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Volatile Organics by EPA Method 8021A/502.2 on Rtx-502.2

GC_EV00419
Peaks
1.Dichlorodifluoromethane
2.Chloromethane
3.Vinyl chloride
4.Bromomethane
5.Chloroethane
6.Trichlorofluoromethane
7.1,1-Dichloroethene
8.Allyl chloride
9.Methylene chloride
10.trans-1,2-Dichloroethene
11.Methyl tert-butyl ether
12.1,1-Dichloroethane
13.cis-1,2-Dichloroethene
14.2,2-Dichloropropane
15.Bromochloromethane
16.Chloroform
17.Carbon tetrachloride
18.1,1,1-Trichloroethane
19.1,1-Dichloropropene
20.Benzene
21.1,2-Dichloroethane
22.Fluorobenzene (SS)
Peaks
23.Trichloroethene
24.Dibromomethane
25.1,2-Dichloropropane
26.Bromodichloromethane
27.1-Bromo-2-chloroethane (SS)
28.cis-1,3-Dichloropropene
29.Toluene
30.Tetrachloroethene
31.trans-1,3-Dichloropropene
32.1,1,2-Trichloroethane
33.Dibromochloromethane
34.1,3-Dichloropropane
35.1,2-Dibromoethane
36.Chlorobenzene
37.Ethylbenzene
38.1,1,1,2-Tetrachloroethane
39.m-Xylene
40.p-Xylene
41.1-Chloro-2-fluorobenzene (SS)
42.o-Xylene
43.Styrene
44.Bromoform
Peaks
45.Isopropylbenzene
46.Bromobenzene
47.n-Propylbenzene
48.1,1,2,2-Tetrachloroethane
49.2-Chlorotoluene
50.1,2,3-Trichloropropane
51.1,3,5-Trimethylbenzene
52.4-Chlorotoluene
53.tert-Butylbenzene
54.1,2,4-Trimethylbenzene
55.sec-Butylbenzene
56.p-Isopropyltoluene
57.1,3-Dichlorobenzene
58.1,4-Dichlorobenzene
59.n-Butylbenzene
60.1,2-Dichlorobenzene
61.1,2-Dibromo-3-Chloropropane
62.2-Bromo-1-chlorobenzene (SS)
63.Hexachlorobutadiene
64.1,2,4-Trichlorobenzene
65.Naphthalene
66.1,2,3-Trichlorobenzene
ColumnRtx-502.2, 75 m, 0.45 mm ID, 2.55 µm (cat.# 10986)
with Universal “Y” Press-Tight Connector (cat.# 20405)
Sample
Diluent:RO water
Conc.:10 ppb in 5 mL
Injectionpurge and trap splitless
Purge and Trap
Instrument:Tekmar LSC3100 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
Interface Connection:direct
Transfer Line Tubing:0.32mm ID Siltek Guard Column (cat.# 10027)
Oven
Oven Temp.:50 °C (hold 2 min) to 70 °C at 2 °C/min to 130 °C at 9 °C/min to 200 °C at 40 °C/min (hold 5 min)
Carrier GasHe
DetectorµGold Tandem PID/Hall
Reaction Gas Flow:7 mL/min
Ionization Potential:0.35 mV
Base Temp.:200 °C
InstrumentFinnigan 9001
NotesCarrier Gas: constant pressure @ ~ 10 mL/min.
Adjust dichlorodifluoromethane to a retention time of 2.28 min. @ 50°C on the Rtx-VGC column.

PID: makeup 7mL/min.
Hall2000: RxnGas 25mL/min., RxnTemp 940°C, Propanol Flow 470 μL/min.

Primary Column: Rtx-VGC, 75m, 0.45mm ID, 2.55μm (cat.# 19409)
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
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