NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10202 on May 10, 2002.
NYC-WTC_000045020–000045044Folder label: “GCMS X 4/30/02 A 5/8/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050802\10202.D Vial: 20 Acq On 9 May 2002 6:53 am Operator: Mclean Sample 4/30 eh 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 3 2-Propanone, 1,1-dichloro- Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 3.77 0.24 ug/L 284116 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Propanone, 1,1-dichloro- 126 C3H4C120 000513-88-2 2 Hydrogen azide 4 3 HN3 007782-79-8 2 3 Acetyl chloride 78 C2H3C10 000075-30 5 2 4 Acetic acid, dichloro-, ethyl ester 156 C4H6C12O2 000535-15-9 2 Abundance Scan 117 (3.767 min): 10202.D (-112) (-) m/ z 43.10 100.00% 43
5000
1 1 I ‘ 1 I I I ' I I I It I I I I I I I I I I
m/z--> ot ' ' i ' ' ' ■ i 1 10 20 -++ 30 40 +51 35
50 60 11.11 83 91 ___________________________ 1i1,1,1,1,711,7/17*11/111/1/1/1/1/1/1/11/*/*1/1/"/n"d/ 70 80 90 100 110 120 130 —.T m/ z 3.40 3.60 83.00 3.80 400 9.01% 4.20
Abundance #109152: 2-Propanone, 1,1-dichloro- 43
5000 . । , r. । 1 11"i |* । । । 1m 3.40 3.60 3.80 4.00 4.20 m/z 62.90 6.02% 27 — 49 55 63 76 83 ■I 36 91 111 126 0 1 । । i । । । lm । rir । I i . i ■ I । । ■' ■ ■ । । ■ 1 ■ i ■' ■' 11 I 1 > 1 I" I I fl ] I I I I I l I I I I I
m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3862: Hydrogen azide 43 I I I I I_ I I I I I I I ] I I I I I I I IT-I—v-
340 3.60 3.80 400 4.20 5000 15 m/ z 35.10 5.27% 28
Of - ' 1 1i' 1 1 1 i■ 1'1i 1 1 ■■i''1 ' i' 1 1 'i1‘ 1'i'■ ■■i 1 1 1 'i 1 ■ ■ ।1 1 i 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3868: Acetyl chloride I I I I f l I I I I I I I ' I l l I I I f I I I 43 340 3.60 3.80 4.00 4.20 m/ z 85.00 4.46% 15 5000
36 63 28 0 — 121 u rl । i vr , 49 - +H I. 78 ' rj W . . i i । ! i rn । i i ill, r r — i—i T i i | r- r .A , . 1 i ' ' ■ 1 i 1 ( ' 1 i 1 1 1 ' i ■ 1 ' 1 i 1 ' 1 1 i r 1 1 ■ i 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 3.40 3.60 3.80 4.00 4.20
10202.D 050102.M Thu May 09 13:37:31 2002 Page 7
NYC-WTC_000045031
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000044071
Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044025
Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
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 0.995
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 topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043976
Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
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 topics · Same agency, volume and box · similarity 0.995
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 topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044885
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10198 on May 10, 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
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 topics · Same agency, volume and box · similarity 0.994
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 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045662
Laboratory report detailing GC/MS analysis of sample AE10610 including surrogate recovery data in May 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
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 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.
NYC-WTC_000022763
GCMS analytical report for environmental sample AE09331 including surrogate compound data from May 15, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000043919
Laboratory report for sample AE09967 showing surrogate recovery and unknown compounds from May 9, 2002.
Similarity score 0.990 (not a probability)
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.
Similarity score 0.988 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048287
Initial analysis page for sample AE08261 showing surrogate recovery data and unknown compound screening.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044959
Laboratory report showing gas chromatography-mass spectrometry results for unidentified organic compounds in sample AE10201 on May 10, 2002.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048355
GCMS analysis report for sample AE08264 showing surrogate recovery and unknown compound screening on April 22, 2002.
Similarity score 0.987 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000044856
Department of Environmental Protection GCMS analysis record for the World Trade Center site dated April-May 2002.
Filed in the same folder
NYC-WTC_000044857
Administrative page listing laboratory method details, sample volumes, and surrogate addition parameters for environmental testing on April 30, 2002.
Filed in the same folder
NYC-WTC_000044858
Laboratory report showing blank sample analysis results for volatile organic compounds using gas chromatography-mass spectrometry on May 9, 2002.
Filed in the same folder
NYC-WTC_000044873
Laboratory report showing gas chromatography-mass spectrometry calibration results for volatile organic compounds in sample AE10198 on May 9, 2002.
Filed in the same folder
NYC-WTC_000044877
Laboratory report showing gas chromatography-mass spectrometry reference standard results for volatile organic compounds in sample AE10198 on May 9, 2002.
Filed in the same folder