Volatile Organics by EPA 8260B & Oxygenates on Rtx-VMS

GC_EV00423

	Peaks
1.	Dichlorodifluoromethane
2.	Chloromethane
3.	Vinyl chloride
4.	Bromomethane
5.	Chloroethane
6.	Trichlorofluoromethane
7.	1,1-Dichloroethene
8.	Carbon disulfide (250ppb)
9.	Freon^®113
10.	Iodomethane
11.	Acrolein (250ppb)
12.	Allyl chloride
13.	Methylene chloride
14.	Acetone
15.	trans-1,2-Dichloroethene
16.	Methyl tert-butyl ether
17.	tert-butyl alcohol (250ppb)
18.	Chloroprene
19.	1,1-Dichloroethane
20.	Acrylonitrile
21.	Vinyl acetate
22.	cis-1,2-Dichloroethene
23.	2,2-Dichloropropane
24.	Bromochloromethane
25.	Chloroform
26.	Carbon tetrachloride
27.	Tetrahydrofuran (250ppb)
28.	Methyl acrylate
29.	Ethyl acetate
30.	1,1,1-Trichloroethane
31.	2-Butanone (250ppb)
32.	1,1-Dichloropropene
33.	Propionitrile

	Peaks
34.	Benzene
35.	Methacrylonitrile
36.	1,2-dichloroethane-d4
37.	1,2-Dichloroethane
38.	Isobutyl alcohol (400ppb)
39.	Fluorobenzene
40.	Isopropyl acetate
41.	Trichloroethene
42.	Dibromomethane
43.	1,2-Dichloropropane
44.	Bromodichloromethane
45.	Methyl methacrylate
46.	1,4-Dioxane (250ppb)
47.	n-Propyl acetate
48.	2-Chloroethyl vinyl ether
49.	cis-1,3-Dichloropropene
50.	Toluene-d8
51.	Toluene
52.	4-Methyl-2-pentanone (250ppb)
53.	Tetrachloroethene
54.	trans-1,3-Dichloropropene
55.	2-Bromo-1-chloropropane
56.	1,1,2-Trichloroethane
57.	Ethyl methacrylate
58.	Dibromochloromethane
59.	1,3-Dichloropropane
60.	1,2-Dibromoethane
61.	n-Butyl acetate
62.	2-Hexanone (250ppb)
63.	Chlorobenzene
64.	Ethylbenzene
65.	1,1,1,2-Tetrachloroethane
66.	m-Xylene

	Peaks
67.	p-Xylene
68.	1-Chloro-2-fluorobenzene
69.	o-Xylene
70.	Styrene
71.	Bromoform
72.	Isopropylbenzene
73.	4-Bromo-1-fluorobenzene
74.	cis-1,4-Dichloro-2-butene
75.	Bromobenzene
76.	1,4-Dichlorobutane
77.	n-Propylbenzene
78.	1,1,2,2-Tetrachloroethane
79.	2-Chlorotoluene
80.	1,2,3-Trichloropropane
81.	1,3,5-Trimethylbenzene
82.	trans-1,4-Dichloro-2-butene
83.	4-Chlorotoluene
84.	tert-Butylbenzene
85.	Pentachloroethane
86.	1,2,4-Trimethylbenzene
87.	sec-Butylbenzene
88.	p-Isopropyltoluene
89.	1,3-Dichlorobenzene
90.	1,4-Dichlorobenzene
91.	n-Butylbenzene
92.	1,2-Dichlorobenzene-D4
93.	1,2-Dichlorobenzene
94.	4-Bromo-1-chlorobenzene
95.	1,2-Dibromo-3-Chloropropane
96.	Nitrobenzene (250ppb)
97.	Hexachlorobutadiene
98.	1,2,4-Trichlorobenzene
99.	Naphthalene
100.	1,2,3-Trichlorobenzene

51A.1,1-dichloro-2-propanone (250ppb)

Standard/Sample
Column	Rtx-VMS, 60 m, 0.45 mm ID, 2.55 µm (cat.# 19909)
Conc.:	100 ppb in 25 mL of RO water (unless otherwise noted) ketones, acetates, & alcohols in at 2.5x
Injection	purge and trap split (split ratio 10:1)
Purge and Trap
Instrument:	Tekmar LSC-3000 Purge and Trap
Trap Type:	Vocarb 3000
Purge:	11 min, flow 40 mL/min
Dry Purge:	1 min, flow 40 mL/min
Desorb Preheat Temp.:	245 °C
Desorb:	2 min @ 250 °C, flow 10 mL/min
Bake:	8 min @ 260 °C
Interface Connection:	direct
Transfer Line Tubing:	0.32mm ID Siltek transfer line
Oven
Oven Temp.:	40 °C (hold 7 min) to 50 °C at 9 °C/min to 110 °C at 27 °C/min (hold 1 min) to 225 °C at 40 °C/min (hold 3 min)
Carrier Gas	He

Detector	MS
Mode:	Scan
Scan Range:	35-300 amu
Instrument	HP5890 GC & 5971 MSD
Notes	Carrier gas: constant pressure at ~ 10 mL/min. Adjust dichlorodifluoromethane to a retention time of 1.72 min. @ 40°C. Dry purge: MCS bypassed using Silcosteel tubing.

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