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Volatile Organics by EPA Method 502.2 on Rtx-502.2

GC_EV00005
Peaks
1.Dichlorodifluoromethane
2.Chloromethane
3.Vinyl chloride
4.Bromomethane
5.Chloroethane
6.Trichlorofluoromethane
7.Freon 113
8.1,1-Dichloroethene
9.Allyl chloride
10.Methylene chloride
11.Methyl tert-butyl ether
12.trans-1,2-Dichloroethene
13.1,1-Dichloroethane
14.Chloropropene (40 ppb)
15.2,2-Dichloropropane
16.cis-1,2-Dichloroethene
17.Chloroform
18.Bromochloromethane
19.1,1,1-Trichloroethane
20.1,1-Dichloropropene
21.Carbon tetrachloride
22.1,2-Dichloroethane
23.Benzene
Peaks
24.Fluorobenzene (SS)
25.Trichloroethene
26.1,2-Dichloropropane
27.Bromodichloromethane
28.Dibromomethane
29.2-Chloroethyl vinyl ether
30.cis-1,3-Dichloropropene
31.Toluene
32.trans-1,3-Dichloropropene
33.1,1,2-Trichloroethane
34.2-Bromo-1-chloropropane (IS)
35.1,3-Dichloropropane
36.Tetrachloroethene
37.Dibromochloromethane
38.1,2-Dibromoethane
39.Chlorobenzene
40.1,1,1,2-Tetrachloroethane
41.Ethylbenzene
42.m-Xylene
43.p-Xylene
44.1-Chloro-2-fluorobenzene (IS)
45.o-Xylene
46.Styrene
Peaks
47.Bromoform
48.Isopropylbenzene
49.1,4-Dichlorobutane (SS)
50.1,1,2,2-Tetrachloroethane
51.1,2,3-Trichloropropane
52.n-Propylbenzene
53.Bromobenzene
54.2-Chlorotoluene
55.1,3,5-Trimethylbenzene
56.4-Chlorotoluene
57.tert-Butylbenzene
58.1,2,4-Trimethylbenzene
59.sec-Butylbenzene
60.p-Isopropyltoluene
61.1,3-Dichlorobenzene
62.1,4-Dichlorobenzene
63.Benzyl chloride
64.n-Butylbenzene
65.1,2-Dichlorobenzene
66.1,2-Dibromo-3-Chloropropane
67.4-Bromochlorobenzene (SS)
68.1,2,4-Trichlorobenzene
69.Hexachlorobutadiene
70.Naphthalene
71.1,2,3-Trichlorobenzene
ColumnRtx-502.2, 75 m, 0.45 mm ID, 2.55 µm (cat.# 10986)
Sample502.2 CAL2000 MegaMix Mixture (cat.# 30431)
502.2 Calibration Mix #1A (cat.# 30439)
502.2 Internal Standard Mix #2 (cat.# 30041)
1-chloro-2-fluorobenzene (cat.# 30040)
4-bromochlorobenzene (cat.# 30230)
2-chloroethyl vinyl ether (cat.# 30265)
1,4-dichlorobutane (cat.# 30227)
methyl tert-butyl ether (MTBE) (cat.# 30402)
and custom mixtures of Freon 113, allyl chloride, chloroprene, and benzyl chloride.
Diluent:RO water
Conc.:20 ppb in 5 mL
Injectionpurge and trap splitless
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
Bake: 8 min @ 260 °C
Oven
Oven Temp.:35 °C (hold 6 min) to 115 °C at 11 °C/min (hold 7 min) to 130 °C at 7 °C/min to 220 °C at 9.2 °C/min (hold 4 min)
Carrier GasHe
DetectorμGold Tandem PID/HALL 2000
InstrumentFinnigan 9001
NotesCarrier Gas: constant pressure @ 9 mL/min.

PID: makeup 7 mL/min., purge 7 mL/min. set @ 0.35 mV, base temp. 200 °C
Hall 2000: Rxn gas 25mL/min., Rxn temp. 940 °C, propanol flow 470 μL/min.
AcknowledgementFinnigan 9001 GC, μGold Tandem Photoionization/HALL 2000 Electrolytic Conductivity Detector provided courtesy of Thermo Finnigan GC & GC/MS Division, 2215 Grand Avenue Pkwy, Austin, Texas 78728