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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE09093 Sample Date/Time: Friday, May 03, 2002 15:26:21 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\AE09093.747 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 12.333 12.385 0.000' 0.00783 52.85 ug/L > Se-1 45 455864.828 2.807 455864.828 ug/L Cr 52 8710.595 3.345 0.003 0.16497 34.95 ug/L Cr 53 1187.756 0.900 0.001 0.48170 4.32 ug/L Mn 55 258553.892 0.768 0.563 16.83651 2.82 ug/L Ni 60 914.055 6.068 0.002 0.33656 11.17 ug/L Cu 63 9963.557 1.288 0.021 2.13188 1.93 ug/L Cu 65 4910.377 5.105 0.010 2.08566 8.19 ug/L Zn 66 4232.028 2.468 0.032 1.90873 3.51 ug/L Zn 67 859.716 1.647 0.006 2.10395 2.61 ug/L Zn 68 3497.041 2.008 0.027 2.15826 2.22 ug/L > Ge 72 96780.393 0.330 96780.393 ug/L As 75 8193.758 0.692 0.008 0.40178 10.03 ug/L Se 77 1065.263 2.936 0.001 0.47800 38.15 ug/L Se 82 2948.841 0.911 0.001 0.69118 20.63 ug/L Ag 107 102.668 6.485 -0.000 -0.02258 1.95 ug/L Cd 111 63.334 14.327 0.000 0.00354 86.55 ug/L Cd 114 128.732 14.852 0.000 0.00028 1108.49 ug/L > In 115 1217754.868 2.435 1217754.868 ug/L Sb 121 420.014 8.085 0.000 0.04697 6.28 ug/L Sb 123 321.822 5.344 0.000 0.04608 3.51 ug/L Ba 135 38263.422 1.833 0.022 14.97955 0.72 ug/L Ba 137 65993.339 0.999 0.037 15.27989 1.79 ug/L Ho 165 1683457.515 0.980 0.004 ug/L > Tb 159 1762832.078 1.161 1762832.078 ug/L Hg 201 33.667 16.359 -0.000 -0.02181 19.43 ug/L Hg 202 67.001 5.970 -0.000 -0.01308 11.72 ug/L TI 205 348.010 7.652 -0.000 -0.01196 9.10 ug/L Pb 208 5376.019 1.814 0.002 0.09925 1.03 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 74.378 Cr 52

Sample ID: AE09093 Report Date/Time: Friday, May 03, 2002 15:28:08 Page 1

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