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ICPMS daily performance check report, May 21, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Standard 1 Sample Date/Time: Tuesday, May 21, 2002 10:23:17 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\newyork city\Standard 1.204 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 11211.023 2.225 0.215 30.56793 3.28 ug/L Li 6 52175.255 3.269 52175.255 ug/L Sc-1 45 405502.286 2.724 405502.286 ug/L Cr 52 263237.526 2.974 0.634 29.72050 1.47 ug/L Cr 53 31349.958 2.148 0.076 29.96188 0.59 ug/L Mn 55 431678.771 2.664 1.062 29.92646 2.58 ug/L Co 59 310957.978 0.619 0.767 29.95367 2.60 ug/L Ni 60 64333.817 0.765 0.159 30.16002 1.96 ug/L Cu 63 144983.805 0.912 0.357 30.84825 1.95 ug/L Cu 65 71286.147 1.367 0.176 30.91493 1.37 ug/L Zn 66 46980.588 2.170 0.489 28.69200 2.57 ug/L Zn 67 8315.552 1.652 0.086 28.71709 2.67 ug/L Zn 68 35254.932 2.029 0.367 28.93529 2.05 ug/L > Ge 72 94589.630 2.085 94589.630 ug/L As 75 69407.785 1.239 0.599 29.01535 1.11 ug/L Se 77 6887.025 0.590 0.056 28.90005 2.08 ug/L Se 82 6192.353 0.862 0.067 29.03636 2.24 ug/L As-1 75 54777.431 1.229 54614.762 27.20285 1.23 ug/L Kr 83 4724.275 3.172 -47.025 ug/L Ag 107 309093.209 0.384 0.234 28.51227 1.03 ug/L Cd 111 81541.667 2.270 0.062 29.63576 1.17 ug/L Cd 114 191066.918 1.759 0.145 29.69311 0.61 ug/L > in 115 1320207.436 1.273 1320207.436 ug/L Sb 121 263637.590 0.904 0.200 29.47867 0.39 ug/L Sb 123 201750.585 0.814 0.153 29.43109 0.52 ug/L Ba 135 76745.043 1.279 0.040 28.67136 3.75 ug/L Ba 137 133947.132 1.843 0.070 28.69488 4.33 ug/L Ho 165 1960420.601 2.145 0.004 ug/L > Tb 159 1921145.997 2.481 1921145.997 ug/L Hg 201 3152.578 1.830 0.002 2.09668 3.83 ug/L Hg 202 6905.358 1.932 0.004 2.02528 4.48 ug/L TI 205 933694.376 1.101 0.486 30.01388 2.81 ug/L Pb 208 1270232.590 0.632 0.660 30.11740 3.07 ug/L

Sample ID: Standard 1 Report Date/Time: Tuesday, May 21,2002 10:25:14 Page 1

NYC-WTC_000053943

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