Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
NYC-WTC_000043976–000044000Folder label: “GCMS X 4/25/02 A 5/7/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\MSDCHEM\1\DATA\050602\9970.D Vial: 27 Acq On 7 May 2002 8:52 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e
Quant Method C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98.L ********************************************************************* Peak Number 4 Methanethiol Concentration Rank 6
R.T. EstConc Area Relative to ISTD R.T.
3.88 0.34 ug/L 234164 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methanethiol 48 CH4S 000074-93-1 7 2 Methanethiol 48 CH4S 000074-93-1 ” 3 Methanethiol 48 CH4S 000074-93-1 /5 4 O-Methyl-hydroxylamine 47 CH5NO 1000192-4-9- -3 Abundance Scan 136 (3.878 min): 9970.D (-131) (-) m/z 40.10 200.00% 43
47 5000 84 58 35 88 3.60 3.80 4.00 4.20 — 44 ..an,). m/z 47.05 51.56% 1111‘1111111111"T7TTTTOTT III’ — 1 r 1 ■11111' i11 " i ‘I‘ m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12281: Methanethiol 47 WWWWVMHMAw/a 5000 3.60 3.80 4.00 4.20 m/z 84.00 37.50% 33 44 , .,14 1 . 24 11,36.... I F A NPWMMM-Apuoon m/z-> l-rrp-T-rTp+H-p-rTTp-rrTp-i-rrp- 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 i " " r1 " r Mawly Abundance #111010: Methanethiol 47 ' ■ ■ 1 i 1 ■ ■ ' r■ ‘11’ !’’’ 3.60 3.80 4.00 4.20 5000 m/z 48.10 35.94%
15 +12+ 33 461 R 24 r 11 ■ i | । I I I | । > i i | i i । I r i1111 r ■ " [ " '' i11111" '' i1'111 " '111'111 m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111011: Methanethiol 47 3.60 3.80 4.00 4.20 m/z 58.10 21.88%
5000 MMMMaMAHhWM#MMAh 26 33 4 /z-> I I I I I I I I I I I I I > I I I I I I I I I I I 1 I I I I I I I I I I t I I I I I
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 R I " 11111 " i (+01 I >> I I I I I I I I 1 1 I I I I I ' I I I ' ' 1 1 1 1 1 ‘ I 1 1 1 ' I ■ ' 1 1 1 1 3.60 3.80 4.00 4.20
9970.D 050102.M Tue May 07 15:49:41 2002 Page 8
NYC-WTC_000043988
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000044025
Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044001
Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043893
Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043938
Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045092
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE10304 conducted on May 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043958
Laboratory report for sample AE09969 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044902
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE09093 on May 10, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012989
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013524
Laboratory report documenting GCMS analysis of sample AE11929 conducted on June 4, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024014
Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013643
Laboratory report documenting GCMS analysis of sample AE12162 conducted on June 5, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000043745
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 25 and May 7, 2002.
Filed in the same folder
NYC-WTC_000043746
Fragmented page containing Method 508 headers and partial text from a DEP laboratory record dated April 2002.
Filed in the same folder
NYC-WTC_000043749
Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.
Filed in the same folder
NYC-WTC_000043756
Calibration data report for sample AE09684 listing response factors and concentrations for target analytes in May 2002.
Filed in the same folder
NYC-WTC_000043760
Reference gas chromatography-mass spectrometry analysis with manual result entry for sample AE09684, detecting multiple organic contaminants.
Filed in the same folder