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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: AE08252 Sample Date/Time: Tuesday, April 16, 2002 13:13:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE08252.580 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 12.000 36.324 -0.000 -0.00106 976.58 ug/L Se-1 45 506727.896 0.650 506727.896 ug/L Cr 52 10686.386 1.973 0.004 0.21431 11.59 ug/L Cr 53 1616.160 2.841 0.002 0.80716 5.91 ug/L Mn 55 792668.969 2.353 1.562 50.90185 2.60 ug/L Ni 60 2237.631 3.415 0,004 0.88721 3.82 ug/L Cu 63 155532.273 1.580 0.306 28.99019 1.61 ug/L Cu 65 71956.397 1.228 0.142 25.59299 1.43 ug/L Zn 66 104689.830 1.658 1.051 58.16608 2.73 ug/L Zn 67 15661.646 3.417 0.157 47.89126 3.00 ug/L Zn 68 71287.164 1.537 0.715 53.80711 3.24 ug/L > Ge 72 99112.097 1.659 99112.097 ug/L As 75 586.450 12.625 0.006 0.27181 11.75 ug/L Se 77 165.812 10.803 0.001 0.32418 27.97 ug/L Se 82 133.669 4.120 0.000 0.11267 15.83 ug/L F Ag 107 505.353 17.223 0.000 0.01120 64.05 ug/L Cd 111 1250.742 1.282 0.000 0.08050 19.74 ug/L Cd 114 919.826 1.369 0.001 0.12856 1.79 ug/L > In 115 1284124.566 2.409 1284124.566 ug/L Sb 121 625.694 3.198 0.000 0.06829 4.07 ug/L Sb 123 443.198 4.104 0.000 0.05879 2.38 ug/L Ba 135 48637.656 2.964 0.028 18.51676 0.91 ug/L Ba 137 82607.814 1.153 0.048 17.80616 3.24 ug/L > Tb 159 1735766.444 2.164 1735766.444 ug/L Ho 165 1626796.760 1.245 -0.039 ug/L TI 205 1366.117 7.176 -0.000 -0.01261 23.95 ug/L Pb 208 88359.906 0.846 0.050 2.70608 1.52 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 103.681 Cr 52 Cr 53 Mn 55

Sample ID: AE08252 Report Date/Time: Tuesday, April 16, 2002 13:15:09 Page 1

NYC-WTC_000040824

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NYC-WTC_000040824Source: NYC Law Department, mirrored locally

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