Semivolatiles on Rxi-5Sil MS by U.S. EPA Method 8270 Using the GC Accelerator Kit and Split Injection with a 208 V GC Oven

	Peaks	t_R (min)
32.	4-Chloroaniline	2.89
33.	Hexachlorobutadiene	2.93
34.	4-Chloro-3-methylphenol	3.09
35.	2-Methylnaphthalene	3.17
36.	1-Methylnaphthalene	3.21
37.	Hexachlorocyclopentadiene	3.23
38.	2,4,6-Trichlorophenol	3.28
39.	2,4,5-Trichlorophenol	3.30
40.	2-Fluorobiphenyl (SS)	3.32
41.	2-Chloronaphthalene	3.38
42.	2-Nitroaniline	3.41
43.	1,4-Dinitrobenzene	3.46
44.	Dimethyl phthalate	3.49
45.	1,3-Dinitrobenzene	3.50
46.	2,6-Dinitrotoluene	3.51
47.	1,2-Dinitrobenzene	3.54
48.	Acenaphthylene	3.56
49.	3-Nitroaniline	3.59
50.	Acenaphthene-d10 (IS)	3.62
51.	Acenaphthene	3.63
52.	2,4-Dinitrophenol	3.63
53.	4-Nitrophenol	3.65
54.	2,4-Dinitrotoluene	3.69
55.	Dibenzofuran	3.70
56.	2,3,5,6-Tetrachlorophenol	3.73
57.	2,3,4,6-Tetrachlorophenol	3.75
58.	Diethyl Phthalate	3.79
59.	4-Chlorophenyl phenyl ether	3.84
60.	Fluorene	3.85
61.	4-Nitroaniline	3.85
62.	4,6-Dinitro-2-methylphenol	3.86

	Peaks	t_R (min)
63.	N-Nitrosodiphenylamine (as diphenylamine)	3.89
64.	N-N-Diphenylhydrazine (as azobenzene)	3.91
65.	2,4,6-Tribromophenol (SS)	3.95
66.	4-Bromophenyl phenyl ether	4.06
67.	Hexachlorobenzene	4.09
68.	Pentachlorophenol	4.17
69.	Phenanthrene-d10 (IS)	4.26
70.	Phenanthrene	4.27
71.	Anthracene	4.29
72.	Carbazole	4.36
73.	di-n-Butyl phthalate	4.49
74.	Fluoranthene	4.79
75.	Pyrene	4.79
76.	Benzidine	4.84
77.	Pyrene-d10 (IS)	4.89
78.	p-Terphenyl-d14 (SS)	4.96
79.	Butyl benzyl phthalate	5.19
80.	3,3'-Dimethylbenzidine	5.20
81.	Bis(2-ethylhexyl) adipate	5.22
82.	3,3'-Dichlorobenzidine	5.52
83.	Bis(2-ethylhexyl) phthalate	5.53
84.	Benz[a]anthracene	5.55
85.	Chrysene-d12 (IS)	5.56
86.	Chrysene	5.58
87.	Di-n-octyl phthalate	6.02
88.	Benzo[b]fluoranthene	6.40
89.	Benzo[k]fluoranthene	6.42
90.	Benzo[a]pyrene	6.71
91.	Perylene-d12 (IS)	6.77
92.	Indeno[1,2,3-cd]pyrene	7.98
93.	Dibenz[a,h]anthracene	8.01
94.	Benzo[ghi]perylene	8.30

Injection
Column	Rxi-5Sil MS, 20 m, 0.15 mm ID, 0.15 µm (cat.# 43816)
Standard/Sample	8270 MegaMix (cat.# 31850)
	8270 Benzidines mix (cat.# 31852)
	Benzoic acid (cat.# 31879)

	Revised B/N surrogate mix (cat.# 31888)
	Acid surrogate mix (4/89 SOW) (cat.# 31063)
	Revised SV internal standard mix (cat.# 31886)
Diluent:	Methylene chloride
Conc.:	20 µg/mL (IS/SS 20 µg/mL)
Inj. Vol.:	1 µL split (split ratio 20:1)
Liner:	Topaz 4 mm single taper w/wool (cat.# 23303)
Inj. Temp.:	275 °C
Oven
Oven Temp.:	45 °C (hold 0.5 min) to 285 °C at 56.5 °C/min to 305 °C at 6 °C/min to 330 °C at 60.5 °C/min (hold 2.5 min)
Carrier Gas	He, constant flow
Flow Rate:	1.0 mL/min

Detector	MS
Mode:	Scan
Transfer Line Temp.:	280 °C
Analyzer Type:	Quadrupole
Source Temp.:	330 °C
Quad Temp.:	180 °C
Electron Energy:	70 eV
Solvent Delay Time:	1.3 min
Tune Type:	DFTPP
Ionization Mode:	EI
Scan Range:	39-550 amu
Scan Rate:	9.8 scans/sec
Instrument	Agilent 7890B GC & 5977A MSD
Notes	Analyzed using a 208 V oven equipped with the GC Accelerator kit (cat.# 23849).

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