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Water sample metal analysis results, April 15, 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_000040700–000040753

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV STD1 30 PPB Sample Date/Time: Monday, April 15,2002 15:39:19 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york cit\CCV STD1 30 PPB.544 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 13598.973 3.109 0.025 29.32091 5.47 ug/L > Se-1 45 534271.975 2.294 534271.975 ug/L Cr 52 304055.288 2.983 0.555 29.87126 5.47 ug/L Cr 53 34534.823 1.274 0.064 29.23319 2.86 ug/L Mn 55 472139.429 0.390 0.883 28.39912 2.58 ug/L Ni 60 67544.196 3.445 0.126 28.21256 5.65 ug/L Cu 63 170929.869 2.275 0.319 30.70915 0.55 ug/L Cu 65 81844.877 3.464 0.153 29.53839 5.68 ug/L Zn 66 54352.915 1.953 0.523 30.07990 2.62 ug/L Zn 67 9934.191 0.750 0.095 29.66929 0.56 ug/L Zn 68 39223.832 0.959 0.377 30.15926 0.31 ug/L Ge 72 102918.331 0.654 102918.331 ug/L As 75 58425.122 3.897 0.568 29.30758 3.26 ug/L Se 77 6928.386 6.086 0.067 29.99753 6.73 ug/L Se 82 6718.883 1.899 0.064 29.54814 1.83 ug/L Ag 107 314331.951 1.940 0.226 28.86536 2.15 ug/L Cd 111 83767.367 2.906 0.060 29.38874 3.08 ug/L Cd 114 191415.125 1.486 0.139 30.27841 1.26 ug/L > In 115 1376221.988 0.228 1376221.988 ug/L Sb 121 274791.736 0.669 0.199 29.90900 0.54 ug/L Sb 123 206784.721 3.219 0.150 29.44563 3.36 ug/L Ba 135 82121.336 3.330 0.045 30.44890 3.88 ug/L Ba 137 135928.436 1.132 0.075 29.66383 2.11 ug/L > Tb 159 1806000.034 0.966 1806000.034 ug/L Ho 165 1736364.970 3.034 -0.081 ug/L TI 205 750319.363 1.161 0.415 32.18063 0.84 ug/L Pb 208 1026191.399 0.567 0.567 31.33801 1.12 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 98.478 Cr 52 Cr 53 Mn 55

Sample ID: CCV STD1 30 PPB Report Date/Time: Monday, April 15, 2002 15:41:40 Page 1

NYC-WTC_000040750

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