Volatile Organics by EPA Method 8260 (80ppb Standard) on Rtx-VMS

Peaks
1.Dichlorodifluoromethane
2.Chloromethane
3.Vinyl chloride
4.Bromomethane
5.Chloroethane
6.Trichlorofluoromethane
7.Diethyl ether
8.1,1-Dichloroethene
9.Carbon disulfide
10.1,1,2-Trichloro-1,2,2-trifluoroethane
11.Iodomethane
12.Allyl chloride
13.Methylene chloride
14.Acetone
15.trans-1,2-Dichloroethene
16.Methyl-D3-tert-butyl-ether
17.Methyl acetate
18.Methyl tert-butyl ether
19.tert-Butyl alcohol
20.Acetonitrile
21.Diisopropyl ether
22.Chloroprene
23.1,1-Dichloroethane
24.Acrylonitrile
25.Ethyl tert-butyl ether
26.cis-1,2-Dichloroethene
27.2,2-Dichloropropane
28.Bromochloromethane
29.Chloroform
30.Carbon tetrachloride
31.Tetrahydrofuran
32.Methyl acrylate
33.1,1,1-Trichloroethane
34.Dibromofluoromethane
35.1,1-Dichloropropene
36.2-Butanone
37.Benzene
38.Propionitrile
39.Methacrylonitrile
40.1,2-Dichloroethane-D4
41.Pentafluorobenzene
42.tert-Amyl methyl ether
43.1,2-Dichloroethane
44.Isobutyl alcohol
45.Trichloroethene
46.1,4-Difluorobenzene
47.Dibromomethane
48.1,2-Dichloropropane
49.Bromodichloromethane
50.Methyl methacrylate
51.cis-1,3-Dichloropropene
Peaks
52.2-Chloroethyl vinyl ether
53.Toluene-d8
54.Toluene
55.2-Nitropropane
56.Tetrachloroethene
57.2-Bromo-1-chloropropane
58.4-Methyl-2-pentanone
59.trans-1,3-Dichloropropene
60.1,1,2-Trichloroethane
61.Ethyl methacrylate
62.Dibromochloromethane
63.1,3-Dichloropropane
64.1,2-Dibromoethane
65.2-Hexanone
66.Chlorobenzene-D5
67.Chlorobenzene
68.Ethylbenzene
69.1,1,1,2-Tetrachloroethane
70.m-Xylene
71.p-Xylene
72.o-Xylene
73.Bromoform
74.Styrene
75.Isopropylbenzene
76.4-Bromo-1-fluorobenzene
77.Bromobenzene
78.cis-1,4-Dichloro-2-butene
79.1,4-Dichlorobutane
80.n-Propylbenzene
81.1,1,2,2-Tetrachloroethane
82.2-Chlorotoluene
83.1,2,3-Trichloropropane
84.1,3,5-Trimethylbenzene
85.trans-1,4-Dichloro-2-butene
86.4-Chlorotoluene
87.tert-Butylbenzene
88.Pentachloroethane
89.1,2,4-Trimethylbenzene
90.sec-Butylbenzene
91.p-Isopropyltoluene
92.1,3-Dichlorobenzene
93.1,4-Dichlorobenzene-D4
94.1,4-Dichlorobenzene
95.n-Butylbenzene
96.1,2-Dichlorobenzene
97.1,2-Dibromo-3-chloropropane
98.Nitrobenzene
99.Hexachlorobutadiene
100.1,2,4-Trichlorobenzene
101.Naphthalene
102.1,2,3-Trichlorobenzene
*Carbon dioxide
image
GC_EV00685
ColumnRtx®-VMS, 30 m, 0.25 mm ID, 1.4 µm (cat.# 19915)
Sample8260B MegaMix® calibration mix kit (cat.# 30475)
California oxygenates mix (cat.# 30465)
VOA calibration mix #1 (ketones) (cat.# 30006)
8260A surrogate mix (cat.# 30240)
8260 internal standard mix (cat.# 30074)
Injectionpurge and trap split (split ratio 25:1)
Inj. Temp.:250 °C
Purge and Trap
Instrument:O.I. Analytical 4560 with 4551A Autosampler
Trap Type:#10 (Tenax®/silica gel/carbon molecular sieve)
Purge: 11 min @ 20 °C, flow 38 mL/min
Desorb Preheat Temp.:150 °C
Desorb: 1.0 min @ 190 °C, flow 32 mL/min
Bake: 10 min @ 210 °C
Transfer Line Temp.:110 °C
Oven
Oven Temp.:35 °C (hold 7 min) to 90 °C at 4 °C/min to 220 °C at 45 °C/min (hold 1 min)
Carrier GasHe, constant flow
Flow Rate:1.3 mL/min
Dead Time:1.47 min @ 35 °C
DetectorAgilent 5971A GC-MS
Transfer Line Temp.:280 °C
Tune Type:PFTBA/BFB
Scan Range:35-260 amu
NotesSample Size: 10 mL
Sample Temp: 40 °C
Water Management: 110 °C purge, 0 °C desorb, 240 °C bake
6-Port Valve: 110 °C
Sparge Mount: 45 °C
Valve Manifold: 50 °C
Other Conditions: prepurge, preheat, dry purge OFF
AcknowledgementPurge & trap courtesy of O.I. Analytical
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