ICPMS daily performance check report, May 21, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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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: Tuesday, May 21, 2002 12:25:01 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\CCV STD2 60+5 PPB.228 Aliquot Volume (mL): Diluted To Volume (mL):

Analyte Be 9 Li 6 > Se-1 45 Cr 52 Cr 53 Mn 55 Co 59 Ni 60 Cu 63 Cu 65 Zn 66 Zn 67 Zn 68 > Ge 72 As 75 Se 77 Se 82 As-1 75 Kr 83 Ag 107 Cd 111 Cd 114 > In Sb 121 Sb 123 Ba 135 Ba 137 Ho 165 Tb 159 Hg 201 Hg 202 TI 205 Pb 208 Concentration Results Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit 20985.738 0.558 0.433 60.19123 0.43ug/L 48487.790 0.963 48487.790 ug/L 380451.353 1.079 380451.353 ug/L 485116.254 2.418 1.259 59.43516 1.37 ug/L 57678.692 2.098 0.150 59.14856 1.20 ug/L 786232.203 0.839 2.064 57.98635 1.12 ug/L 573710.254 1.420 1.508 58.25921 0.39 ug/L 118131.137 1.105 0.310 57.81153 1.17 ug/L 262506.244 0.996 0.690 57.93674 0.36 ug/L 128224.575 0.530 0.337 57.54537 0.66 ug/L 85093.320 1.747 0.981 59.35685 1.49 ug/L 15160.450 1.083 0.175 59.08369 0.29 ug/L 64002.161 1.121 0.738 60.01698 0.45 ug/L 86084.207 1.015 86084.207 ug/L 116123.248 2.543 1.214 59.55627 1.82 ug/L 11105.040 1.282 0.112 59.27725 0.42 ug/L 11497.301 3.346 0.135 59.80722 2.64 ug/L 100062.800 1.885 99900.131 55.45927 1.89 ug/L 4415.116 1.697 -356.184 ug/L 594122.898 0.311 0.487 60.29057 0.89 ug/L 148638.775 0.389 0.122 59.06864 0.74 ug/L 350546.322 1.105 0.287 59.55966 1.56 ug/L 115 1219773.095 1.082 1219773.095 ug/L 491489.439 1.950 0.403 59.32771 1.09 ug/L 378672.876 1.238 0.310 59.64610 0.79 ug/L 142790.741 2.105 0.079 60.58282 1.97 ug/L 248093.566 0.619 0.136 60.46551 0.71 ug/L 1855469.222 1.662 0.005 ug/L 1817534.041 0.690 1817534.041 ug/L 6693.197 2.074 0.004 5.01140 1.89 ug/L 15056.610 1.035 0.008 4.89391 0.52 ug/L 1686733.315 1.096 0.928 59.50098. 1.27 ug/L 2324340.594 0.290 1.278 60.0269! 0.62 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Tuesday, May 21, 2002 12:27:23 Page 1

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 22, 2002.

1 shared topics · Same agency, volume and box · similarity 0.999