Organochlorine Pesticides US EPA Method 8081 on Rtx-440

	Peaks	tR (min)	on column concentration ppb
1.	2,4,5,6-tetrachloro- m-xylene (ss)	3.538	80
2.	α-BHC	3.931	80
3.	γ-BHC	4.211	80
4.	β-BHC	4.356	80
5.	δ-BHC	4.560	80
6.	Heptachlor	4.715	80
7.	Aldrin	4.995	80
8.	Heptachlor epoxide	5.346	80
9.	γ-Chlordane	5.576	80
10.	α-Chlordane	5.653	80
11.	Endosulfan I	5.698	80
12.	4,4’-DDE	5.800	160
13.	Dieldrin	5.959	160
14.	Endrin	6.190	160
15.	4,4’-DDD	6.309	160
16.	Endosulfan II	6.404	160
17.	endrin aldehyde	6.543	160
18.	4,4’-DDT	6.662	160
19.	Endosulfan sulfate	6.810	160
20.	Methoxychlor	7.198	800
21.	Endrin ketone	7.355	160
22.	decachlorobiphenyl (ss)	8.813	160

GC_EV00733

Column	Rtx-440, 30 m, 0.32 mm ID, 0.50 µm (cat.# 12939)
	using IP Deactivated Guard Column 5 m, 0.32 mm ID (cat.# 10044)
Sample	Organochlorine Pesticide Mix AB #2 (cat.# 32292)
	2,4,5,6-Tetrachloro-m-xylene (cat.# 32027)
	Decachlorobiphenyl (BZ #209) (cat.# 32029)
Diluent:	Hexane
Injection
Inj. Vol.:	1.0 µL splitless (hold 0.75 min)
Liner:	Drilled Uniliner (hole near top) (cat.# 21055)
Inj. Temp.:	225 °C
Oven
Oven Temp.:	140 °C (hold .5 min) to 268 °C at 30 °C/min to 290 °C at 11 °C/min to 330 °C at 25 °C/min (hold 5 min)
Carrier Gas	H2, constant pressure
Linear Velocity:	73 cm/sec @ 140 °C
Detector	ECD @ 320 °C

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