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\l\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L
Peak Number 2 Silane, tetramethyl- $$ Tet... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.60 1.50 ug/L 483989 1,4-Dichlorobenzene-d4 9.58
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Silane, tetramethyl- $$ Tetramet... 88 C4H12Si 000075-76-3 52 2 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 50 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 47 4 1 - Propene-1-thiol 74 C3H6S 000925-89-3 9 Abundance Scan 278 (5.597 min): 03073.D (-) m/z 73.10 100.00% 73 8000
6000
4000
2000 45 5.20 5.40 5.60 5.80 6.00 1 55 i , 87 103 m/z 45.10 14.95% ■ ■ । > 1 ■ ■ । 1 1 1 ' 1 1 1 1 1 1 1 1 ' 1 11 1 ''' I 11 ■ ■ ■ ’p -----PPP m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4812: Silane, tetramethyl- $$ Tetramethylsilane $$ (CH3)4... 73 8000
6000 ............. I h , A 4000 5.20 5.40 5.60 5.80 6.00 m/z 71.10 7.24% 2000 43 2... 15 ' IlTi 1111111111111' ,|, 36 J, 29 55 , 66 ' ' rli ' I '''''ll IIri i i 88 ■' i ' ' ' ' I ' ' ' ' i ■ ' ' • i ' m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4813: Silane, tetramethyl- (CAS) SS Tetramethylsilane SS ... 73 8000 ......................................... .. 6000 5.20 5.40 5.60 5.80 6.00 m/z 55.10 5.11% 4000
2000 45 15 29 53 66 88 PPTTt 1 ' ■ ‘I । ■ ■ ■ । i ' i ■ ■'' i' ■' ■ i' '' ■ i ■ m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4814: Silane, tetramethyl- ................ .......... 73 5.20 5.40 5.60 5.80 6.00 8000 m/z 74.10 4.87% 6000
4000
2000 43 2.... 15 29 36 I 53.60 __ l, 81 88 I i | i । i | | * < » i”[ i r TTTTT r r |’l l i i । i I i iT| i i i i । I 1 ■ ■ i ■ • ■1 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 5.20 5.40 5.60 5.80 6.00
)3073.D 5080202.M Mon Mar 04 05:51:41 2002 Page 4
NYC-WTC_000005981
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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_000011319
Laboratory report documenting GCMS analysis of environmental sample AE03263 conducted on April 3, 2002.
Similarity score 0.997 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011298
Laboratory report documenting GCMS analysis of environmental sample AE03259 conducted on April 3, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005963
Analytical report showing surrogate recovery data for sample AE03072 analyzed on March 12, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011268
Laboratory report documenting GCMS analysis of environmental sample AE03257 conducted on April 3, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059048
GCMS analysis of sample AE05238 performed on 3/29/02 showing 2,4-DDD surrogate compound recovery at 152% with unspecified qualifier flag.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011644
Gas chromatography-mass spectrometry analysis report for sample AE03503 identifying other unknown compounds, conducted March 28, 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_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