NYC-WTC_000006001
Laboratory report documenting GCMS analysis of environmental sample AE03019 conducted on April 3, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Technical comment regarding low recovery rates in GCMS scan of sample AE03016, indicating a decision to reextract and reanalyze the specimen.
NYC-WTC_000005992–000006000Folder label: “GCMS X 2/12/02 A 2/28/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Data File C:\MSDCHEM\l\DATA\022802\03016.D Vial: 9 Acq On 1 Mar 2002 6:56 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 Silane, tetramethyl- Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.60 1.09 ug/L 333805 1,4-Dichlorobenzene-d4 9.58
Hit# Of 5 Tentative ID MW MolForm CAS# Qual
1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 50 2 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 9 3 Silane, tetramethyl- $$ Tetramet... 88 C4H12Si 000075-76-3 9 4 Silane, tetramethyl-_______________ 88 C4H12Si 000075-76-3 9 Abundance Scan 278 (5.597 min): 03016.D (-) m/z 73.10 100.00% 73 8000
6000
4000
2000 45 5.20 5.40 5.60 5.80 6.00 i • ■ * ■ i ■ ......... 155.... 1 — 87 ’J’’*’I’L’II’UIII..... '11'1 'r' 103 m/z 45.10 13.82% m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4814: Silane, tetramethyl- 73 8000
6000 10 A M.. 4000 5.20 5.40 5.60 5.80 6.00 m/z 71.10 7.09% 2000 43 . 15 29 53.60 .... ,| , 36 । I | | I'l-I'i | i I I ITT I 81 88................. 2 ’IIUOuITTuTII"ITI7rr !UE 19 m/z—> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4813: Silane, tetramethyl- (CAS) S$ Tetramethylsilane SS ... 73 8000
6000 5.20 5.40 5.60 5.80 6.00 m/z 74.10 4.93% 4000
2000 45 15 29
m/z-> ■ ■ i ■ ■ • ■ i ■ । ■ ■ ) ■ ■ ‘ 0 । ■ -153 10 20 30 40 50 60 70 80 90 100 110 . 66 11 I 1 11 ITt 88
Abundance #4812: Silane, tetramethyl- $$ Tetramethylsilane S$ (CH3)4... 73 i ■ ■ ' ■ I 5.20 5.40 5.60 5.80 6.00 8000 m/z 69.10 4.90% 6000
4000
2000 43 2 15 36 || 55 66 TTTmummgmtmmmt liI > ■ i1 - ■88> I 1' 1 > l ■ ■ >11 1 i ■ ■ ■ ■ i ' 1 m/z—> 0 10 20 30 40 50 60 70 80 90 100 110 5.20 5.40 5.60 5.80 6.00
)3016.D 5080202.M Mon Mar 04 05:41:18 2002 Page 3
NYC-WTC_000005999
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_000006001
Laboratory report documenting GCMS analysis of environmental sample AE03019 conducted on April 3, 2002.
1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗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 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005925
Analytical report showing surrogate recovery data for sample AE03020 analyzed on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005973
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03073 conducted on March 12, 2002.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005983
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03074 conducted on March 12, 2002.
1 shared topics · Same agency, volume and box · 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 0.997
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 0.997
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 0.996
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_000011250
Laboratory report documenting GCMS analysis of environmental sample AE03255 conducted on April 3, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011192
Laboratory report documenting GC/MS analysis of environmental sample AE03183 conducted on March 22, 2002.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052539
GCMS analysis report for sample AE04241 identifying unknown compounds and DDD in March 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_000005947
Analytical report showing surrogate recovery data for sample AE03071 analyzed on March 12, 2002.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006001
Laboratory report documenting GCMS analysis of environmental sample AE03019 conducted on April 3, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000005925
Analytical report showing surrogate recovery data for sample AE03020 analyzed on March 12, 2002.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011307
Laboratory report documenting GCMS analysis of environmental sample AE03260 conducted on April 3, 2002.
Similarity score 0.992 (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 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011319
Laboratory report documenting GCMS analysis of environmental sample AE03263 conducted on April 3, 2002.
Similarity score 0.990 (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