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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: CCV STD1 30+2 PPB Sample Date/Time: Friday, May 24, 2002 11:01:30 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\CCV STD1 30+2 PPB .370 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 11747.703 0.974 0.208 29.68270 1.11 ug/L _> Li 6 56588.497 1.364 56588.497 ug/L > Se-1 45 415789.361 1.139 415789.361 ug/L Cr 52 267388.618 1.137 0.627 30.25672 1.30 ug/L Cr 53 31858.719 1.454 0.076 30.70306 0.76 ug/L Mn 55 433111.480 0.383 1.039 30.23421 1.18 ug/L Co 59 305820.523 1.428 0.735 30.15732 1.56 ug/L Ni 60 61791.277 1.711 0.149 29.78787 1.00 ug/L Cu 63 133029.933 0.506 0.319 30.21706 1.61 ug/L Cu 65 64913.293 1.785 0.156 30.26098 1.91 ug/L Zn 66 44456.214 0.602 0.510 30.68273 1.82 ug/L Zn 67 7835.120 0.708 0.090 30.55924 1.94 ug/L Zn 68 32619.075 0.449 0.374 30.23799 1.43 ug/L Ge 72 85848.363 1.584 85848.363 ug/L As 75 65673.819 0.656 0.624 30.62878 2.56 ug/L Se 77 6520.107 2.253 0.058 30.65877 3.23 ug/L Se 82 5850.233 3.230 0.070 30.67168 4.54 ug/L As-1 75 51031.339 0.230 50923.004 27.12250 . 0.23 ug/L Kr 83 4771.300 1.579 -76.374 ug/L Ag 107 274605.745 1.049 0.238 30.23816 1.26 ug/L Cd 111 71035.595 2.355 0.062 29.50551 2.12 ug/L Cd 114 168160.358 1.198 0.146 29.91460 0.94 ug/L In 115 1152834.858 0.268 1152834.858 ug/L Sb 121 234279.428 0.622 0.203 30.18415 0.66 ug/L Sb 123 178973.202 1.348 0.155 30.06006 1.18 ug/L Ba 135 66484.226 0.673 0.039 29.66346 1.57 ug/L Ba 137 116148.423 0.258 0.068 29.65301 1.13 ug/L Ho 165 1733314.440 1.222 0.003 ug/L Tb 159 1714292.146 1.258 1714292.146 ug/L Hg 201 2584.727 0.183 0.001 2.07401 1.11 ug/L Hg 202 5910.647 1.047 0.003 2.06607 1.68 ug/L n 205 799467.986 0.721 0.466 30.09369 1.37 ug/L Pb 208 1077530.150 0.768 0.628 29.68066 ' 1.57 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Friday, May 24, 2002 11:03:58 Page 1

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