NYC-WTC_000017981
Laboratory notes regarding GCMS scan results and recovery rates for sample AD25874 dated January 18, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Laboratory report noting detection of 1,1,2,2-Tetrachloroethane in a water sample with no other non-target compounds.
NYC-WTC_000017997–000018004Folder label: “GCMS X ? A 1/1/02 1/9/02 12/13/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\1\DATA\DEC3101\25946.D Vial: 25 Acq On 1 Jan 2002 10:15 am Operator: 209 GALOS Sample gems scan 12/14a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1,3-Dioxolane, 2-methyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.62 3.78 ug/1 1024920 1,4-Dichlorobenzene-d4 11.68
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 9 2 1-Butanamine, 3-methyl- 87 C5H13N 000107-85-7 9 3 N-Ethyl formamide 73 C3H7NO 000627-45-2 9 4 Pentane 3-methoxy 102 C6H140 036839-67-5 9 Abundance 4 Scan 280 (7.618 mln): 25946.D (-) m/z 72.95 100.00% 73
5000 43 =
3? , 50 55 .61 67, , +-T 87 103 7.20 7.40 7.60 7.80 8.00 11—9————— ■ l ' ‘ I 1 ■ 1 ' l 1 ' ' ' I 1 1 m/z 43.00 33.40% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902:1,3-Dioxolane, 2-methyl- 73 8 5000 43 7.20 7.40 7.60' 7.80 8.00 58 m/z 41.00 11.77% 27 87 i ■ ■ ■ ■ i 1 « > i • • i • • ■ ■ i ■ 1 ■ ■ i • ■ ■ ■ i 1 ■ ■ ■ i ■ • • ■ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #763: 1-Butanamine, 3-methyl- 3b
7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 11.67%
15 ; I 41 55 70 87 • ■ i ■ ■ • » । ■ i ■ ■ ' 1 i 1 ■ ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ I ■ ■ ■ ■ i ■ • ■ ■ i ■ ‘ ■ i ■ ‘ ' I ' 1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide —1ddnman3t—atTprTtt 30 7.20 7.40 7.60 7.80 8.00 73 m/z 71.00 6.78% 5000 44 58 15 ----- ■ ■ "li" ■1 i 1 ' i ■ ■ ■ ■ i ■ 1 ■ ' i ■ ■ ' ■ i 1 • ■ ‘ i • • ■ 1 I 1 1 akania . fTT r-r । . . miz-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00
25946.D GCMS1126.M Tue Jan 15 14:46:46 2002 Page 1
NYC-WTC_000018003
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_000017981
Laboratory notes regarding GCMS scan results and recovery rates for sample AD25874 dated January 18, 2002.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017989
Gas chromatography-mass spectrometry analysis of sample AD26011 from January 18, 2002, detecting 2-(2-ethoxyethoxy)ethanol and 2-ethoxybutane with no blank contamination.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018640
Laboratory report documenting gas chromatography mass spectrometry results for sample AD30905 conducted on January 28, 2002.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016891
Laboratory GCMS analysis report for sample AD30110 conducted on January 9, 2002, by analyst DLV.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018238
Gas chromatography-mass spectrometry analysis of sample AD30983 performed on 1/25/02, detecting 2,4-DDD compound at 101 micrograms with 5.0 MDL.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017931
Laboratory report documenting GCMS analysis of sample AD30472 conducted on January 24, 2002.
Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049795
Blank analysis report for GCMS testing of sample AD29228 conducted on January 10, 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049823
Laboratory report showing GCMS analysis of sample AD29292 including unknown compounds and surrogate recovery data.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049814
Laboratory report showing GCMS analysis of sample AD29286 including unknown compounds and surrogate recovery data.
Similar document embedding; no shared entity or topic indexed. · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049851
Laboratory report showing GCMS analysis of sample AD29519 including unknown compounds and surrogate recovery data.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049870
Laboratory report showing GCMS analysis of sample AD29562 including unknown compounds and surrogate recovery data.
Similar document embedding; no shared entity or topic indexed. · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049693
GCMS blank analysis report for sample AD31586 conducted on February 11, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000017069
Laboratory report detailing GCMS analysis of sample AD30350 including DDD surrogates on January 18, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016232
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31347 conducted on February 7, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036162
Laboratory report noting GCMS scan results for sample AD29231 with phthalates detected and low recovery requiring re-analysis.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018640
Laboratory report documenting gas chromatography mass spectrometry results for sample AD30905 conducted on January 28, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037416
Laboratory analysis report for environmental sample AD29789 showing GCMS results and surrogate compound recovery rates.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004149
Large multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.994 (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_000017980
Document with unreadable text from the GCMS X folder series in DEP Box 16.
Filed in the same folder
NYC-WTC_000017981
Laboratory notes regarding GCMS scan results and recovery rates for sample AD25874 dated January 18, 2002.
Filed in the same folder
NYC-WTC_000017989
Gas chromatography-mass spectrometry analysis of sample AD26011 from January 18, 2002, detecting 2-(2-ethoxyethoxy)ethanol and 2-ethoxybutane with no blank contamination.
Filed in the same folder
NYC-WTC_000018005
Laboratory report listing PAHs and phthalates in a water sample scheduled for re-extraction and re-analysis.
Filed in the same folder
NYC-WTC_000018026
Laboratory report documenting GCMS analysis of sample AD28968 conducted on January 9, 2002.
Filed in the same folder