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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 12:07:06 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.385 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 11736.023 2.049 0.205 29.33257 3.77 ug/L Li 6 57235.898 2.039 57235.898 ug/L > Se-1 45 410811.939 0.578 410811.939 ug/L Cr 52 261909.164 0.303 0.622 30.00136 0.85 ug/L Cr 53 31188.057 1.282 0.074 30.17518 1.84 ug/L Mn 55 425710.780 0.226 1.035 30.09220 0.75 ug/L Co 59 302020.532 0.972 0.735 30.14695 1.55 ug/L Ni 60 61032.543 2.441 0.148 29.78066 2.93 ug/L Cu 63 129568.150 1.014 0.315 29.78186 1.58 ug/L Cu 65 62377.565 0.631 0.152 29.43114 1.16 ug/L Zn 66 42703.832 1.145 0.503 30.29467 1.14 ug/L Zn 67 7642.288 1.659 0.090 30.55539 1.94 ug/L Zn 68 31986.829 0.539 0.377 30.47274 0.31 ug/L > Ge 72 83506.614 0.241 83506.614 ug/L As 75 64324.364 1.295 0.618 30.36015 1.91 ug/L Se 77 6398.761 0.624 0.058 30.34895 1.12 ug/L Se 82 5711.704 2.349 0.068 29.98539 2.55 ug/L As-1 75 49757.643 1.299 49649.642 26.44428 1.30 ug/L Kr 83 4651.236 1.225 -96.051 ug/L Ag 107 264921.968 0.326 0.237 30.08560 0.88 ug/L Cd 111 69756.302 0.427 0.062 29.88726 0.28 ug/L Cd 114 164232.423 1.301 0.147 30.13328 0.85 ug/L > In 115 1117767.181 0.627 1117767.181 ug/L Sb 121 227419.581 1.751 0.203 30.21750 1.19 ug/L Sb 123 175787.175 1.303 0.157 30.44974 0.86 ug/L Ba 135 65045.224 1.613 0.039 29.95937 1.42 ug/L Ba 137 112753.397 0.646 0.068 29.72080 1.47 ug/L Ho 165 1687713.588 1.143 -0.009 ug/L Tb 159 1660361.282 1.211 1660361.282 ug/L Hg 201 2524.709 0.891 0.001 2.09434 2.05 ug/L Hg 202 5678.830 1.741 0.003 2.05016 2.71 ug/L TI 205 776459.769 0.634 0.467 30.17719 0.84 ug/L Pb 208 1057860.853 0.642 0.636 30.08286, 0.66 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Friday, May 24, 2002 12:09:30 Page 1

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