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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 STD1 30+2 PPB Sample Date/Time: Thursday, May 16, 2002 11:22:21 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: C:\WINNTAProfiles\lrd1\Elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\CCV STD1 30+2 PPB.150 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 11729.346 1.085 0.209- 29.62092 1.66 ug/L Li 6 56168.885 0.615 56168.885 ug/L > Se-1 45 431601.789 0.327 431601.789 ug/L Cr 52 278327.643 2.069 0.630 29.61991 1.99 ug/L Cr 53 33809.107 2.076 0.077 30.27998 1.97 ug/L Mn 55 461299.521 0.378 1.065 29.97307 0.25 ug/L Co 59 329940.833 2.070 0.764 29.78673 1.76 ug/L Ni 60 68948.895 1.893 0.160 30.31180 1.58 ug/L Cu 63 149921.056 1.358 0.347 30.13410 1.07 ug/L Cu 65 72993.977 1.466 0.169 29.92455 1.14 ug/L Zn 66 50724.310 1.422 0.519 30.21493 1.58 ug/L Zn 67 8890.768 1.310 0.091 29.96845 1.72 ug/L Zn 68 37699.778 3.405 0.386 30.21594 3.68 ug/L > Ge 72 96221.840 0.376 96221.840 ug/L As 75 63984.990 1.976 0.615 29.69658 2.51 ug/L Se 77 6338.844 2.309 0.059 30.39700 2.18 ug/L Se 82 6722.189 2.403 0.070 30.56925 2.06 ug/L As-1 75 56695.873 2.348 56497.869 27.55589 2.36 ug/L Kr 83 1890.882 1.150 -138.031 ug/L Ag 107 312524.104 1.893 0.239 29.06297 2.03 ug/L Cd 111 80884.752 1.370 0.062 29.71057 0.60 ug/L Cd 114 187498.874 0.820 0.144 29.44269 0.67 ug/L > In 115 1303406.545 0.777 1303406.545 ug/L Sb 121 258918.699 1.372 0.199 29.38141 0.99 ug/L Sb 123 199430.678 0.684 0.153 29.50011 0.32 ug/L Ba 135 76268.696 0.658 0.040 28.51930 0.84 ug/L Ba 137 132114.431 0.994 0.070 28.31347 0.40 ug/L Ho 165 1909076.280 1.449 -0.008 ug/L Tb 159 1893378.492 1.394 1893378.492 ug/L Hg 201 2928.501 1.382 0.002 1.97488 0.06 ug/L Hg 202 6552.093 1.664 0.003 1.94316 1.15 ug/L TI 205 881633.311 1.730 0.465 28.69478 1.09 ug/L Pb 208 1196225.697 1.924 0.631 28.68945 0.54 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Thursday, May 16, 2002 11:25:12 Page 1

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