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Method 200.8 summary report, Dec 12 2001

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Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and nickel from December 12, 2001.

NYC-WTC_000066921–000067006

Folder label: “NEWQ 12/12/01 28043-28429 copies made

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: QCS Sample Date/Time: Wednesday, December 12, 2001 09:54:22 Sample Type: Sample Sample Description: 100 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\QCS.491 Sample Prep Volume (mb): Initial Sample Quantity (mg): Aliquot Volume (mb): Diluted To Volume (mb):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 79973.359 0.443 0.066 98.44957 1.01 ug/L I: Sc-1 45 1217684.020 0.612 1217684.020 ug/L I Cr 52 2509735.346 0.125 2.044 98.09377 0.49 ug/L I Cr 53 261287.094 0.780 0.214 96.75432 0.42 ug/L I Mn 55 4187629.249 1.079 3.437 97.63866 0.79 ug/L I Ni 60 638339.924 1.561 0.521 90.06458 1.37 ug/L I Cu 63 1398786.235 1.321 1.140 92.36665 0.71 ug/L L Cu 65 688696.289 1.242 0.561 95.75371 0.64 ug/L r Zn 66 402820.183 0.528 1.901 96.79101 0.39 ug/L I Zn 67 71464.845 0.340 0.337 96.88904 0.68 ug/L I Zn 68 290965.217 0.263 1.373 95.31736 0.68 ug/L i: Ge 72 210689.958 0.536 210689.958 ug/L I As 75 407309.344 1.193 1.933 97.98603 1.03 ug/L I Se 77 37316.811 1.063 0.176 101.02132 0.64 ug/L L Se 82 49092.020 0.539 0.232 100.62168 0.15 ug/L r Y 89 3164738.562 0.543 0.001 ug/L I Ag 107 2620829.271 1.154 0.848 99.31886 1.53 ug/L I: In 115 3089104.246 0.426 3089104.246 ug/L I Sb 121 1510085.259 0.285 0.489 98.44597 0.16 ug/L L Sb 123 1177430.832 0.549 0.381 98.69870 0.68 ug/L r Ba 135 508540.146 0.748 0.120 95.23401 0.81 ug/L I Ba 137 876670.726 0.666 0.206 94.44307 0.63 ug/L I Tb 159 4180478.638 0.410 -0.003 ug/L I: Ho 165 4244627.591 0.142 4244627.591 ug/L I Bi 209 3058089.235 1.060 -0.010 ug/L I Tl 205 6745918.940 1.031 1.589 96.15105 0.98 ug/L I Pb 208 8659822.250 2.282 2.039 94.95440 2.31 ug/L L Au 197 949356.176 0.859 -0.263 mg/L

Sample ID: QCS Report Date/Time: Wednesday, December 12, 2001 09:56:06 Page 1

NYC-WTC_000066929

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