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ICPMS daily performance check report, May 24, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LFB 50+4 PPB Sample Date/Time: Friday, May 24, 2002 12:14:10 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 cityLFB 50+4 PPB.387 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 19058.146 0.379 0.345 49.37653 1.10 ug/L Li 6 55199.304 1.006 55199.304 ug/L Se-1 45 404958.898 0.652 404958.898 ug/L Cr 52 422884.148 1.406 1.029 49.61940 1.81 ug/L Cr 53 50159.163 0.142 0.122 49.66016 0.77 ug/L Mn 55 691235.521 0.459 1.705 49.59920 0.19 ug/L Co 59 486263.607 1.160 1.201 49.24631 1.64 ug/L Ni 60 98075.600 1.646 0.242 48.55919 1.91 ug/L Cu 63 210625.838 1.567 0.520 49.14825 2.18 ug/L Cu 65 101834.239 1.047 0.251 48.77693 1.53 ug/L Zn 66 67510.755 0.400 0.814 49.00026 0.56 ug/L Zn 67 12010.383 1.631 0.144 49.21319 1.36 ug/L Zn 68 50682.409 1.351 0.611 49.39805 1.61 ug/L > Ge 72 82119.383 0.300 82119.383 ug/L As 75 96520.638 2.115 1.023 50.25217 2.68 ug/L Se 77 9447.664 1.302 0.096 50.58014 1.82 ug/L Se 82 9320.211 0.210 0.113 49.76717 y 0.10 ug/L As-1 75 80653.398 1.700 80545.396 42.89991 1-70 ug/L Kr 83 4655.905 1.758 -91.382 V ug/L Ag 107 450707.275 0.927 0.408 51.79068 1.04 ug/L Cd 111 113237.724 0.981 0.102 49.07560 0.92 ug/L Cd 114 267589.473 0.372 0.242 49.66395 0.12 ug/L > In 115 1105139.396 0.339 1105139.396 ug/L Sb 121 372986.984 1.098 0.337 50.13235 1.38 ug/L Sb 123 282690.308 0.866 0.256 49.53198 1.20 ug/L Ba 135 105136.891 1.124 0.064 49.06729 0.89 ug/L Ba 137 183265.711 0.830 0.112 48.94064 0.47 ug/L Ho 165 1656437.111 0.573 -0.015 ug/L > Tb 159 1639023.558 0.446 1639023.558 ug/L Hg 201 4711.268 1.414 0.003 3.98440 1.12 ug/L Hg 202 10659.019 1.432 0.006 3.92270 1.36 ug/L TI 205 1246332.822 0.565 0.760 49.08002 0.93 ug/L Pb 208 1704035.439 0.132 1.039 49.11576 0.44 ug/L

Sample ID: LFB 50+4 PPB Report Date/Time: Friday, May 24, 2002 12:16:27 Page 1

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