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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: AE08429 Sample Date/Time: Tuesday, April 16, 2002 15:16:41 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08429.593 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 8.333 79.900 -0.000 -0.00923 176.34 ug/L > Se-1 45 495713.545 3.381 495713.545 ug/L Cr 52 12243.363 1.700 0.008 0.40343 15.76 ug/L Cr 53 1365.450 1.832 0.001 0.61641 6.01 ug/L Mn 55 189611.621 0.862 0.380 12.39780 4.17 ug/L Ni 60 935.391 4.126 0.002 0.36876 7.37 ug/L Cu 63 7141.543 1.889 0.014 1.31270 3.65 ug/L Cu 65 3699.790 3.901 0.007 1.29616 7.51 ug/L Zn 66 4964.738 0.713 0.047 2.58953 1.16 ug/L Zn 67 991.397 1.973 0.009 2.76294 2.58 ug/L Zn 68 4199.012 3.755 0.040 3.00883 2.34 ug/L Ge 72 94966.827 1.736 94966.827 ug/L As 75 548.199 13.395 0.006 0.26570 15.83 ug/L Se 77 160.424 5.297 0.001 0.33352 17.14 ug/L Se 82 126.335 8.239 0.000 0.10444 40.24 ug/L Ag 107 462.350 15.466 0.000 0.00836 92.32 ug/L Cd 111 917.584 0.515 -0.000 -0.03697 20.15 ug/L Cd 114 112.385 9.548 -0.000 -0.00407 48.03 ug/L > In 115 1255837.256 2.131 1255837.256 ug/L Sb 121 503.352 3.218 0.000 0.05541 5.35 ug/L Sb 123 408.317 4.876 0.000 0.05507 4.27 ug/L Ba 135 40261.363 0.843 0.024 15.92019 1.06 ug/L Ba 137 72561.154 0.198 0.043 16.23707 0.22 ug/L > Tb 159 1671072.438 0.216 1671072.438 ug/L Ho 165 1707069.828 1.238 0.045 ug/L TI 205 1144.751 9.398 -0.000 -0.02035 23.59 ug/L Pb 208 3462.953 1.198 0.001 0.04328 3.66 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 101.428 Cr 52 Cr 53 Mn 55

Sample ID: AE08429 Report Date/Time: Tuesday, April 16, 2002 15:18:28 Page 1

NYC-WTC_000040850

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NYC-WTC_000040850Source: NYC Law Department, mirrored locally

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