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ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

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: AE10810 Sample Date/Time: Tuesday, May 21,2002 12:59:48 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\AE1 0810.238 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 7.667 15.061 0.000 0.00087 438.96 ug/L Li 6 46918.599 2.091 46918.599 ug/L > Sc-1 45 356964.273 1.574 356964.273 ug/L Cr 52 6214.185 0.832 0.002 0.09025 15.88 ug/L Cr 53 1122.414 2.190 0.002 0.62937 7.35 ug/L Mn 55 257086.762 1.811 0.717 20.15328 2.21 ug/L Co 59 285.341 5.388 0.001 0.02139 9.07 ug/L Ni 60 656.697 3.573 0.002 0.32504 2.70 ug/L Cu 63 33165.386 0.635 0.092 7.77091 2.11 ug/L Cu 65 16300.104 2.812 0.045 7.75866 1.49 ug/L Zn 66 6782.933 3.371 0.074 4.49460 7.82 ug/L Zn 67 1143.750 0.527 0.012 4.17050 4.78 ug/L Zn 68 5371.975 3.191 0.059 4.81245 2.40 ug/L Ge 72 82795.819 3.687 82795.819 ug/L As 75 12059.400 2.633 0.011 0.53216 85.81 ug/L Se 77 1482.179 3.280 0.001 0.48368 138.05 ug/L Se 82 -137.981 94.890 -0.001 -0.26535 260.33 ug/L As-1 75 813.045 4.925 650.375 0.36105 6.16 ug/L Kr 83 4400.442 0.921 - -370.858 ug/L Ag 107 118.335 3.199 -0.000 -0.03090 1.89 ug/L Cd 111 56.001 16.071 -0.000 -0.00536 72.74 ug/L Cd 114 117.667 16.607 -0.000 -0.00461 67.37 ug/L > In 115 1174158.383 1.735 1174158.383 ug/L Sb 121 432.015 0.802 0,000 0.05037 2.05 ug/L Sb 123 340.035 7.045 0.000 0.05063 7.70 ug/L Ba 135 38793.317 0.669 0.022 16.83995 0.85 ug/L Ba 137 68102.487 0.637 0.038 16.98472 1.81 ug/L Ho 165 1805046.231 0.526 0.001 ug/L Tb 159 1775373.873 1.236 1775373.873 ug/L Hg 201 36.667 17.745 -0.000 -0.00727 64.70 ug/L Hg 202 75.334 12.045 -0.000 -0.00097 293.24 ug/L TI 205 818.712 9.511 -0.000 -0.00339 81.69 ug/L Pb 208 9535.398 0.427 0.004 0.20234 1.34 ug/L

Sample ID: AE10810 Report Date/Time: Tuesday, May 21, 2002 13:01:44 Page 1

NYC-WTC_000054045

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