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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: AE08761 Sample Date/Time: Friday, May 03, 2002 12:26:01 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\new york cit\AE08761.732 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 53.299 0.000 ' 0.00035 3142.04 ug/L Se-1 45 520355.960 3.347 520355.960 ug/L Cr 52 11628.224 4.284 0.007 0.32392 25.50 ug/L Cr 53 2979.852 2.804 0.004 1.77984 1.04 ug/L Mn 55 856126.882 2.112 1.643 49.12681 5.37 ug/L Ni 60 2699.428 3.298 0.005 1.01569 6.92 ug/L Cu 63 9294.512 3.478 0.017 1.72865 4.45 ug/L Cu 65 3865.861 4.186 0.007 1.41691 7.96 ug/L Zn 66 2103.598 2.952 0.009 0.52784 8.48 ug/L Zn 67 704.701 2.205 0.004 1.42136 4.23 ug/L Zn 68 2530.711 0.831 0.016 1.23233 2.98 ug/L > Ge 72 103653.650 1.073 103653.650 ug/L As 75 8393.574 1.583 0.004 0.21997 48.30 ug/L Se 77 1227.848 2.867 0.002 0.94349 25.70 ug/L Se 82 3004.527 2.001 0.000 0.00089 45971.65 ug/L Ag 107 361.678 18.713 0.000 0.00337 172.29 ug/L Cd 111 55.334 16.792 -0.000 -0.00013 2274.04 ug/L Cd 114 127.529 8.636 -0.000 -0.00042 311.82 ug/L > In 115 1245253.964 2.733 1245253.964 ug/L Sb 121 622.361 4.920 0.000 0.07007 2.30 ug/L Sb 123 466.872 7.098 0.000 0.06779 5.17 ug/L Ba 135 73862.434 3.052 0.041 28.38712 0.69 ug/L Ba 137 128976.762 0.120 0.072 29.32575 2.60 ug/L Ho 165 1730876.840 1.880 0.012 ug/L > Tb 159 1796719.345 2.534 1796719.345 ug/L Hg 201 63.001 19.048 0.000 0.00158 566.06 ug/L Hg 202 138.336 11.930 0.000 0.01166 45.67 ug/L TI 205 664.364 7.557 0.000 0.00042 334.97 ug/L Pb 208 4091.737 2.668 0.001 0.05992 2.04 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 84.900 Cr 52

Sample ID: AE08761 Report Date/Time: Friday, May 03, 2002 12:27:48 Page 1

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