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ICPMS daily performance check report, April 22, 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_000040871–000040923

Folder label: “ICPMS 4/22/01

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08485 Sample Date/Time: Monday, April 22, 2002 13:06:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08485.508 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 r Be 9 10.667 28.641 -0.000 -0.00973 96.33 ug/L > Se-1 45 493533.051 1.555 493533.051 ug/L Cr 52 11892.559 0.618 0.008 0.41445 2.94 ug/L Cr 53 1505.140 2.785 0.001 0.60336 9.52 ug/L Mn 55 321603.451 1.269 0.648 22.39793 1.47 ug/L Ni 60 1274.102 2.202 0.002 0.43878 3.02 ug/L Cu 63 32332.054 1.200 0.064 5.88221 1.08 ug/L Cu 65 16018.260 0.840 0.032 5.88213 2.37 ug/L Zn 66 20527.359 1.775 0.208 12.42089 1.67 ug/L Zn 67 3395.335 0.474 0.034 11.10651 0.69 ug/L Zn 68 15510.710 1.090 0.157 12.49614 1.30 ug/L Ge 72 95513.767 0.649 95513.767 ug/L As 75 915.955 6.625 0.009 0.44184 7.55 ug/L Se 77 207.762 4.072 0.001 0.43424 12.80 ug/L Se 82 158.670 10.739 0.001 0.25718 33.26 ug/L Ag 107 229.005 4.921 -0.000 -0.03533 3.15 ug/L > In 115 1311923.821 0.622 1311923.821 ug/L Sb 121 511.019 0.678 0.000 0.05371 1.37 ug/L Sb 123 394.043 4.471 0.000 0.05377 5.46 ug/L ’ Ba 135 43979.231 0.582 0.024 16.59380 0.41 ug/L Ba 137 76177.609 0.853 0.042 16.53481 0.99 ug/L Ho 165 1780153.768 0.994 0.001 ug/L > Tb 159 1794997.158 0.524 1794997.158 ug/L Hg 201 48.334 7.266 -0.000 -0.01712 16.15 ug/L Hg 202 123.669 7.337 -0.000 -0.00390 93.37 ug/L TI 205 963.394 4.709 -0.000 -0.00480 38.27 ug/L Pb 208 16595.084 1.140 0.008 0.44280 1.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 116.294 Cr 52 Cr 53 Mn 55

Sample ID: AE08485 Report Date/Time: Monday, April 22, 2002 13:08:03 Page 1

NYC-WTC_000040906

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NYC-WTC_000040906Source: NYC Law Department, mirrored locally

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