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ICPMS daily performance check report, May 16, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 16, 2002.

NYC-WTC_000053706–000053937

Folder label: “ICPMS 5/16/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV STD2 60+5 PPB Sample Date/Time: Thursday, May 16,2002 11:26:32 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\CCV STD2 60+5 PPB.151 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit Be 9 23221.520 0.797 0.415 58.91328 3.02 ug/L Li 6 55957.685 3.008 55957.685 ug/L > Se-1 45 427185.734 1.354 427185.734 ug/L Cr 52 549813.233 1.419 1.272 59.82138 1.78 ug/L Cr 53 65769.711 0.370 0.152 60.20772 1.00 ug/L Mn 55 926826.177 1.590 2.166 60.96077 2.59 ug/L Co 59 667582.912 2.511 1.563 60.93040 3.59 ug/L Ni 60 137182.719 0.931 0.321 60.95211 1.20 ug/L Cu 63 296403.739 1.433 0.694 60.24313 2.46 ug/L Cu 65 144930.703 1.322 0.339 60.08589 2.60 ug/L Zn 66 98571.239 1.485 1.036 60.31562 1.35 ug/L Zn 67 17281.920 1.685 0.181 59.90555 1.75 ug/L Zn 68 72478.184 1.092 0.762 59.68863 1.11 ug/L > Ge 72 94389.761 0.176 94389.761 ug/L As 75 121501.769 1.077 1.237 59.73868 1.11 ug/L Se 77 11685.421 2.487 0.117 60.29115 2.49 ug/L Se 82 13087.935 0.182 0.139 60.59176 0.06 ug/L As-1 75 111648.876 0.598 111450.871 54.35830 0.60 ug/L Kr 83 1924.890 0.931 -104.024 ug/L Ag 107 639613.012 1.502 0.490 59.56462 0.86 ug/L Cd 111 162835.472 1.142 0.125 59.85769 1.01 ug/L Cd 114 379041.332 1.899 0.291 59.55693 1.58 ug/L > In 115 1303167.472 1.103 1303167.472 ug/L Sb 121 528056.769 1.359 0.405 59.94056 0.92 ug/L Sb 123 404981.287 2.158 0.311 59.92394 2.02 ug/L Ba 135 155003.014 1.602 0.082 57.91946 0.29 ug/L Ba 137 268517.224 1.218 0.142 57.50773 0.11 ug/L Ho 165 1920293.511 0.876 -0.003 ug/L > Tb 159 1895010.811 1.310 1895010.811 ug/L Hg 201 6929.709 0.418 0.004 4.70875 1.74 ug/L Hg 202 15784.850 0.748 0.008 4.71220 1.85 ug/L 71 205 1756192.154 1.087 0.926 57.13342 0.29 ug/L Pb 208 2399196.793 1.667 1.265 57.53935 0.53 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Thursday, May 16, 2002 11:29:20 Page 1

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