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Method 200.8 summary report, Dec 20 2001

Machine-extracted title · confidence 95%

Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and manganese from December 20, 2001.

NYC-WTC_000067263–000067404

Folder label: “12/20/01 NEWQ 29289-30009 copies made”

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: AD29666SPK Sample Date/Time: Thursday, December 20, 2001 16:33:16 Sample Type: Sample Sample Description: 1:2 SPK 50 PPB Number of Replicates: 3 Batch ID: Method File; d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\AD29666SPK.1213 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 29983.414 2.765 0.041 56.37239 7.14 ug/L I: Se-I 45 736269.951 5.582 736269.951 ug/L I Cr 52 675904.675 2.513 0.906 51.68001 7.01 ug/L I Cr 53 76501.292 6.509 0.103 47.35808 6.04 ug/L I Mn 55 1186948.829 6.922 1.617 56.04351 11.48 ug/L I Ni 60 173723.633 3.790 0.236 50.02916 9.10 ug/L I Cu 63 419193.000 4.274 0.566 51.80322 2.70 ug/L L Cu 65 212567.645 3.225 0.288 52.25339 8.41 ug/L r Zn 66 141707.065 3.681 1.069 56.49405'\ 1.77 57.39746 W 6.20 ug/L I Zn 67 25840.973 4.485 0.195 ug/L I Zn 68 107398.415 2.391 0.811 58.88986 / 1.67 ug/L I; Ge 72 131225.406 1.954 131225.406 ug/L I As 75 136993.172 0.504 1.043 53.35819 1.86 ug/L I Se 77 12818.225 6.238 0.097 59.14068’1 5.48 ug/L Se 82 2.099 0.122 56.52689// L 16239.390 1.05 ug/L r Ag 107 600101.011 0.805 0.414 47.79898 1.24 ug/L I; In 115 1446695.686 1.732 1446695.686 ug/L I Sb 121 494383.509 1.076 0.340 52.61037 1.32 ug/L L Sb 123 374308.440 2.205 0.257 51.40626 3.63 ug/L r Ba 135 165049.670 0.947 0.086 - 57.59300 2.16 ug/L I Ba 137 282949.025 1.202 0.148 56.70930 3.45 ug/L Ho 165 1913898.920 2.349 1913898.920 ug/L rL Tl Pb 205 208 1474348.826 2130026.657 2.248 0.860 0.770 1.110 48.65099 50.03059 •/ 4.42 2.54 ug/L ug/L

Sample ID; AD29666SPK Report Date/Time: Thursday, December 20, 2001 16:34:48 Page 1

NYC-WTC_000067349

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NYC-WTC_000067349Source: NYC Law Department, mirrored locally

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