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Method 200.8 Water Analysis Summary Report, Feb 6, 2002

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Summary of water sample results for metals analysis using Method 200.8 conducted on February 6, 2002.

NYC-WTC_000076489–000076538

Folder label: “NEWE Feb 6, 2002 AE02579 - AE02718

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE02579 Sample Date/Time: Wednesday, February 06, 2002 10:39:05 Sample Type: Spike -1 Sample Description: Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWE.mth Dataset File: d:\elandata\Dataset\daily performance\AE02579.298 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 30948.566 0.228 0.042 50.92591 0.89 ug/L i> Sc-1 45 733924.410 1.069 733924.410 ug/L Cr 52 679543.891 1.364 0.912 50.43411 0.30 ug/L 1 Cr 53 77322.563 0.938 0.104 49.16223 0.82 ug/L I Mn 55 2257587.455 0.513 3.075 106.95173 0.56 ug/L 1 Ni 60 154783.127 0.642 0.211 46.66120 0.45 ug/L 1 Cu 63 354964.550 0.514 0.483 46.75919 1.15 ug/L L Cu 65 174303.243 0.754 0.237 46.58002 0.65 ug/L r Zn 66 120462.098 0.903 0.955 52.34939 1.97 ug/L 1 Zn 67 21402.379 1.036 0.169 52.38335 0.47 ug/L I Zn 68 88455.820 0.681 0.701 52.67561 0.56 ug/L i> Ge 72 125550.326 1.077 125550.326 ug/L I As 75 143564.085 0.177 1.069 56.32944 1.12 ug/L L Se 77 12951.349 0.468 0.102 62.30242 1.07 ug/L r Ag 107 561105.230 0.586 0.371 44.61715 0.70 ug/L I Cd 111 153420.310 0.712 0.101 49.35727 0.91 ug/L I Cd 114 359509.803 0.996 0.238 49.13595 0.17 ug/L i> In 115 1511473.441 1.052 1511473.441 ug/L I Sb 121 500828.674 0.088 0.331 51.69041 1.13 ug/L L Sb 123 387566.442 0.992 0.256 51.78520 0.94 ug/L r Ba 135 235843.739 0.368 0.097 75.82811 0.78 ug/L I Ba 137 409162.274 0.536 0.169 75.02067 0.76 ug/L 1> Ho 165 2420945.146 0.849 2420945.146 ug/L 1 Tl 205 1667323.277 0.791 0.688 42.20900 0.70 ug/L L Pb 208 2242832.822 1.035 0.924 45.00182 0.65 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 101.837 |> Sc-1 45 95.781 I Cr 52 95.426 I Cr 53 95.161 I Mn 55 103.590 I Ni 60 91.084

Sample ID: AE02579 Report Date/Time: Wednesday, February 06, 2002 10:40:43 Page 1

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