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Method 200.8 summary report, Dec 20 2001

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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: LFB Sample Date/Time: Thursday, December 20, 2001 14:11:08 Sample Type: Sample Sample Description: 50 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWQ200.8.mth Dataset File: d:\Elandata\Dataset\daily performance\LFB.1177 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 26398.635 1.208 0.034 47.64723 4.63 ug/L Se-I 45 765846.195 4.272 765846.195 ug/L I Cr 52 699686.768 2.212 0.900 51.37060 5.20 ug/L I Cr 53 84050.722 1.028 0.109 50.06681 4.81 ug/L I Mn 55 1096604.803 3.439 1.434 49.68945 7.64 ug/L I Ni 60 180494.325 3.246 0.235 49.89077 6.67 ug/L I Cu 63 416021.161 2.826 0.540 49.41566 3.55 ug/L L Cu 65 202336.667 1.319 0.263 47.71373 5.47 ug/L r Zn 66 129000.941 2.071 0.937 49.51939 0.93 ug/L I Zn 67 22634.486 2.871 0.164 48.34964 3.12 ug/L I Zn 68 94700.499 1.372 0.688 49.97600 1.43 ug/L I: Ge 72 136124.940 1.612 136124.940 ug/L I As 75 134580.093 1.880 0.987 50.52894 3.01 ug/L I Se 77 11924.427 0.938 0.087 52.99129 1.06 ug/L L Se 82 15092.787 1.419 0.109 50.58679 2.78 ug/L r Ag 107 651838.536 1.170 0.441 50.88728 2.51 ug/L I: In 115 1476303.492 1.347 1476303.492 ug/L I Sb 121 498492.660 2.165 0.336 51.97294 1.54 ug/L L Sb 123 387443.384 0.761 0.261 52.13737 2.04 ug/L r Ba 135 149441.513 1.485 0.076 51.09242 1.06 ug/L I Ba 137 259891.765 1.749 0.133 51.03947 3.14 ug/L I: Ho 165 1952500.227 2.526 1952500.227 ug/L I Tl 205 1546959.826 1.937 0.792 50.02589 3.08 ug/L L Pb 208 2149755.278 1.283 1.098 49.50582 3.73 ug/L

Sample ID: LFB Report Date/Time: Thursday, December 20, 2001 14:12:40 Page 1

NYC-WTC_000067277

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