Table 1.

Nominal instrument parameters.

GC Parameter	Setting
GC System	Agilent 7890A GC/Agilent 6890 GC (Section 3.7, analyst 2 only)
Column	Agilent DB-1, 60m × 0.32 mm, 3.0 μm film thickness, P/N: 123-1064
Carrier Flow	18 psi (constant pressure)
Carrier Gas	Helium
Inlet Temperature	180 °C
Split Ratio	5:1
Oven Program	5 °C hold for 6 min, 25 °C/min to 250 °C, hold 5.6 min (variable)
Detector	FID
Detector Temperature	300 °C
Detector Gasses	Hydrogen: 40 mL/min.
	Air: 400 mL/min.
	Make up (He): 30 mL/min (Constant)
Analysis Time	20 min (variable)
Data Collection Rate	10 Hz
HS Parameter	Setting
Headspace Autosampler	Perkin Elmer Turbomatrix 40
Headspace Oven Temperature	110 °C (variable)
Needle Temperature	130 °C
Transfer Line Temperature	140 °C
GC Cycle Time	30 min
Vial Equilibration Time	10 min (variable)
Pressurization Time	2.0 min
Inject Time	0.05 min
Withdraw Time	0.2 min
Shaker	On
Vial Vent	On
Track Oven	Off
Carrier Pressure	24 psi