Blank analysis report for GCMS testing of sample AD31647 confirming no contamination above detection limits.
NYC-WTC_000050189–000050204Folder label: “GCMS X 1/3/02 A 1/22 - 1/23/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN22\0103BA.D Vial: 1 Acq On : 22 Jan 2002 10:32 am Operator: Sample : lab blank 1/3 a Inst : Instrumen Mise : January 22, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P
Quant Method : C:\MSDCHEM\1. . .\SCAN50 8. M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 5 Cyclotetrasiloxane, octamet... Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 9.41 0.10 ug/L 31316 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-2 74 2 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 74 3 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 74 4 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 74 Abundance Scan 529 (9.413 min): 0103BA.D (-) m/z 281.10 100.00% 2811
5000 ....... I \.......... 84 133 191 265 9.00 9.20 ‘ 9.40 9.60 9.80 n/z-> 40 —M60d80 100 120 140 160 180 I 200 220 240 260I 280 300 m/z 282.10 30.44% Abundance #244215: Cyclotetrasiloxane, octamethyl- art
5000 i 1 ' ■ • 1 • ■ ■ ■ i ‘ ■ i ■ ■ ■ ■ i ■ 1 9.00 9.20 9.40 9.60 9.80 m/z 283.10 22.65% 73 _ 133. _ 179 193297 _ 235249 2...., mtz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244214: Cyclotetrasiloxane, octamethyl- $$ Octamethylcycl... 281
9.00 9.20 9.40 ■ ■ i ■ ■ ■ ■ i • ■ 9.60 9.80 5000 m/z 133.00 12.73%
73 133 163177 191 207 235 249 265 | ■ ■ i • 1148314+431****’731*****SIVS#F*| • • • ■ i" ■ • • । ■ mz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #244218: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 1 1 1 ' 1 1 1 ' 1 281 9.00 9.20 9.40 1 9.60 9.80 m/z 84.00 12.05% A 5000 A AAs 73 40 45 133 164177 193297 235 249 225 60 80 ' 100 120 146' 160' 180 200 ‘220' 240 260 280 300 296 IT • 9.60 • i • t • a" nfz-> 9.00 9.20 9.40 9.80
0103BA.D SCAN508.M Thu Jan 24 13:46:53 2002 Page 7
NYC-WTC_000050197
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000052029
Laboratory report showing GCMS blank analysis of sample AE00830 with compounds below detection limits.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051512
Laboratory report showing GCMS blank analysis results for sample AE00555 conducted between January 29 and February 1, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000049891
Laboratory report showing blank analysis results with concentrations below method detection limits for various organic compounds.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050222
Laboratory report documenting GCMS analysis of sample AD31645 with detection of unknown compounds and surrogate recovery.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050205
Laboratory report documenting GCMS analysis of sample AD31647 with detection of unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000003981
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
2 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037616
Laboratory report showing GCMS blank analysis results for volatile organic compounds with detection limits below MDL.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004494
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
2 shared non-person entities · 1 shared topics · similarity 0.994
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.
2 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004770
Chromatogram and method report for DFTPP calibration verification conducted on February 5, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000018830
GCMS report for sample AD28861 showing detection of unknown compounds and surrogate recovery data.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010843
Laboratory report documenting a blank run for gas chromatography-mass spectrometry analysis of sample AE02713.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000052029
Laboratory report showing GCMS blank analysis of sample AE00830 with compounds below detection limits.
Similarity score 0.998 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050294
Laboratory report for sample AD31675 documenting detection of unknown compounds and surrogate recovery on January 25, 2002.
Similarity score 0.995 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037884
Instrument data file containing chromatographic scans and compound identification for environmental samples analyzed in March 2002.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037906
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AE03801 conducted on March 22, 2002.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015224
Laboratory report documenting GCMS analysis of sample AE12736 with surrogate recovery data and identification of unknown compounds.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010585
Laboratory analysis report for sample AE02338 conducted on March 22, 2002, listing unknown compounds and surrogates.
Similarity score 0.989 (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_000050177
Administrative record from DEP Box 28 documenting GCMS activities at the World Trade Center site in January 2002.
Filed in the same folder
NYC-WTC_000050178
Instrument log sheet recording sample counts and operational parameters for GCMS Method 508 analysis in January 2002.
Filed in the same folder
NYC-WTC_000050180
Calibration report for GCMS analysis of sample AD31647 listing target compounds and response factors.
Filed in the same folder
NYC-WTC_000050184
Reference scan data for GCMS analysis of sample AD31647 listing target compounds and response factors.
Filed in the same folder
NYC-WTC_000050205
Laboratory report documenting GCMS analysis of sample AD31647 with detection of unknown compounds and surrogate recovery.
Filed in the same folder