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Water sample metal analysis results, April 9, 2002

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

NYC-WTC_000040341–000040450

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE07171 Sample Date/Time: Tuesday, April 09, 2002 13:31:09 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE07171.389 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 25200.469 1.241 0.049 51.98651 2.98 ug/L > Se-1 45 516099.503 2.308 516099.503 ug/L Cr 52 461868.773 1.980 0.881 48.51335 1.44 ug/L Cr 53 54262.372 1.873 0.104 48.54023 3.70 ug/L Mn 55 971913.494 0.951 1.882 64.20345 2.34 ug/L Ni 60 111911.779 1.024 0.217 47.14938 3.20 ug/L Cu 63 264579.105 1.568 0.512 49.28628 3.88 ug/L Cu 65 130491.550 0.923 0.253 49.24966 3.22 ug/L Zn 66 90475.249 0.956 0.908 51.57002 1.04 ug/L Zn 67 15958.489 1.117 0.160 51.57890 1.19 ug/L Zn 68 66872.069 1.039 0.671 51.51470 2.05 ug/L > Ge 72 99186.851 1.086 99186.851 ug/L As 75 102319.827 1.150 1.029 50.96138 0.06 ug/L Se 77 9278.493 1.915 0.092 53.96124 2.29 ug/L Se 82 12350.178 2.810 0.123 52.82705 3.40 ug/L Ag 107 507623.493 2.233 0.375 46.46152 0.73 ug/L > In 115 1350341.052 2.010 1350341.052 ug/L Sb 121 460391.428 0.707 0.341 51.09096 1.69 ug/L Sb 123 352696.486 1.193 0.261 50.56550 1.49 ug/L Ba 135 169882.273 1.756 0.094 63.59359 0.78 ug/L Ba 137 292773.399 0.747 0.162 62.43687 1.69 ug/L Ho 165 1790803.449 1.377 -0.011 ug/L > Tb 159 1810680.941 2.248 1810680.941 ug/L Tl 205 1207802.296 1.051 0.667 48.45920 2.46 ug/L Pb 208 1643023.845 0.535 0.907 48.85411 2.46 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 103.951 > Sc-1 45 94.268 Cr 52 96.380 Cr 53 95.991 Mn 55 94.207 Ni 60 93.667 Cu 63 95.661

Sample ID: AE07171 Report Date/Time: Tuesday, April 09, 2002 13:32:44 Page 1

NYC-WTC_000040391

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