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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02”

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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: Friday, May 24, 2002 11:05:03 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 .371 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 23801.365 2.233 0.424 60.59302 1.34 ug/L Li 6 56170.926 1.689 56170.926 ug/L > Se-1 45 416475.797 0.512 416475.797 ug/L Cr 52 529739.957 0.897 1.256 60.58509 0.60 ug/L Cr 53 62912.905 0.513 0.150 60.95684 0.61 ug/L Mn 55 873519.409 1.320 2.095 60.94157 1.49 ug/L Co 59 620882.720 1.115 1.490 61.13689 1.04 ug/L Ni 60 125814.962 1.178 0.302 60.57407 0.75 ug/L Cu 63 268650.095 2.356 0.645 60.96522 2.41 ug/L Cu 65 130093.287 1.327 0.312 60.59659 1.20 ug/L Zn 66 86115.579 1.969 1.001 60.26153 2.25 ug/L Zn 67 15250.934 0.140 0.177 60.37252 0.68 ug/L Zn 68 64173.029 1.143 0.746 60.31286 1.53 ug/L > Ge 72 85327.433 0.676 85327.433 ug/L As 75 117117.463 1.139 1.231 60.45330 0.57 ug/L Se 77 11265.252 0.530 0.114 60.18001 0.61 ug/L Se 82 11513.970 1.355 0.137 59.95614 0.88 ug/L As-1 75 101420.292 0.747 101311.957 53.96055 0.75 ug/L Kr 83 4598.209 2.266 -249.465 ug/L Ag 107 535998.905 1.299 0.471 59.86664 1.08 ug/L Cd 111 143599.759 0.989 0.126 60.48456 0.86 ug/L Cd 114 333179.650 1.012 0.293 60.10136 1.05 ug/L In 115 1137078.616 0.221 1137078.616 ug/L Sb 121 470401.863 0.885 0.414 61.44969 0.78 ug/L Sb 123 360695.912 1.095 0.317 61.42522 1.04 ug/L Ba 135 133387.129 0.700 0.079 60.11399 1.28 ug/L Ba 137 231600.185 1.057 0.136 59.72438 1.86 ug/L Ho 165 1716860.276 1.422 0.003 ug/L > Tb 159 1697623.582 0.854 1697623.582 ug/L Hg 201 6098.440 3.111 0.004 4.98492 3.28 ug/L Hg 202 13814.293 1.098 0.008 4.91501 1.47 ug/L TI 205 1584725.151 1.304 0.933 60.25863 1.92 ug/L Pb 208 2163151.004 0.619 1.273 60.20877 0.67 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Friday, May 24, 2002 11:07:32 Page 1

NYC-WTC_000054448

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