Pesticides & Herbicides U.S. EPA Method 508.1 Rtx-CLPesticides & Rtx-CLPesticides2

	Peaks
1.	Hexachlorocyclopentadiene
2.	Etridiazole
3.	Chlorneb
4.	Propachlor
5.	Trifluralin
6.	Hexachlorobenzene
7.	α-BHC
8.	Simazine
9.	Atrazine
10.	Pentachloronitrobenzene (IS)
11.	γ-BHC
12.	β-BHC

	Peaks
13.	δ-BHC
14.	Heptachlor
15.	Chlorothalonil
16.	Metribuzin
17.	Alachlor
18.	Aldrin
19.	4,4'-Dibromobiphenyl (SS)
20.	Metolaclor
21.	DCPA methyl ester (Chlorthal-dimethyl)
22.	Heptachlor epoxide
23.	trans-Chlordane
24.	Cyanazine

Injection
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 deactivated universal “Y” Press-Tight connector (cat.# 20405-261)

Standard/Sample	50 ng/mL 508.1 calibration mix #1 (cat.# 32094)
	100 ng/mL 508.1 calibration mix #2 (cat.# 32095)
	100 ng/mL 508.1 calibration mix #3 (cat.# 32096)
	50 ng/mL pentachloronitrobenzene (cat.# 32091)
	250 ng/mL 4,4'-dibromobiphenyl (cat.# 32092)
	500 ng/mL atrazine (cat.# 32208)
	500 ng/mL simazine (cat.# 32236)

Diluent:	Ethyl acetate
Inj. Vol.:	2 µL splitless (hold 0.75 min)
Liner:	Cyclo double taper (4 mm) (cat.# 20896)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	80 °C (hold 0.5 min) to 155 °C at 19 °C/min (hold 1 min) to 210 °C at 4 °C/min to 310 °C at 25 °C/min (hold 0.5 min)
Carrier Gas	He, constant flow
Linear Velocity:	26 cm/sec

Detector	Micro-ECD @ 325 °C
Notes	This chromatogram was obtained using an Agilent micro-ECD. To obtain comparable results, you will need to employ a micro-ECD in addition to confirmational dual columns connected to a 5-meter guard column using a “Y” Press-Tight connector.

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