Semivolatiles on Rxi-5Sil MS by U.S. EPA Method 8270 Using the GC Accelerator Kit and Split Injection with a 120 V GC Oven

	Peaks	t_R (min)
32.	4-Chloroaniline	3.49
33.	Hexachlorobutadiene	3.54
34.	4-Chloro-3-methylphenol	3.77
35.	2-Methylnaphthalene	3.87
36.	1-Methylnaphthalene	3.93
37.	Hexachlorocyclopentadiene	3.97
38.	2,4,6-Trichlorophenol	4.04
39.	2,4,5-Trichlorophenol	4.06
40.	2-Fluorobiphenyl (SS)	4.09
41.	2-Chloronaphthalene	4.17
42.	2-Nitroaniline	4.23
43.	1,4-Dinitrobenzene	4.30
44.	Dimethyl phthalate	4.33
45.	1,3-Dinitrobenzene	4.35
46.	2,6-Dinitrotoluene	4.37
47.	1,2-Dinitrobenzene	4.41
48.	Acenaphthylene	4.42
49.	3-Nitroaniline	4.47
50.	Acenaphthene-d10 (SS)	4.51
51.	Acenaphthene	4.53
52.	2,4-Dinitrophenol	4.53
53.	4-Nitrophenol	4.56
54.	2,4-Dinitrotoluene	4.61
55.	Dibenzofuran	4.63
56.	2,3,5,6-Tetrachlorophenol	4.68
57.	2,3,4,6-Tetrachlorophenol	4.70
58.	Diethyl phthalate	4.76
59.	4-Chlorophenyl phenyl ether	4.83
60.	Fluorene	4.84
61.	4-Nitroaniline	4.85
62.	4,6-Dinitro-2-methylphenol	4.86

	Peaks	t_R (min)
63.	N-Nitrosodiphenylamine (as diphenylamine)	4.90
64.	Diphenylhydrazine (as azobenzene)	4.93
65.	2,4,6-Tribromophenol (SS)	4.98
66.	4-Bromophenyl phenyl ether	5.13
67.	Hexachlorobenzene	5.18
68.	Pentachlorophenol	5.29
69.	Phenanthrene-d10 (IS)	5.41
70.	Phenanthrene	5.43
71.	Anthracene	5.46
72.	Carbazole	5.55
73.	di-n-Butyl phthalate	5.75
74.	Fluoranthene	6.15
75.	Benzidine	6.23
76.	Pyrene-d10 (SS)	6.28
77.	Pyrene	6.30
78.	p-Terphenyl-d14 (SS)	6.38
79.	3,3'-Dimethylbenzidine	6.69
80.	Butyl benzyl phthalate	6.69
81.	Bis(2-ethylhexyl) adipate	6.74
82.	3,3'-Dichlorobenzidine	7.11
83.	Bis(2-ethylhexyl) phthalate	7.13
84.	Chrysene-d12 (IS)	7.14
85.	Benz[a]anthracene	7.14
86.	Chrysene	7.17
87.	Di-n-octyl phthalate	7.75
88.	Benzo[b]fluoranthene	8.20
89.	Benzo[k]fluoranthene	8.23
90.	Benzo[a]pyrene	8.59
91.	Perylene-d12 (IS)	8.67
92.	Indeno[1,2,3-cd]pyrene	10.20
93.	Dibenz[a,h]anthracene	10.24
94.	Benzo[ghi]perylene	10.63

Injection
Column	Rxi-5Sil MS, 20 m, 0.15 mm ID, 0.15 µm (cat.# 43816)
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.:	60 °C (hold 0.7 min) to 285 °C at 39.8 °C/min to 305 °C at 4.3 °C/min to 330 °C at 28.5 °C/min (hold 3.5 min)
Carrier Gas	He, constant flow
Flow Rate:	0.72 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 120 V oven equipped with the GC Accelerator kit (cat.# 23849).

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