NJDEP EPH Aromatics on Rtx-5

Injection
Column	Rtx-5, 30 m, 0.32 mm ID, 0.25 µm (cat.# 10224)
Standard/Sample	NJDEP EPH 10/08 Rev.2 aliphatics (cat.# 30540)
	NJDEP EPH 10/08 Rev.2 aromatics (cat.# 30541)
	MA EPH surrogate spike mix (cat.# 31479)
	MA fractionation surrogate spike mix (cat.# 31480)
Diluent:	Hexane
Conc.:	200 ppm
Inj. Vol.:	1 µL splitless (hold 1.5 min)
Liner:	Gooseneck splitless (4 mm) w/wool (cat.# 22406)
Inj. Temp.:	280 °C
Purge Flow:	40 mL/min
Oven
Oven Temp.:	60 °C (hold 1 min) to 300 °C at 12 °C/min to 330 °C at 6 °C/min (hold 2 min)
Carrier Gas	He, constant pressure (18 psi, 124.1 kPa)
Temp.:	60 °C

Detector	FID @ 330 °C
Make-up Gas Flow Rate:	40 mL/min
Make-up Gas Type:	N₂
Instrument	HP5890 GC
Sample Preparation	A fractionation calibration check standard for the NJDEP EPH method was prepared and fractionated according to the method. See chromatogram GC_EV1208 for aliphatic fraction.

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