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ICPMS daily performance check report, April 15, 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_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07376 Sample Date/Time: Monday, April 15, 2002 10:48:13 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\AE07376.509 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 10.333 29.565 0.000 0.00430 179.34 ug/L Se-1 45 541846.718 1.897 541846.718 ug/L Cr 52 9339.225 3.299 0.001 0.06532 76.61 ug/L Cr 53 1624.162 5.450 0.001 0.47186 21.76 ug/L Mn 55 266553.246 1.090 0.488 17.28163 1.08 ug/L Ni 60 1103.745 4.021 0.002 0.43572 6.23 ug/L Cu 63 6749.239 1.601 0.012 1.12021 2.18 ug/L Cu 65 3407.673 3.145 0.006 1.16682 5.29 ug/L Zn 66 3401.671 3.251 0.025 1.41563 2.54 ug/L Zn 67 849.048 5.832 0.006 2.03249 5.34 ug/L Zn 68 3168.251 3.101 0.024 1.91080 4.57 ug/L > Ge 72 107783.036 1.678 107783.036 ug/L As 75 644.674 17.493 0.006 0.28663 19.65 ug/L Se 77 17.632 302.537 0.000 0.05383 328.75 ug/L Se 82 146.336 3.764 0.000 0.10916 25.15 ug/L Ag 107 179.337 15.696 -0.001 -0.06724 3.48 ug/L Cd 111 1107.298 0.419 -0.000 -0.04827 3.96 ug/L Cd 114 231.306 13.935 0.000 0.01411 32.72 ug/L > In 115 1477139.617 0.112 1477139.617 ug/L Sb 121 515.353 2.533 0.000 0.04693 2.85 ug/L Sb 123 402.614 1.434 0.000 0.04912 1.72 ug/L Ba 135 45806.247 1.257 0.023 14.96540 2.25 ug/L Ba 137 77393.870 1.613 0.039 14.57286 2.33 ug/L Tb 159 1968802.329 1.022 1968802.329 ug/L Ho 165 1869966.202 7.377 0.093 ug/L TI 205 1638.498 10.652 -0.000 -0.01887 35.99 ug/L Pb 208 5460.034 2.001 0.002 0.09494 3.86 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 92.131 Cr 52 Cr 53 Mn 55

Sample ID: AE07376 Report Date/Time: Monday, April 15, 2002 10:50:00 Page 1

NYC-WTC_000040691

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NYC-WTC_000040691Source: NYC Law Department, mirrored locally

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