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← Document results/DEP Box 66/NEW Q Calibration Curves Includes some data
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ICP-MS blank analysis report, Dec 12, 2001

Machine-extracted title · confidence 95%

Laboratory summary report of calibration blanks tested December 12, 2001, showing baseline readings for Beryllium and Chromium.

NYC-WTC_000085028–000085030

Folder label: “NEW Q Calibration Curves Includes some data

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: Blank Sample Date/Time: Wednesday, December 12, 2001 17:21:13 Sample Type: Sample Description: CAL BK Number of Replicates: 3 Batch ID: Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\07-18-01 to 01-03-2002\daily performance\Blank.521 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 26.334 23.203 ug/L I: Sc-1 45 1280197.242 0.186 ug/L I Cr 52 35871.111 73.872 ug/L I Cr 53 896.388 24.656 ug/L I Mn 55 1254.432 3.135 ug/L Ni 60 897.053 0.696 ug/L I Cu 63 5638.805 1.696 ug/L L Cu 65 2713.432 2.702 ug/L r Zn 66 3817.840 1.007 ug/L 1 Zn 67 664.698 2.278 ug/L I Zn 68 2921.832 2.564 ug/L 1: Ge 72 225685.119 1.085 ug/L I As 75 -167.465 65.094 ug/L I Se 77 321.676 1.177 ug/L L Se 82 240.672 6.126 ug/L r Y 89 4602262.580 0.427 ug/L I Ag 107 2336.324 3.018 ug/L I: In 115 4686492.513 0.576 ug/L I Sb 121 1664.169 4.784 ug/L L. Sb 123 1314.734 3.240 ug/L r Ba 135 1329.444 3.151 ug/L I Ba 137 2334.323 0.708 ug/L I Tb 159 6178538.370 1.060 ug/L I: Ho 165 6281924.985 0.828 ug/L I Bi 209 4535820.384 0.330 ug/L Tl 205 660.364 14.281 ug/L I Pb 208 10658.217 0.315 ug/L L Au 197 3199148.616 0.762 mg/L

QC Calculated Values Analyte Mass QC Std % Recovery I nt Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45

Sample ID: Blank Report Date/Time: Monday, January 28, 2002 15:52:52 Page 1

NYC-WTC_000085028

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NYC-WTC_000085028Source: NYC Law Department, mirrored locally

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