NYC-WTC_000005963
Analytical report showing surrogate recovery data for sample AE03072 analyzed on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03073 conducted on March 12, 2002.
NYC-WTC_000005973–000005982Folder label: “GCMS X 2/12/02 A 2/28/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report
Data File C:\MSDCHEM\1\DATA\022802\03073.D Vial: 7 • Acq On 1 Mar 2002 5:18 pm Operator: McLean Sample 2/12/02 GC SCAN Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\MSDCHEM\1\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L
Peak Number 1 2,2-Dimethoxybutane Concentration Rank 2
R.T. EstConc Area Relative to ISTD R.T.
3.86 0.45 ug/L 143599 1,4-Dichlorobenzene-d4 9.58
Hit# of 5 Tentative ID MW MolForm CAS# Qual
J 1 2,2-Dimethoxybutane 118 C6H14O2 003453-99-4 74 2 Methyl l-Methyl-d3-2-propenyl Ether 89 C5H7D3O 000000-00-0 42 3 Thiazolidine (CAS) $$ Tetrahydro... 89 C3H7NS 000504-78-9 36 4 2,2 - dimethoxybutane 118 C6H14O2 003453-99-4 27 Abundance Scan 87 (3.865 min): 03073.D( m/z 87.10 100.00% l
8000 (65) (87 6000
4000 45 ■ 1 i ' ’ 2000 103 3.60 3.80 4.00 4.20 71
rn/z-> ........................................ 1 1 ' i ' ' ■ ' i ' ' ‘ ' i r ' ' ' i ' ' 20 30 40 50 ,i 44— 60 70 " I1'"' pr Hi...... 1....... 80 90 100 110 m/z 89.10 99.50%
Abundance #17888: 2,2-Dimethoxybutane 43 87 55 8000
6000
4000 29 m. 3.60 3.80 4.00 4.20 m/z 55.10 88.64% 2000 103
m/z-> —. +36.1, । 149.1 1465.71481.4 193.11..... 20 30 40 50 60 70 80 90 100 110 Abundance #4232: Methyl 1-Methyl-d3-2-propenyl Ether 89 8000: MM... . । 1 71 3.60 3.80 4.00 4.20 6000 m/z 45.10 27.16% 4000:
2000 ............ . ................... ............ ■ ■ । ' ' ' ' i ' ■■■i■■■■i■■■1i'1■■i■1■■ i ■ ■ 1 1 i ■ ■ ■ ■ । 1 1 1 1 1 1 ' m/z-> 20 30 40 50 60 70 80 90 100 110 Abundance #5047: Thiazolidine (CAS) $$ Tetrahydrothiazole. $$ 1-Thia-... (89 ) AMA 3.60 3.80 4.00 4.20 8000 m/z 57.10 20.62% 6000
4000 45 59 2000
' ‘ i ■ ■ ' ■ 1 1 1 1 1 1 ' 1 J, 52.111 , , ,7,0, 76 , , 11........ 105 | , . ■ ' i 1 ' r ■ i ' ■ m/z—> 20 30 40 50 60 70 80 90 100 110 3.60 3.80 4.00 4.20
3073.D 5080202.M Mon Mar 04 05:51:40 2002 Page 3
NYC-WTC_000005980
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_000005963
Analytical report showing surrogate recovery data for sample AE03072 analyzed on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005992
Technical comment regarding low recovery rates in GCMS scan of sample AE03016, indicating a decision to reextract and reanalyze the specimen.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005955
Analytical report showing surrogate recovery data for sample AE03021 analyzed on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005916
Analytical report showing surrogate recovery data for sample AE03018 analyzed on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011298
Laboratory report documenting GCMS analysis of environmental sample AE03259 conducted on April 3, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011319
Laboratory report documenting GCMS analysis of environmental sample AE03263 conducted on April 3, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059369
Gas chromatography-mass spectrometry analysis of sample AE05304 conducted on 3/29/2002, testing for unknown organic compounds.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011241
Laboratory report documenting GCMS analysis of environmental sample AE03254 conducted on April 3, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011165
Laboratory report documenting GC/MS analysis of environmental sample AE03181 conducted on March 22, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059379
Gas chromatography-mass spectrometry analysis of sample AE05305 conducted on 3/29/2002, testing for unknown organic compounds.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059359
Laboratory record of gas chromatography mass spectrometry analysis for unknown compounds and surrogates on March 29, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011328
Laboratory report documenting GCMS analysis of environmental sample AE03264 conducted on April 3, 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.
NYC-WTC_000005963
Analytical report showing surrogate recovery data for sample AE03072 analyzed on March 12, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000058618
Summary page for GCMS analysis of sample AE03016 conducted on March 12, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010927
Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004935
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004935
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
Similarity score 0.988 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004935
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 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_000005886
Department of Environmental Protection GCMS sample tracking record for the World Trade Center site dated February to March 2002.
Filed in the same folder
NYC-WTC_000005887
Laboratory log sheet recording sample preparation parameters including drip rates and surrogate additions for GCMS analysis.
Filed in the same folder
NYC-WTC_000005890
Mass spectrometer performance verification report using DFTPP standard conducted on February 28, 2002.
Filed in the same folder
NYC-WTC_000005891
Laboratory report listing recovery percentages for thirteen volatile organic compounds in reference standard AE03017 analyzed on March 4, 2002.
Filed in the same folder
NYC-WTC_000005893
Calibration data for polycyclic aromatic hydrocarbons and deuterated standards analyzed on February 28, 2002.
Filed in the same folder