NYC-WTC_000036350
Blank sample analysis report for GCMS testing showing non-detect levels for target analytes.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 12 pages
GCMS blank results for sample AD29022, Dec 17 2001
Machine-extracted title · confidence 95%Laboratory data sheet recording GCMS analysis of a blank sample for nitrosamines and chlorinated compounds.
NYC-WTC_000035776–000035787Folder label: “GCMS X 11/30/01 A 12/10/01”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report Data File : C:\HPCHEM\1\DATA\DEC1001\LB.D Vial: 3 Acq On : 10 Dec 2001 11:42 am Operator: 209 GALOS Sample : gc/ms scan 11/30 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 Silane, tetramethyl- Concentration Rank 2
R.T. EstConc Area Relative to ISTD R.T. 7.59 3.83 ug/1 907560 1,4-Dichlorobenzene-d4 11.67 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 25 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Dioxolane, 2- (3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 278 (7.594 mln' : LB.D (-) m/z 73.00100.00% 73 1
5000 43 1-p-n-r-j-r-n-lH- TTIIXTruur 103 7.20 7.40 7.60 7.80 8.00 37, |, I 49 55.. 67, i , 87 -n-p-r-n-p PITTTH TTpTEBDOgT l ■ • i • i n p •. . । , i । , . . . p > m/z 43.0.5 26.32% mlz- 10 20 30 40 50 60 70 80 90 100 11. 120 Abundance' #62932: Silane, tetramethyl- 73
5000 T-T-r-r-r-r-rr-r 7.20
15 45 I 53 59 88 m/z 7.40 L 10.08% 7.60 7.80 8.00
T1BB—B—————igrtmevrupr 1 | I TT I TT I I • | f I : I | I I I I | ! T miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylformamide 30 73 1111 TInmPTIT 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.05 9.10% 44 58 15 TIT r-p-m-jH + I TT — 1 1 ■ ■ ■ i ‘ ‘ • i ■ ■ ‘ 1 i ‘ ‘ ' i ■ ■ • ‘ i ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423:1,3-Dioxolane, 2-(3-bromo-5,5,5-trichloro-2,2-dimet TTTmar — — H TTmrur 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 6.56% 5000 45 36 55 67. TTPTTr । | 4-r __ ________ 109115 Tj 1TTT1T48 ’11nn.tIT161I~T TI TT I I II T TI TTIm TTT TT T T m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00
LB.D GCMS1126.M Thu Dec 13 10:55:06 2001 Page 1
NYC-WTC_000035782
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000035782Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
NYC-WTC_000036044
Technical form recording method parameters, drip rates, and analytical data for GCMS testing procedures.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037219
Gas chromatography-mass spectrometry blank report for sample AD29932 analyzing nitrosamines and chlorinated compounds on December 18, 2001.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036210
Reference analysis results for target analytes used to verify GCMS instrument performance in December 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036311
Laboratory analysis report for sample AD29285 conducted on December 28, 2001, including surrogate recovery data.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034958
Calibration report showing recovery percentages for various chemical standards used in the GCMS analysis.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036079
Laboratory report showing GCMS scan results for sample AD29135 including detection of unknown compounds and surrogates.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000036137
Laboratory report noting GCMS scan results for sample AD29233 with phthalates and nonadecanol detected.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035831
Lab notes for sample AD29141 indicate detection of bis(2-Ethylhexyl)phthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034759
Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28595 analyzed in early December 2001.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035853
Lab notes for sample AD29139 indicate detection of di-n-butylphthalate and one LCS compound outside acceptance range.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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 topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Others also read
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_000035773
Department of Environmental Protection record logging GCMS X samples from November to December 2001.
Filed in the same folder
NYC-WTC_000035774
Laboratory data sheet recording sample volumes and drip rates for GCMS Method S08 analysis.
Filed in the same folder
NYC-WTC_000035788
Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.
Filed in the same folder
NYC-WTC_000035793
Document containing reference values and recovery data for organic compounds analyzed by GCMS.
Filed in the same folder
NYC-WTC_000035798
Lab notes for sample AD29188 indicate no unusual compounds detected except for unknowns and Sur_2,4-DDD.
Filed in the same folder