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Water sample metal analysis results, April 9, 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_000040341–000040450

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

E0699 - /£04-3

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Blank Sample Date/Time: Tuesday, April 09, 2002 12:03:00 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\Blank.364 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 9.000 40.062 ug/L Sc-1 45 547482.095 0.397 ug/L Cr 52 7830.116 1.138 ug/L Cr 53 714.035 3.396 ug/L Mn 55 1024.401 3.137 ug/L Ni 60 50.667 22.184 ug/L Cu 63 272.007 5.340 ug/L Cu 65 154.003 15.625 ug/L Zn 66 464.683 1.433 ug/L Zn 67 123.669 11.615 ug/L Zn 68 361.344 6.373 ug/L Ge 72 102012.263 1.502 ug/L As 75 311.156 25.905 ug/L Se 77 138.669 7.295 ug/L Se 82 194.004 9.406 ug/L Ag 107 1414.458 7.253 ug/L > In 115 1409407.771 0.946 ug/L Sb 121 74.001 8.861 ug/L Sb 123 57.904 4.749 ug/L Ba 135 80.334 0.719 ug/L Ba 137 111.668 14.282 ug/L Ho 165 1908374.354 0.932 ug/L > Tb 159 1908232.857 0.269 ug/L TI 205 592.692 2.627 ug/L Pb 208 1743.416 0.947 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 Ni 60 Cu 63

Sample ID: Blank Report Date/Time: Tuesday, April 09,2002 12:04:34 Page 1

NYC-WTC_000040341

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NYC-WTC_000040341Source: NYC Law Department, mirrored locally

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