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ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

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 STD1 30+2 PPB Sample Date/Time: Tuesday, May 21, 2002 12:21:38 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\newyork city\CCV STD1 30+2 PPB.227 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 10747.791 0.782 0.214 29.74520 2.06 ug/L Li 6 50240.295 1.416 50240.295 ug/L Sc-1 45 384250.076 1.449 384250.076 ug/L Cr 52 255642.205 4.404 0.650 30.67338 5.21 ug/L Cr 53 29742.876 1.089 0.076 29.90362 0.64 ug/L Mn 55 400097.234 2.179 1.038 29.17064 1.28 ug/L Co 59 291733.579 1.053 0.759 29.33511 2.49 ug/L Ni 60 60193.558 0.439 0.157 29.15991 1.23 ug/L Cu 63 133281.542 2.207 0.346 29.10959 2.46 ug/L Cu 65 65656.247 1.182 0.171 29.15788 2.31 ug/L Zn 66 43966.169 0.777 0.495 29.98656 0.12 ug/L Zn 67 7857.140 1.652 0.088 29.92358 1.70 ug/L Zn 68 32992.759 0.863 0.372 30.25666 1.50 ug/L Ge 72 87366.017 0.778 87366.017 ug/L As 75 65007.892 1.505 0.609 29.88256 0.89 ug/L Se 77 6398.431 1.640 0.056 29.75762 1.26 ug/L Se 82 5852.485 0.954 0.068 30.22898 0.52 ug/L As-1 75 50974.372 1.411 50811.702 28.20797 1.42 ug/L Kr 83 4491.488 0.790 -279.813 ug/L Ag 107 284303.363 0.630 0.235 29.06189 1.32 ug/L Cd 111 74912.834 1.240 0.062 29.99481 0.34 ug/L Cd 114 177324.049 1.448 0.146 30.35615 0.48 ug/L > In 115 1209989.558 0.981 1209989.558 ug/L Sb 121 246449.735 0.627 0.204 29.98979 0.44 ug/L Sb 123 190222.738 0.842 0.157 30.20278 0.58 ug/L Ba 135 71709.096 0.529 0.039 29.93909 0.69 ug/L Ba 137 125754.808 1.201 0.068 30.16015 1.13 ug/L Ho 165 1879174.787 0.768 0.001 ug/L > Tb 159 1846598.207 0.968 1846598.207 ug/L Hg 201 2772.117 3.073 0.001 2.02201 3.28 ug/L Hg 202 6283.901 2.263 0.003 1.99502 2.34 ug/L TI 205 871093.749 1.277 0.471 30.22812 0.98 ug/L Pb 208 1179298.288 1.113 0.638 29.95043 0.25 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Tuesday, May 21,2002 12:24:01 Page 1

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