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Method 200.8 summary report, Dec 18 2001

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Summary report of Method 200.8 analysis results for multiple analytes including beryllium, chromium, and manganese from December 18, 2001.

NYC-WTC_000067008–000067059

Folder label: “12/18/01 NEWQ 28430-28597 copies made

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: LFB Sample Date/Time: Tuesday, December 18, 2001 11:52:31 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.1013 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 18631.999 2.274 0.035 52,50743 4.06 ug/L l> Sc-1 45 525025.190 2.088 525025.190 ug/L I Cr 52 532714.893 5.443 0.997 52.84725 7.68 ug/L I Cr 53 61365.509 2.278 0.115 50.98210 0.62 ug/L I Mn 55 761025.799 1.375 1.448 52.29774 0.72 ug/L I Ni 60 151695.834 1.804 0.289 53.04524 2.88 ug/L I Cu 63 340685.490 4.653 0.644 51.31540 4.92 ug/L L Cu 65 168313.177 4.726 0.318 52.44173 6.75 ug/L r Zn 66 97176.859 2.711 0.891 50.43687 0.74 ug/L I Zn 67 17856.337 2.822 0.164 50.76385 4.46 ug/L I Zn 68 72603.449 1.606 0.666 50.60440 0.75 ug/L i> Ge 72 106669.280 2.169 106669.280 ug/L I As 75 116056.287 0.866 1.086 52.16669 3.00 ug/L I Se 77 9868.176 3.681 0.091 52.50384 1.82 ug/L L Se 82 13371.062 4.111 0.124 53.46871 3.93 ug/L r Ag 107 688877.573 3.299 0.410 50.50723 3.83 ug/L i> In 115 1679308.822 3.794 1679308.822 ug/L Sb 121 571458.228 3.912 0.340 50.45139 1.21 ug/L L Sb 123 445251.855 2.075 0.265 49.92186 5.93 ug/L r Ba 135 190061.593 2.220 0.064 48.08673 3.90 ug/L I Ba 137 329814.005 2.596 0.111 47.57031 5.52 ug/L I; Ho 165 2952655.460 2.922 2952655.460 ug/L I Tl 205 1863539.347 2.411 0.632 43.01833 " 5:09 ug/L L Pb 208 2552624.016 0.501 0.862 45.5458^ 3.21 ug/L

Sample ID: LFB Report Date/Time: Tuesday, December 1’8, 2001 11:54:02 Page 1

NYC-WTC_00006'7022

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NYC-WTC_000067022Source: NYC Law Department, mirrored locally

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