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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 09:25:23 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 city\LFB 50+4 PPB.354 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 19661.435 0.335 0.344 49.21739 0.65 ug/L Li 6 57118.450 0.557 57118.450 ug/L Se-1 45 439970.323 1.882 439970.323 ug/L Cr 52 457947.908 2.395 1.024 49.40486 0.56 ug/L Cr 53 53898.557 2.111 0.121 49.24447 0.49 ug/L Mn 55 750014.417 1.255 1.703 49.54230 1.32 ug/L Co 59 536476.315 0.648 1.219 50.01068 1.86 ug/L Ni 60 109219.338 1.388 0.248 49.78388 1.33 ug/L Cu 63 233928.953 0.799 0.531 50.25257 2.25 ug/L Cu 65 112354.884 1.198 0.255 49.54389 2.46 ug/L Zn 66 74716.930 1.795 0.818 49.24535 1.46 ug/L Zn 67 13052.828 1.083 0.143 48.60643 0.85 ug/L Zn 68 55400.184 0.751 0.606 48.99033 0.68 ug/L Ge 72 90340.562 0.367 90340.562 ug/L As 75 104210.708 0.456 1.020 50.07308 0.89 ug/L Se 77 10218.762 0.336 0.096 50.66196 0.83 ug/L Se 82 10057.273 1.661 0.115 50.33677 1.75 ug/L As-1 75 88103.429 0.889 87993.760 46.86704 0.89 ug/L Kr 83 4802.650 0.777 -354.197 ug/L Ag 107 495676.523 0.319 0.410 52.11281 1.40 ug/L Cd 111 125247.936 1.579 0.104 49.73501 0.97 ug/L Cd 114 290713.148 1.568 0.241 49.43987 1.33 ug/L > In 115 1206077.812 1.084 1206077.812 ug/L Sb 121 404904.946 1.043 0.336 49.86713 0.36 ug/L Sb 123 307531.696 0.184 0.255 49.37652 0.90 ug/L Ba 135 115130.253 0.339 0.064 49.29963 1.75 ug/L Ba 137 200366.478 1.064 0.112 49.08836 1.58 ug/L Ho 165 1799542.748 1.377 -0.005 ug/L > Tb 159 1786725.299 1.462 1786725.299 ug/L Hg 201 5165.520 3.142 0.003 4.00833 4.29 ug/L Hg 202 11747.704 1.321 0.007 3.97133 2.22 ug/L TI 205 1354352.924 0.413 0.758 48.93555 1.70 ug/L Pb 208 1861343.110 0.649 1.041 49.21887 , 1.64 ug/L

Sample ID: LFB 50+4 PPB Report Date/Time: Friday, May 24, 2002 09:27:19 Page 1

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