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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: LRB Sample Date/Time: Tuesday, April 09,2002 12:32:59 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\LRB.372 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 r Be 9 10.000 0.000 0.000 0.00243 4.82 ug/L > Se-1 45 534271.562 0.587 534271.562 ug/L Cr 52 7731.364 0.695 0.000 0.00934 108.85 ug/L Cr 53 665.031 10.949 -0.000 -0.02756 242.63 ug/L Mn 55 999.065 2.527 -0.000 -0.00004 4114.63 ug/L Ni 60 50.001 2.000 0.000 0.00023 158.51 ug/L Cu 63 297.675 4.201 0.000 0.00581 44.13 ug/L Cu 65 157.003 5.096 0.000 0.00246 125.32 ug/L Zn 66 463.016 4.982 0.000 0.00280 573.73 ug/L Zn 67 123.335 1.873 0.000 0.00437 65.13 ug/L Zn 68 371.345 3.715 0.000 0.01137 62.16 ug/L > Ge 72 100608.706 1.207 100608.706 ug/L As 75 307.917 2.905 0.000 0.00054 1012.52 ug/L Se 77 125.335 4.875 -0.000 -0.06622 62.52 ug/L Se 82 198.337 7.243 0.000 0.02999 203.71 ug/L Ag 107 1367.450 2.395 -0.000 -0.00359 102.45 ug/L in 115 1403377.045 1.766 1403377.045 ug/L Sb 121 83.335 7.332 0.000 0.00102 48.20 ug/L Sb 123 71.565 6.199 0.000 0.00192 35.23 ug/L Ba 135. 71.334 9.334 -0.000 -0.00310 87.53 ug/L Ba 137 117.002 3.082 0.000 0.00114 43.12 ug/L Ho 165 1903744.958 2.008 0.000 ug/L > Tb 159 1903014.368 1.627 1903014.368 ug/L Tl 205 513.353 1.436 -0.000 -0.00297 3.13 ug/L Pb 208 1652.076 5.772 -0.000 -0.00247 79.21 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Se-1 45 97.587 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: LRB Report Date/Time: Tuesday, April 09,2002 12:35:06 Page 1

NYC-WTC_000040357

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NYC-WTC_000040357Source: NYC Law Department, mirrored locally

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