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ICPMS daily performance check report, April 11, 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_000040598–000040646

Folder label: “ICPMS 4/11/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE06795 Sample Date/Time: Thursday, April 11, 2002 13:29:26 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE06795.474 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 21373.658 2.978 0.047 54.01153 3.68 ug/L > Se-1 45 452790.102 1.177 452790.102 ug/L Cr 52 429013.376 1.775 0.932 51.88605 2.66 ug/L Cr 53 49427.499 0.396 0.108 49.07329 1.57 ug/L Mn 55 1395727.706 2.152 3.079 102.99223 3.25 ug/L NI 60 97955.577 3.209 0.216 49.53226 4.29 ug/L Cu 63 237043.510 1.609 0.523 49.88987 1.87 ug/L Cu 65 119238.427 2.648 0.263 52.60769 3.59 ug/L Zn 66 77254.984 0.758 0.863 49.47227 1.32 ug/L Zn 67 14535.426 2.079 0.162 53.50284 1.68 ug/L Zn 68 56891.384 1.447 0.636 51.79278 2.05 ug/L > Ge 72 88640.310 1.335 88640.310 ug/L As 75 92559.606 3.869 1.044 53.62057 4.37 ug/L Se 77 8363.596 1.441 0.093 54.81752 0.27 ug/L Se 82 10712.417 2.193 0.120 55.33714 3.44 ug/L Ag 107 432256.286 2.461 0.354 45.79291 2.38 ug/L Cd 111 123245.311 2.114 0.101 50.04023 1.93 ug/L Cd 114 274529.660 0.572 0.226 47.45420 0.35 ug/L > in 115 1215463.616 0.230 1215463.616 ug/L Sb 121 426083.529 0.625 0.350 50.33128 0.84 ug/L Sb 123 330086.373 2.478 0.272 52.23103 2.49 ug/L Ba 135 192047.433 2.043 0.113 78.75295 2.18 ug/L Ba 137 326059.202 3.022 0.192 77.63279 3.35 ug/L Tb 159 1697716.310 0.374 1697716.310 ug/L Ho 165 1666740.497 2.870 0.021 ug/L TI 205 1057714.169 0.854 0.622 46.23015 0.75 ug/L Pb 208 1484695.608 0.406 0.874 47.94490 0.77 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 108.032 > Se-1 45 95.436 Cr 52 101.136 Cr 53 95.549 Mn 55 102.000

Sample ID: AE06795 Report Date/Time: Thursday, April 11, 2002 13:32:02 Page 1

NYC-WTC_000040619

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NYC-WTC_000040619Source: NYC Law Department, mirrored locally

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