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← Document results/DEP Box 63/20 April 4, 2002 NEWQ AE05965 - AE06336
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Water metal analysis results, April 4, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated April 4, 2002.

NYC-WTC_000078151–000078232

Folder label: “20 April 4, 2002 NEWQ AE05965 - AE06336

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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 PPB Sample Date/Time: Thursday, April 04, 2002 12:32:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\LFB 50 PPB.207 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 22918.754 1.573 0.045 50.13905 3.33 ug/L i>Se-I 45 505271.022 2.326 505271.022 ug/L I Cr 52 483012.878 3.726 0.941 49.33230 2.22 ug/L I Cr 53 55647.537 4.067 0.109 47.13831 4.90 ug/L I Mn 55 720283.040 0.116 1.424 44.71971 2.23 ug/L I Ni 60 112998.440 0.995 0.224 44.93138 3.28 ug/L I Cu 63 259335.090 4.385 0.513 44.64946 3.72 ug/L L Cu 65 128830.020 2.313 0.255 44.89287 3.77 ug/L r Zn 66 85321.990 3.301 0.896 49.22395 6.80 ug/L I Zn 67 15107.039 3.995 0.158 49.93980 4.54 ug/L I Zn 68 64492.267 0.701 0.677 51.80782 4.47 ug/L i> Ge 72 94852.721 3.958 94852.721 ug/L I As 75 99433.655 3.104 1.047 50.03248 4.88 ug/L I Se 77 8083.682 5.981 0.084 48.68983 7.24 ug/L L Se 82 10738.448 2.323 0.112 45.78075 6.39 ug/L r Ag 107 528360.113 2.273 0.396 49.00920 2.97 ug/L l> In 115 1331832.111 2.545 1331832.111 ug/L I Sb 121 480940.044 2.486 0.361 54.18237 1.35 ug/L L Sb 123 369961.272 0.921 0.278 54.77521 1.72 ug/L r Ba 135 136633.551 4.004 0.077 53.21567 4.33 ug/L I Ba 137 234987.732 1.500 0.133 51.47633 2.20 ug/L I: Ho 165 1768680.677 1.339 1768680.677 ug/L I Tl 205 1229904.259 2.992 0.695 51.45190 1.96 ug/L L Pb 208 1661538.060 3.801 0.938 52.00412 3.43 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Se-I 45 98.062 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: LFB 50 PPB Report Date/Time: Thursday, April 04, 2002 12:41:42 Page 1

NYC-WTC_000078165

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