Quality control document showing GCMS blank results for multiple volatile organic compounds analyzed on May 29, 2002.
NYC-WTC_000013418–000013443Folder label: “GCMS X 5/22/02 A 5/23/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052302\522LB.D Vial: 3 Acq On : 23 May 2002 11:36 am Operator: Mclean Sample : 5/22ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 4 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T.
3.86 3.87 ug/L 2019950 1,4-Dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Methylene Chloride 84 CH2C12 000075-09-2/9 2 Methylene Chloride 84 CH2C12 000075-0922 4 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 Acetic acid, chloro-, ethyl ester 122 C4H7C1O2 000105-39-5 2 Abundance Scan 133 (3.861 min): 522LB.D (-132) (-) m/z 49.10 100.00% 49
5000
43 37 । 3.60 3.80 4.00 4.20 0- • • l “ • • l > ‘ “ j • ‘ • j • • “ J “ • > | • i f t »l > < f |' h tmmmmmLTmTT 82 88 m/z 43.10 19.44% n/z-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #12327: Methylene Chloride 49 WMMMMWluas 84 5000 +’’*I**’*I****’**[* 3.60 3.80 4.00 4.20 m/z 47.10 11.93% 88 _/
•nfe-> 14 18 24 2831 353841 11 +2 Ot .. ।.... ।. 111111111 ■ 111111111 11 iji t t 111 h i 11II 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1111110021101179........ H Abundance #111039: Methylene Chloride 49 ■ ■ ■ ‘ i 1 ■ ■ • i ■ ■ ■ ■ ........................................ 84 3.60 3.80 4.00 4.20 5000 m/z 81.90 10.03%
2831 3538 43 152 57 67 71 77 . 88 A 01 »«।« h j | । n j i | 11 j 11111111 j 111 rr 111111111 fhi i [ I hi 111 ii 17i 111111111 ■ 11| 111 Imm
niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride —— "tit 49 3.60 3.80 4.00 4.20 m/z 37.10 6.02% 84 5000
46 2629 41.11,52 59 65 73 77 88_____ 01 ‘ 1’3 “ I'‘‘‘ I''" I " '‘111‘‘I" “ I “ 1‘I'111111111Ji.11<।.11.u.।.,..।,111.ii.।.।H111111,,.,।. mfz~> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20
522LB.D 052202.M Wed May 29 09:38:43 2002 Page 7
NYC-WTC_000013428
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NYC-WTC_000015496
Laboratory report showing non-detect levels of volatile organic compounds in a GCMS blank sample analyzed on June 5, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012751
Gas chromatography-mass spectrometry blank analysis for sample AE11799 showing results below method reporting limits for semivolatile organic compounds, dated May 28, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000015342
Record of laboratory drip rate measurements and pH counts for a water sample analyzed in June 2002.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013496
Laboratory report documenting GCMS analysis of sample AE11928 conducted on June 4, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013049
Laboratory report showing blank sample analysis for volatile organic compounds using gas chromatography-mass spectrometry on May 22, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013524
Laboratory report documenting GCMS analysis of sample AE11929 conducted on June 4, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014004
GCMS analysis results for sample AE12287 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012989
Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013643
Laboratory report documenting GCMS analysis of sample AE12162 conducted on June 5, 2002.
1 shared topics · Same agency, volume and box · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013968
GCMS analysis results for sample AE11603 dated June 4, 2002, documenting unknown compounds and surrogate recovery.
1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013666
Laboratory report documenting GCMS analysis of sample AE11932 conducted on June 5, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025054
Laboratory report showing GCMS blank analysis for sample AE11379 conducted on May 21, 2002, with results below minimum reporting levels.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000013414
DEP document containing gas chromatography-mass spectrometry data from late May 2002.
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NYC-WTC_000013415
Partial record from DEP Box 15 containing fragmented text and identifiers related to World Trade Center environmental sampling in May 2002.
Filed in the same folder
NYC-WTC_000013444
Calibration data sheet verifying instrument response for volatile organic compounds during GCMS analysis on May 29, 2002.
Filed in the same folder
NYC-WTC_000013448
Reference data sheet listing concentrations and detection limits for volatile organic compounds used in GCMS analysis on May 29, 2002.
Filed in the same folder
NYC-WTC_000013454
Laboratory report documenting GCMS analysis of sample AE11926 conducted on June 4, 2002, including surrogate recovery data.
Filed in the same folder