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← Document results/DEP Box 29/ICPMS 5/21/02
Document / 217 pages

ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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NYC 9/11 Public Portal Document

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff Be 9 104.564 Li 6 86.041 Sc-1 45 86.175 Cr 52 97.384 Cr 53 97.239 Mn 55 94.816 Co 59 96.727 Ni 60 95.548 Cu 63 95.517 Cu 65 94.985 Zn 66 106.858 Zn 67 103.226 Zn 68 106.209 > Ge 72 87.511 As 75 104.565 Se 77 111.044 Se 82 113.206 As-1 75 91.196 Kr 83 Ag 107 91.424 Cd 111 100.047 Cd 114 101.124 > In 115 89.202 Sb 121 102.213 Sb 123 103.489 Ba 135 95.601 Ba 137 94.908 Ho 165 Tb 159 96.251 Hg 201 101.628 Hg 202 98.387 TI 205 94.869 Pb 208 95.189 Calibration Analyte MassCurve Type Correlation Coefficient Be 9Linear Thru Zero 0.999998 Li 6Linear Thru Zero > Sc-1 45Linear Thru Zero Cr 52Linear Thru Zero 0.999999 Cr 53Linear Thru Zero 0.999998 Mn 55Linear Thru Zero 0.999996 Co 59Linear Thru Zero 0.999982 Ni 60Linear Thru Zero 0.999971 Cu 63Linear Thru Zero 1.000000 Cu 65Linear Thru Zero 1.000000 Zn 66Linear Thru Zero 0.999977 Zn 67Linear Thru Zero 0.999921 Zn 68Linear Thru Zero 0.999997 > Ge 72Linear Thru Zero As 75Linear Thru Zero 0.999947

Sample ID: AE10701 Report Date/Time: Tuesday, May 21, 2002 12:34:34 Page 2

NYC-WTC_000054022

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NYC-WTC_000054022Source: NYC Law Department, mirrored locally

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