Laboratory report showing blank test results for various organic compounds on May 7, 2002.
NYC-WTC_000044559–000044571Folder label: “GCMS X 4/29/02 A 5/3/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document OCCL1 MpUu RCUL —
Data File C : \MSDCHEM\ 1 \DATA\ 0 5 0 2 0 2 \ 0 4 2 9LB . D Vial : 6 Acq On 2 May 2002 3:38 pm Operator: Mclean Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e
Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L
Peak Number 1 3-Penten-2-one, 4-methyl- Concentration Rank 3
R.T. EstConc Area Relative to ISTD R.T. 5.01 0.62 ug/L 303097 1,4-Dichlorobenzene-d4 9.94
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 83 2 2-Pentene, 2,3-dimethyl- 98 C7H14 010574-37-5 80 3 2-Pentene, 3,4-dimethyl-, (Z)- 98 C7H14 004914-91-4 78 4 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 78 Abundance Scan 329 (5.012 min): 0429LB.D (-321) (-) m/ z 83.10 100.00% 55 83
5000 98 43 .. I I I I I ■ I I > I I1I I I I I 1 [ I I ................... 36 ,| 4.60 4.80 5.00 5.20 5.40 ............ 11 ■ I 48 1 i ■ 1 1 ' ' i 1 ■ ' 1 i 1 1 1 1 i 1 ' ' 1 i 1 1 i 1 1 m/ z 55.10 87.13% m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #116425: 3-Penten-2-one, 4-methyl- 55 83
5000 43 [ II I I I I I I I I I I I I I I 1 1 I I I I
98 4.60 480 5.00 5.20 5.40 29 m/ z 98.10 49.65% 36 , 38 50 | , I I I II I I Illi I I -—1 I ' I I 62 67 I ' I I ' I I I I 77 I 1 ' [ I 1189.1 i 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #32863: 2-Pentene, 2,3-dimethyl- 55 83 41 । 1 ' 1 i ■ 1 ■■ i 1 1 1 1 i 1 1 1 1 i 1 1 4.60 4.80 5.00 5.20 5.40 5000 m/z 4 3.10 36.29% 27 98 69 15
m/z-> I 1 I 1 1 I 1 1 1 10 20 1 -361 504 50 V 60 1‘1‘i‘t 1 1 i'1'! 1 +91 63J, . , 77 , 70 80 30 40 90 100 Abundance #116420: 2-Pentene, 3,4-dimethyl-, (Z)- 55 83 4.60 4.80 5.00 5.20 5.40 m/z 39.10 20.94% 41 5000 27 98
15 69 ....... ....... 1 1 i 1 1 1 1 i ■ 32—+ —+ 50 । 1. 63| + —IP— 77, 4-, . | 93 I ' 1 1........... .... ............ /z-> 10 20 30 40 50 60 70 80 90 100 4.60 4.80 5.00 5.20 5.40
0429LB.D 050102.M Mon May 06 10:58:31 2002 Page 4
NYC-WTC_000044565
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_000045048
Laboratory report showing blank analysis results for volatile organic compounds in sample AE10303 on May 9, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023409
Laboratory report showing non-detect results for volatile organic compounds in a method blank sample AE10137 analyzed on May 14, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023887
Laboratory report showing GC/MS analysis of sample AE10980 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000022965
Laboratory report of a GCMS blank run conducted on May 14, 2002, showing non-detect results for various compounds.
1 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023871
Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025347
Laboratory report showing non-detect levels for 15 volatile organic compounds in a GCMS method blank processed on May 23, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023949
Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025386
Laboratory report documenting GCMS analysis of sample AE11418 conducted on May 30, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025257
Laboratory report showing gas chromatography/mass spectrometry results for sample AE11412 analyzed on May 28, 2002.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025304
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11415 conducted on May 28, 2002.
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.
Page similarity is temporarily unavailable or this page has no indexed vector.
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_000044378
Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 29 and May 3, 2002.
Filed in the same folder
NYC-WTC_000044379
Fragment of a document containing unreadable text and partial headers from a DEP laboratory procedure.
Filed in the same folder
NYC-WTC_000044381
Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for organic compounds.
Filed in the same folder
NYC-WTC_000044396
Calibration data for GCMS analysis of volatile organic compounds recorded on May 7, 2002.
Filed in the same folder
NYC-WTC_000044397
Calibration data for GCMS analysis of volatile organic compounds recorded on May 6, 2002.
Filed in the same folder