NYC-WTC_000187471

NYC 9/11 Public Portal Document

Table 1.1 Results of the Analysis for Metals in Air WA # 0-236 WTC Landfill site

Client ID Media Blank #1 Media Blank#2 Media Blank#3 VVTC-0034 WTC-0035 WTC-0029 Location Lab Lab Lab Field Blank Lot Blank 0-17 Air Volume (L) 0 0 4980 Date Collected 12/19/01 12/19/01 12/19/01

Analysis Cone MDL Cone MDL Cone MDL Cone MDL Cone MDL Cone MDL Parameter Method pg/filter ug/filter pg/filter pg/filter pg/filter pg/filter pg/filter pg/filter pg/filter pg/filter pg/m’ pg/m’

Aluminum ICAP U 1.3 U 1.3 U 1.3 U 1.3 U 1.3 0.56 0.25 Antimony AA-Fur U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.01 Arsenic AA-Fur U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.01 Barium ICAP U 0.13 U 0.13 U 0.13 U 0.13 U 0.13 0.037 0.025 Beryllium ICAP U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.01 Cadmium ICAP U 0 13 U 0 13 U 0.13 U 0.13 U 0.13 U 0.025 Calcium ICAP 6.9 2.5 7 2.5 7.1 2.5 U 2.5 U 2.5 3.5 0.50 Chromium ICAP 0.88 0.13 0.77 0.13 0.7 0.13 0.17 0.13 U 0.13 U 0.025 Cobalt ICAP U 0.25 U 0.25 U 0.25 U 0.25 U 0.25 U 0.05 Copper ICAP U 0.25 U 0.25 U 0.25 U 0.25 U 0.25 U 0.05 Iron ICAP U 0.63 U 0.63 U 0.63 U 0.63 U 0.63 1.2 0.13 Lead AA-Fur U 0.05 0.097 0.05 U 0,05 U 0,05 U 0.05 0.036 0.01 Magnesium ICAP U 13 U 13 U 13 U 13 U 13 U 2.5 Manganese ICAP U 0.13 U 0.13 U 0.13 U 0.13 U 0.13 U 0.025 Nickel ICAP U 0.25 U 0.25 U 0.25 U 0.25 U 0.25 U 0.05 Potassium ICAP U 50 U 50 U 50 U 50 U 50 U 10 Selenium AA-Fur U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.01 Silver ICAP U 0.13 U 0.13 U 0.13 U 0.13 U 0.13 U 0.025 Sodium ICAP 20 13 20 13 21 13 U 13 U 13 U 2.5 Thallium AA-Fur U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.01 Vanadium ICAP U 0.25 U 0.25 U 0.25 U 0.25 U 0.25 U 0.05 Zinc ICAP 0.26 0.25 0.42 0.25 0.48 0.25 U 0.25 U 0.25 0.082 0.05

MDL denotes Method Detection Limit U denotes less than the MDL (not detected) Average Media Blank concentration subtracted from all sample results o H

to

o o I o o O', O',

cn 12-19-21-01airmetalsERTC COC 12/19/01 metals 12/21/01 metals ERTC 1/2/02

NYC-WTC_000187471