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ICPMS daily performance check report, April 16, 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_000040755–000040869

Folder label: “ICPMS 4/16/02”

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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 CAL BK Sample Date/Time: Tuesday, April 16, 2002 14:30:15 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\CCV CAL BK.584 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 9.333 22.304 -0.000 -0.00821 56.83 ug/L > Se-1 45 526107.049 1.041 526107.049 ug/L Cr 52 8267.843 3.138 -0.001 -0.06535 30.45 ug/L Cr 53 753.372 5.162 0.000 0.03410 98.99 ug/L Mn 55 808.044 4.871 -0.001 -0.02905 6.80 ug/L Ni 60 53.334 17.821 0.000 0.00179 214.50 ug/L Cu 63 276.007 3.568 -0.000 -0.00165 136.10 ug/L Cu 65 143.669 5.920 -0.000 -0.00464 56.99 ug/L Zn 66 591.025 6.724 0.000 0.02157 103.73 ug/L Zn 67 116.669 7.188 -0.000 -0.07474 33.69 ug/L Zn 68 435.681 6.811 0.000 0.00979 232.18 ug/L > Ge 72 100475.189 0.192 100475.189 ug/L As 75 -6.015 883.739 -0.000 -0.01291 195.62 ug/L Se 77 113.342 13.278 0.000 0.03521 223.21 ug/L Se 82 99.335 16.181 -0.000 -0.04573 152.89 ug/L Ag 107 307.008 8.765 -0.000 -0.00933 24.37 ug/L Cd 111 1123.632 1.048 0.000 0.00226 180.17 ug/L Cd 114 166.686 14.542 0.000 0.00248 148.26 ug/L > In 115 1383423.600 0.448 1383423.600 ug/L Sb 121 48.667 6.278 0.000 0.00087 38.24 ug/L Sb 123 35.443 10.773 -0.000 -0.00077 65.84 ug/L Ba 135 58.334 7.137 -0.000 -0.00014 1076.21 ug/L Ba 137 83.668 7.684 -0.000 -0.00079 164.09 ug/L > Tb 159 1792443.888 0.711 1792443.888 ug/L Ho 165 1861110.321 1.357 0.062 ug/L TI 205 1563.817 4.778 -0.000 -0.00604 53.88 ug/L Pb 208 2201.793 3.471 -0.000 -0.00274 72.70 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Se-1 45 107.647 Cr 52 Cr 53 Mn 55

Sample ID: CCV CAL BK Report Date/Time: Tuesday, April 16,2002 14:32:35 Page 1

NYC-WTC_000040832

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NYC-WTC_000040832Source: NYC Law Department, mirrored locally

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