7-Minute Analysis of Organochlorine Pesticides (EPA Method 8081) on Rtx-CLPesticides and Rtx-CLPesticides2 Using Helium

	Peaks	Conc. (µg/mL)
1.	Tetrachloro-m-xylene	20
2.	Hexachlorobenzene	5
3.	α-BHC	5
4.	γ-BHC	5
5.	β-BHC	5
6.	δ-BHC	5
7.	Heptachlor	5
8.	Aldrin	5
9.	Heptachlor epoxide	5
10.	trans-Chlordane	5
11.	cis-Chlordane	5

	Peaks	Conc. (µg/mL)
12.	Endosulfan I	5
13.	4,4'-DDE	10
14.	Dieldrin	10
15.	Endrin	10
16.	4,4'-DDD	10
17.	Endosulfan II	10
18.	4,4'-DDT	10
19.	Endrin aldehyde	10
20.	Endosulfan sulfate	10
21.	Methoxychlor	50
22.	Endrin ketone	10
23.	Decachlorobiphenyl	20

GC_EV1323

Columns	Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
	and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141)
	using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039)
	with universal “Y” Press-Tight connector (cat.# 20406-261)
Sample	Organochlorine pesticide mix AB #2 (cat.# 32292)
	Hexachlorobenzene (cat.# 32231)
	2,4,5,6-Tetrachloro-m-xylene (cat.# 32027)
	Decachlorobiphenyl (BZ #209) (cat.# 32029)
Diluent:	n-Hexane
Injection
Inj. Vol.:	2 µL splitless (hold 0.3 min)
Liner:	Premium 4 mm single taper w/wool (cat.# 23303.5)
Inj. Temp.:	250 °C
Purge Flow:	50 mL/min
Oven
Oven Temp.:	120 °C to 200 °C at 45 °C/min to 230 °C at 15 °C/min to 330 °C at 30 °C/min (hold 2 min)
Carrier Gas	He, constant flow
Linear Velocity:	71 cm/sec
Detector	Micro-ECD @ 340 °C
Make-up Gas Flow Rate:	50 mL/min
Make-up Gas Type:	N2
Data Rate:	50 Hz
Instrument	Agilent/HP6890 GC

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EPA Method 8081

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