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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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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\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 Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.62 0.14 ug/L 75716 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 Abundance Scan 22 (3.622 min): 03510.D (-) m/z 43.10 100.00%

L 43 74 /"

5000' 59 87 mA. . 3.50 3.60 3.70 3.80 3.90 4.00 0! 1 49 I I ' " ‘ I ‘ ‘ I l ■1 ‘ ■ l • "' । ' ■ । ■ ■111 ■11 ’ । ■ ■ ■ ■ । ■ ■ ■ ■ । ‘ Hm m/z 74.00 79.86% miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #9224: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 27 1 ■ i “ i1 ■ i “ ■ ■ i" ■ ■ i" ■ ■ i 3.50 3.60 3.70 3.80 3.90 4.00 59 87 m/z 71.00 59.51%

miz-> 01 — 3 Hmmpm TT 69 pomp 102 +r 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 BIp—pIpDag

Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 I A 11 »i j j n » i ।. i । »} 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 34. 91% 59 87

102 Of ■P . 1 ‘ " I 1 •' ‘ I ' miz—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... A ’’9’1 ...... 43 74 3.50 3.60 3.70 3.80 3.90 4.00 m/z 59.00 26.11% 5000 59 87

miz—> 69 102 O' .. ।.... ।■ 111 ■ ■ 1111 > 11 Ho...... TTTTH +r tmpan] TITtgmpr 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 1' 11 ■ .....A .... 3.50 3.60 3.70 3.80 3.90 4.00

03510.D HP022102.M Fri Mar 15 10:09:04 2002 Page 3

NYC-WTC_000037686

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NYC-WTC_000037686Source: NYC Law Department, mirrored locally

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DEP GCMS data table, Jan-Feb 2002 · Box DEP Box 12

NYC-WTC_000004494

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

1 shared non-person entities · 1 shared topics · similarity 0.998

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