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Water sample metal analysis results, April 15, 2002

Machine-extracted title · confidence 95%

Summary report of water sample analysis using Method 200.8 showing measured intensities and concentrations for various metals.

NYC-WTC_000040700–000040753

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Standard 2 Sample Date/Time: Monday, April 15,2002 12:47:25 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\Standard 2.521 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 27844.871 2.288 0.052 60.07409 4.85 ug/L > Se-1 45 534106.518 2.811 534106.518 ug/L Cr 52 596095.640 4.422 1.103 59.33352 6.68 ug/L Cr 53 70204.411 0.795 0.130 59.95620 2.98 ug/L Mn 55 994076.026 1.011 1.861 59.87512 3.19 ug/L Nl 60 143957.592 2.042 0.270 60.18148 4.68 ug/L Cu 63 332045.554 3.638 0.621 59.71848 1.70 ug/L Cu 65 163836.968 2.988 0.307 59.21777 5.65 ug/L Zn 66 105726.143 2.165 1.029 59.22981 1.58 ug/L Zn 67 19649.414 1.981 0.191 59.49816 3.41 ug/L Zn 68 76182.104 2.580 0.741 59.37233 3.97 ug/L > Ge 72 102177.428 1.409 102177.428 ug/L As 75 117866.250 2.966 1.154 59.58653 4.41 ug/L Se 77 13892.062 5.219 0.136 60.56130 3.94 ug/L Se 82 13465.433 0.137 0.131 60.13749 1.47 ug/L Ag 107 663255.876 2.156 0.471 60.04653 2.01 ug/L Cd 111 173558.257 1.923 0.123 60.11884 1.98 ug/L Cd 114 386687.091 0.686 0.276 60.04039 0.78 ug/L > In 115 1402425.243 0.319 1402425.243 ug/L Sb 121 559440.459 1.122 0.399 59.81568 1.32 ug/L Sb 123 427275.192 1.270 0.304 59.77056 1.09 ug/L Ba 135 169291.458 0.657 0.089 59.51699 1.12 ug/L Ba 137 288152.078 1.930 0.151 59.62810 2.20 ug/L > Tb 159 1905203.374 0.667 1905203.374 ug/L Ho 165 1842577.595 1.836 -0.075 ug/L n 205 1469088.414 3.200 0.770 59.77035 2.56 ug/L Pb 208 2059099.627 0.533 1.080 59.6547$ 1.05 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 Cr 52 Cr 53 Mn 55

Sample ID: Standard 2 Report Date/Time: Monday, April 15, 2002 12:49:12 Page 1

NYC-WTC_000040704

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