NYC-WTC_000187471

NYC 9/11 Public Portal Document

Table 11 (cont.) Results of the Analysis for Metals in Air WA # 0-236 WTC Landfill site

Client ID VVTC-0036 WTC-0037 WTC-0038 WTC-0039 WTC-0040 Location 0-17 0-18 0-19 P-5 P-8 Air Volume (L) 4470.0 4940.0 4607.5 1990.0 3820.0 Date Collected 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01

Analysis Cone MDL Cone MDL Cone MDL Cone MDL Cone MDL Parameter Method pg/m^ pg/m’ pg/m= pg/m’ pg/m’ pg/m" pg/m= pg/m’ pg/m’ pg/m’

Aluminum ICAP 0.63 0.28 0.43 0.25 U 0.27 U 0.63 3.0 0.33 Antimony AA-Fur U 0.011 U 0.01 U 0.011 U 0.025 0.013 0.013 Arsenic AA-Fur U 0.011 U 0.01 U 0.011 U 0.025 0.017 0.013 Barium ICAP U 0.028 0.038 0.025 U 0.027 U 0.063 0.051 0.033 Beryllium ICAP U 0.011 U 0.01 U 0.011 U 0.025 U 0.013 Cadmium ICAP U 0.028 U 0.025 U 0.027 U 0.063 U 0.033 Calcium ICAP 5.7 0.56 1.4 0.51 U 0.54 2.1 1.3 35 0.65 Chromium ICAP U 0.028 U 0.025 U 0.027 0.47 0.063 0.10 0.033 Cobalt ICAP U 0.056 U 0.051 U 0.054 U 0.13 U 0.065 Copper ICAP U 0.056 0.098 0.051 U 0.054 U 0.13 0.34 0.065 Iron ICAP 1.5 0.14 1.1 0.13 0.36 0,14 U 0.31 8.9 0.16 Lead AA-Fur 0.03 0.011 0.012 0.01 U 0.011 U 0.025 0.29 0.013 Magnesium ICAP U 2.8 U 2.5 U 2.7 U 6.3 3.3 3.3 Manganese ICAP U 0.028 U 0.025 U 0.027 U 0.063 0.15 0.033 Nickel ICAP U 0.056 U 0.051 U 0.054 U 0.13 U 0.065 Potassium ICAP U 11 U 10 U 11 U 25 U 13 Selenium AA-Fur U 0.011 U 0.01 U 0.011 U 0.025 U 0.013 Silver ICAP U 0.028 U 0.025 U 0.027 U 0.063 U 0.033 Sodium ICAP U 2.8 U 2.5 U 2.7 U 6.3 U 3.3 Thallium AA-Fur U 0.011 U 0.01 U 0.011 U 0.025 U 0.013 Vanadium ICAP U 0.056 U 0.051 U 0.054 U 0.13 U 0.065 Zinc ICAP 0.094 0.056 U 0.051 U 0.054 U 0.13 0.61 0.065

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

o o I o o O', O',

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

NYC-WTC_000187473