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ICPMS daily performance check report, April 15, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Standard 1 Sample Date/Time: Monday, April 15, 2002 09:16:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\Standard 1.489 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 13071.855 0.456 0.023 26.70063 1.19 ug/L > Se-1 45 571806.780 1.633 571806.780 ug/L Cr 52 306418.355 1.265 0.520 29.08606 0.61 ug/L Cr 53 37056.074 0.525 0.063 28.37642 1.59 ug/L Mn 55 463072.648 3.393 0.806 27.27596 2.13 ug/L Ni 60 77077.845 1.285 0.135 30.53709 1.48 ug/L Cu 63 183691.493 3.410 0.321 30.43219 1.81 ug/L Cu 65 87861.439 0.980 0.153 30.47314 0.74 ug/L Zn 66 59725.155 0.944 0.552 30.90566 3.10 ug/L Zn 67 10147.432 2.960 0.093 30.42303 1.10 ug/L Zn 68 44334.964 1.209 0.409 32.47099 3.71 ug/L > Ge 72 107151.149 3.939 107151.149 ug/L As 75 65549.070 0.644 0.612 31.12667 3.36 ug/L Se 77 10055.449 6.256 0.094 46.91648 4.55 ug/L Se 82 7680.321 2.773 0.071 32.09089 2.64 ug/L F Ag 107 360032.645 2.070 0.242 30.78541 3.87 ug/L Cd 111 89138.951 1.239 0.059 29.42231 0.66 ug/L Cd 114 222607.804 0.751 0.150 31.12283 1.74 ug/L > In 115 1482411.495 1.771 1482411.495 ug/L Sb 121 301226.133 1.404 0.203 29.12276 0.62 ug/L Sb 123 227811.960 1.330 0.154 29.51303 0.53 ug/L Ba 135 92617.023 1.147 0.047 32.31141 0.59 ug/L Ba 137 162298.686 2.262 0.082 32.50599 3.23 ug/L > Tb 159 1974694.255 1.558 1974694.255 ug/L Ho 165 1969002.130 0.204 0.141 ug/L TI 205 864207.044 1.352 0.437 32.02275 1.12 ug/L Pb 208 1134554.096 1.604 0.574 31.17294 1.04 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 Cr 52 Cr 53 Mn 55

Sample ID: Standard 1 Report Date/Time: Monday, April 15, 2002 09:18:09 Page 1

NYC-WTC_000040651

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