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ICPMS daily performance check report, April 10, 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_000040452–000040596

Folder label: “ICPMS 4/10/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08069 Sample Date/Time: Wednesday, April 10,2002 14:02:58 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08069.486 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 11.667 34.641 0.000 0.01084 99.99 ug/L Se-1 45 412092.303 0.543 412092.303 ug/L Cr 52 7578.233 0.192 0.005 0.25411 2.86 ug/L Cr 53 1544.813 0.845 0.002 1.01230 0.70 ug/L Mn 55 230697.632 1.663 0.555 18.83942 1.13 ug/L Ni 60 771.374 0.613 0.002 0.39552 1.02 ug/L Cu 63 31614.532 1.419 0.075 7.12986 0.93 ug/L Cu 65 15497.024 2.441 0.037 7.24384 2.96 ug/L Zn 66 9254.135 1.943 0.107 6.19726 1.90 ug/L Zn 67 1639.831 4.892 0.019 6.13071 4.64 ug/L Zn 68 7102.180 3.607 0.082 6.47416 3.19 ug/L > Ge 72 80105.186 0.676 80105.186 ug/L As 75 858.023 3.537 0.008 0.37453 4.15 ug/L Se 77 187.670 5.175 0.001 0.57124 12.25 ug/L Se 82 161.336 7.447 -0.000 -0.00701 879.08 ug/L Ag 107 87.001 10.216 -0.001 -0.06304 1.45 ug/L In 115 1112113.455 0.943 1112113.455 ug/L Sb 121 427.014 3.450 0.000 0.05200 4.22 ug/L Sb 123 354.321 6.381 0.000 0.05625 7.39 ug/L Ba 135 35275.665 1.078 0.023 15.21825 2.30 ug/L Ba 137 61452.298 1.138 0.040 15.21240 2.55 ug/L Ho 165 1532874.531 0.303 0.130 ug/L > Tb 159 1548761.282 1.568 1548761.282 ug/L TI 205 362.011 6.372 -0.000 -0.01603 7.76 ug/L Pb 208 8872.119 1.458 0.005 0.25030 3.71 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 73.252 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE08069 Report Date/Time: Wednesday, April 10, 2002 14:04:32 Page 1

NYC-WTC_000040587

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NYC-WTC_000040587Source: NYC Law Department, mirrored locally

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