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

GC_EV00685

	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

	Peaks
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
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

	Peaks
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

Oven
Column	Rtx-VMS, 30 m, 0.25 mm ID, 1.4 µm (cat.# 19915)
Sample	8260B 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)
Injection	purge 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 Temp.:	35 °C (hold 7 min) to 90 °C at 4 °C/min to 220 °C at 45 °C/min (hold 1 min)
Carrier Gas	He, constant flow
Flow Rate:	1.3 mL/min
Dead Time:	1.47 min @ 35 °C

Detector	Agilent 5971A GC-MS
Transfer Line Temp.:	280 °C
Tune Type:	PFTBA/BFB
Scan Range:	35-260 amu
Notes	Sample 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
Acknowledgement	Purge & trap courtesy of O.I. Analytical

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