Standard

Lab ID 010500910-0005 Matrix Air Field ID M-031505-305 Location Washington Street/Cedar Street

Parameter Start End Flow Vplume Result Units MDL MCL Flag Barium, Total 16:13 16:14 3.85 5548 <0.9012 gg/m3 0.9012 500 Beryllium, Total 16:13 16:14 3.85 5548 <0.0361 gg/m3 0.0361 1 Cadmium, Total 16:13 16:14 3.85 5548 <0.0361 gg/m3 0.0361 2.5 Chromium, Total 16:13 16:14 3.85 5548 <0.0901 gg/m3 0.0901 500 Copper, Total 16:13 16:14 3.85 5548 <0.1802 gg/m3 0.1802 500 Lead, Total 16:13 16:14 3.85 5548 <0.0901 gg/m3 0.0901 30 Manganese, Total 16:13 16:14 3.85 5548 <0.1352 gg/m3 0.1352 1000 Nickel, Total 16:13 16:14 3.85 5548 <0.1802 gg/m3 0.1802 500 Zinc, Total 16:13 16:14 3.85 5548 <0.1802 gg/m3 0.1802 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_21MC100_003228332

NYC-WTC_000233285