Laboratory report noting contamination from the TurboVap concentrator and recovery rates for sample AD28662.
NYC-WTC_000034988–000034999Folder label: “GCMS X 11/24/01 A 12/4/01”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV2601\28680.D Vial: 11 Acq On : 28 Nov 2001 3:03 am Operator: 209 GALOS Sample : 11/24 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 Butane, 2-methoxy-2-methyl- Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 7.64 1.16 ug/1 251500 1,4-Dichlorobenzene-d4 11.69 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 36 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 N-Ethylformamide 73 C3H7NO 000627-45-2 9 4 Pentane ,/3-methoxy- __________ 102 C6H140 036839-67-5 9 Abundance ' Scan 282 (7.637 min): 28680. D (-) m/z 73.00 100.00% 73
5000
43 — I • ' • ■ i ' 7.20 7.40 7.60 7.80 8.00 ‘ I I I 55 i 87 103 TITTCTITIETTTUTIITTTTTTTTT’IT 207 m/z 43.05 23.91% ?nfz~> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #1761: Butane, 2-methoxy-2-methyl- 73
5000 ----- ----- 7.20 7.40 7.60 7.80 8.00 55 87 m/z 41.05 10.17% 45 27 11111" i11 111111 ml 1 r "' i T‘TUII"TUIOCIOIEUIOCCUTICEUIUTCCTOOTTTTTT‘T‘‘T miz—> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #62932: Silane, tetramethyl- 73 MAAAPIAPPT 1IT4 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 9.40%
45 THTTT4.88 15 I 55 TTTTT i1■i>i>••• i > • ■ ■ i ■ ■ • ■ । ■ i >■•>।> <■>।■>■•। m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #292: N-Ethylformamide T’ATTTT 33 7.20 7.40 7.60 7.80 8.00 73
5000- 44 58
15 I ' < 1 < । ■ 1 -.......... m/z—> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 7.20 7.40 7.60 7.80 8.00
28680.D GCMS1126.M Thu Dec 06 13:13:04 2001 Page 1
NYC-WTC_000034994
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_000034886
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28479 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034808
Laboratory analyst notes on GCMS scan results, recovery rates, and low pH conditions for sample AD28649.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034819
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034198
Laboratory report detailing GCMS analysis of sample AD28263 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034180
Laboratory report detailing GCMS analysis of sample AD28269 conducted on November 30, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034213
Laboratory report detailing GCMS analysis of sample AD28271 conducted on December 6, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034830
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28666 analyzed in early December 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034331
Laboratory report documenting GCMS analysis of sample AD28427 conducted between November 21 and 26, 2001.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033765
Analytical commentary for sample AD28149 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033834
Analytical commentary for sample AD28155 dated November 29, 2001, noting detection of bis(2-Ethylhexyl)phthalate and low recovery rates.
1 shared non-person entities · 1 shared topics · similarity 0.997
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.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033800
Analytical commentary for sample AD28157 dated November 29, 2001, noting no unusual compounds but low recovery rates for LCS standards.
1 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000050155
Laboratory report documenting GCMS analysis of sample AE00104 with detection of unknown compounds and surrogate recovery.
Similarity score 0.995 (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 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036243
Laboratory analysis report for sample AD29235 conducted on December 28, 2001, including surrogate recovery data.
Similarity score 0.995 (not a probability)
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.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058947
Laboratory report for sample AE05062 analyzing unknown compounds and surrogates via GCMS on April 9, 2002.
Similarity score 0.995 (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 0.995 (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_000034946
Laboratory report detailing GCMS scan results for sample AD28650, noting phthalate detection and low pH.
Filed in the same folder
NYC-WTC_000034947
Document containing unreadable text or corrupted data from the Department of Environmental Protection archives.
Filed in the same folder
NYC-WTC_000034949
Form detailing Method 508 parameters and sample volume information for environmental testing procedures.
Filed in the same folder
NYC-WTC_000034954
Reference data sheet listing concentrations of volatile organic compounds detected in sample AD28662.
Filed in the same folder
NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
Filed in the same folder