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Method 200.8 Water Analysis Summary Report, Jan 24, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on January 24, 2002.

NYC-WTC_000076077–000076186

Folder label: “NEWQ Jan 24, 2002 AE01436 - AE01693

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: LFB 50 PPB Sample Date/Time: Thursday, January 24, 2002 12:24:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\daily performance\LFB 50 PPB.2514 Sample Prep Volume (mL): Initial Sample Quantity (mg): 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 30866.961 1.287 0.041 50.35016 1.22 ug/L 1> Sc-1 45 754812.787 0.767 754812.787 ug/L 1 Cr 52 688480.992 0.746 0.897 49.44940 1.54 ug/L I Cr 53 79775.698 1.751 0.105 50.48017 1.07 ug/L I Mn 55 1091601.724 0.950 1.445 50.89182 1.08 ug/L 1 Ni 60 175180.292 1.172 0.231 50.40503 0.62 ug/L 1 Cu 63 405590.547 1.063 0.534 50.94365 0.75 ug/L L Cu 65 198116.790 0.115 0.261 50.59044 0.70 ug/L r Zn 66 140505.266 0.994 1.036 50.99137 1.66 ug/L I Zn 67 24518.264 0.639 0.181 51.04763 0.07 ug/L I Zn 68 101908.518 2.074 0.751 51.21036 2.47 ug/L |> Ge 72 133994.977 0.704 133994.977 ug/L I As 75 136697.429 0.752 0.958 50.54887 1.03 ug/L I Se 77 11677.280 1.607 0.086 51.10491 2.19 ug/L L Se 82 17796.915 0.740 0.109 50.45713 1.75 ug/L r Ag 107 699580.065 0.448 0.425 51.59602 2.31 ug/L |> In 115 1646115.095 2.345 1646115.095 ug/L Sb 121 509432.650 1.251 0.310 50.16902 3.04 ug/L L Sb 123 394344.500 1.434 0.240 50.19242 0.97 ug/L r Ba Ba 135 137 157004.445 275274.694 0.805 1.304 0.061 0.106 48.91006 48.83867 1.69 0.29 ug/L ug/L i> Ho 165 2566185.487 1.191 2566185.487 ug/L I Tl 205 1968969.819 1.669 0.767 47.05414 1.27 ug/L L Pb 208 2764954.038 0.514 1.075 49.46399 1.52 ug/L

QC Calculated Values /knaiyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 101.047 1 Cr 52 I Cr 53 I Mn 55 I Ni 60

Sample ID: LFB 50PPB Report Date/Time: Thursday, January 24, 2002 12:25:54 Page 1

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