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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 13, 2001

Machine-extracted title · confidence 95%

Laboratory summary report of calibration blanks tested December 13, 2001, showing baseline readings for Scandium, Germanium, and Selenium.

NYC-WTC_000085031–000085036

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: Thursday, December 13, 2001 13:48:19 Sample Type: Sample Description: CAL BK Number of Replicates: 3 Batch ID: Method File: D:\Elandata\Method\12-13-01NEWE.mth Dataset File: d:\elandata\07-18-01 to 01-03-2002\daily performance\Blank.550 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 Sc-1 45 818411.371 4.227 ug/L r> Ge 72 165037.249 5.276 ug/L I Se 77 176.337 4.256 ug/L L Se 82 211.671 2.728 ug/L Y 89 2817385.576 30.214 ug/L r> In 115 3760308.705 2.197 ug/L I Sb 121 915.055 5.019 ug/L L Sb 123 713.152 3.735 ug/L r> Ho 165 5044568.191 0.714 ug/L L Tl 205 189.004 3.704 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Sc-1 45 r> Ge 72 I Se 77 L Se 82 Y 89 r> In 115 I Sb 121 L Sb 123 r> Ho 165 L Tl 205 Calibration Analyte MassCurve Type Correlation Coefficient Sc-1 45Linear Thru Zero r> Ge 72Linear Thru Zero I Se 77Linear Thru Zero 0.999954 L Se 82Linear Thru Zero 0.999546 Y 89Linear Thru Zero r> In 115LinearThru Zero

Sample ID: Blank Report Date/Time: Monday, January 28, 2002 14:10:05 Page 1

NYC-WTC_000085031

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NYC-WTC_000085031Source: NYC Law Department, mirrored locally

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