NYC-WTC_000035618
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Lab report noting bis(2-Ethylhexyl)phthalate detection, recovery issues, and low pH.
NYC-WTC_000035640–000035650Folder label: “GCMS X 11/29/01 A 12/7/01”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
Data File C:\HPCHEM\l\DATA\DEC0701\28964.D Vial: 10 Acq On 7 Dec 2001 11:43 pm Operator: 209 GALOS Sample 11/29 gc/ms scan 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 Silane, tetramethyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
7.61 3.37 ug/1 834933 1,4-Dichlorobenzene-d4 11.68
Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tet amethyl - 88 C4H12Si 000075-76-3 47 2 N-Ethylfo: mi de 73 C3H7NO 000627-45-2 9 3 Pentane, . -methoxy- 102 C6H140 036839-67-5 9 4 1,3-Dioxplane, 2-pentadecyl- 284 C18H36O2:__ 004360-57-0 9 Abundance Scan 279 (7.608 min): 28964.D (-) m/z 73.00 100.00% I 73 5000 43 i ■ ‘ • i ' ■ ' ■ i 1 ‘ ' i
87 103 7.20 7.40 7.60 7.80 8.00 38 I, I 50 55, 60 67, , • • । ■ ■ i ■ • • • I 1 FTTTTTtr I'1 1 1 1 T’t j । • m/z 43.05 26.62% miz-? 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73
5000 T TT 7.20 7.40 7.80 7.80 8.00 45 m/z 41.00 9.92% ’ • I ‘ 15 ' I , .1 53 59 । 88 FTmTTTEHTTugtt • • i • ■ ‘ ■ i ' ■ ‘ 1 i 1 ' ' ' i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292; N-Ethylformamide 30 73 TTTTTTTTrrr । 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 9.42% 44 58 ! 1 15 miz—> ■ ' i ■ • ■ ■ i 1 10 20 L 30 40 l— 50 60 70 • • i ■ 1 • ' i ■ ■ ' • i 1 ■ • 1 i ■ ■ ■ b i 1 80 90 100 110 Abundance #1793: Pentane, 3-methoxy- 1 hi । । it । 1TTT > . -j i . 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 6.44%
5000 45
27 33 3,9, — — — ■ ■ i ■ ■ ■ • i ■ ' ' • i 1 • ■ ‘i 1 ‘ ‘ ■ । 55 ■ i ■ •11 r* । ■ i • • ■ • i • ■ ■ ■ i ' ' ' ■ i •
m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00
28964.D GCMS1126.M Thu Dec 13 10:19:57 2001 Page 1
NYC-WTC_000035647
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_000035618
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035651
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036103
Laboratory report noting GCMS scan results for sample AD29189 with di-n-butylphthalate detected and low pH.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035629
Lab report noting no unusual compounds but recovery issues in a water sample.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035808
Laboratory analysis notes for sample AD29023 indicating no unusual compounds detected in GCMS scan; one of forty-three compounds in quality control standard outside acceptance rang
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036425
Laboratory report documenting GCMS analysis of sample AD29457 conducted on January 4, 2002, showing unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035865
Lab notes for sample AD29134 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036151
Laboratory report noting GCMS scan results for sample AD29231 with phthalates detected and low recovery requiring re-analysis.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035831
Lab notes for sample AD29141 indicate detection of bis(2-Ethylhexyl)phthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034908
Repeat gas chromatography-mass spectrometry analysis of sample AD28596 after re-extraction, confirming bis(2-Ethylhexyl)phthalate at 0.36 ug/L with improved standard recovery of 89
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035853
Lab notes for sample AD29139 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036220
Blank sample results showing non-detect levels for target compounds during December 2001 laboratory testing.
1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000035629
Lab report noting no unusual compounds but recovery issues in a water sample.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000016087
Laboratory report listing pesticide and organic compound concentrations in sample AD31339 analyzed on February 7, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036436
Laboratory report documenting GCMS analysis of sample AD29458 conducted on January 4, 2002, showing unknown compounds and surrogates.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035618
Lab report noting bis(2-Ethylhexyl)phthalate detection and recovery issues in a water sample.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035727
Laboratory notes stating the GCMS scan of sample AD28897 revealed no unusual compounds.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005627
Laboratory report for DEP sample AE02966 showing unknown compounds and surrogate recovery data from February 15, 2002.
Similarity score 0.996 (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_000035561
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035562
Fragmented document header containing metadata for gas chromatography-mass spectrometry analysis.
Filed in the same folder
NYC-WTC_000035563
GCMS analysis results for sample AD28903 dated December 15, 2001, showing non-detect levels for various compounds.
Filed in the same folder
NYC-WTC_000035571
GCMS method blank analysis for sample AD28903 dated December 7, 2001, showing non-detect levels.
Filed in the same folder
NYC-WTC_000035575
GCMS reference standard analysis for sample AD28903 dated December 7, 2001, showing measured concentrations.
Filed in the same folder