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GCMS blank results for sample AE03510, March 28, 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS analysis of a method blank for sample AE03510 to verify analytical system cleanliness.

NYC-WTC_000037680–000037699

Folder label: “GCMS X 2/19/02 A 3/8/02

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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document LSC Area Percent Report

Data File : C:\MSDCHEM\1\5973N\02MAR08\03510.D Vial: 6 Acq On : 8 Mar 2002 2:46 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Method : C:\MSDCHEM\1\METHODS\METHODS\HP022102.M (RTE Integrator) Title : 508 scan method Smoothing : OFF Filtering: 5 Sampling : 2 Min Area: 100 Area counts Start Thrs: 0.2 Max Peaks: 2 0 Stop Thrs : 0 Peak Location: TOP

If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5 Signal : TIC peak R.T. first max last PK peak corr. corr. % of # min scan scan scan TY height area % max. total

1 3.622 19 22 29 rBV2 44970 75716 0.43% 0.082% 2 4.254 75 78 85 rVB4 22084 55631 0.32% 0.060% 3 4.661 107 114 121 rVB6 12619 57111 0.33% 0.062% 4 4.875 127 133 143 rBV3 16797 59784 0.34% 0.065% 5 5.022 143 146 153 rVB 31548 55629 0.32% 0.060%

6 5.891 219 223 235 rW 1073031 2124734 12.16% 2.307% 7 6.038 235 236 261 rVB 97115 311909 1.78% 0.339% 8 8.589 459 462 465 rW 38305 67094 0.38% 0.073% 9 9.707 557 561 567 rBV 5593600 10702645 61.25% 11.621% 10 9.944 579 582 593 rVB2 20169 64050 0.37% 0.070%

11 12.540 809 812 817 rVB 24954 43692 0.25% 0.047% 12 13.195 865 870 875 rBV 7950868 15847715 90.69% 17.207% 13 13.376 883 886 901 rVB2 16677 48154 0.28% 0.052% 14 18.332 1319 1325 1331 rBV 8219639 16837646 96.36% 18.282% 15 22.283 1671 1675 1685 rVB2 47421 99358 0.57% 0.108%

16 22.633 1701 1706 1711 rBV2 8037929 17474214 100.00% 18.973% 17 27.724 2153 2157 2161 rBV 1006281 1921553 11.00% 2.086% 18 30.490 2395 2402 2407 rBV 6289217 14647696 83.82% 15.904% 19 31.088 2451 2455 2465 rVB 22828 67646 0.39% 0.073% 20 34.407 2743 2749 2791 rW 4430949 11537370 66.03% 12.527%

Sum of corrected areas: 92099347

03510.D HP022102.M Fri Mar 15 10:09:03 2002 Page 1

NYC-WTC_000037684

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NYC-WTC_000037684Source: NYC Law Department, mirrored locally

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Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.

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