0.50 ng/L N-Nitrosodimethylamine (NDMA) Laboratory Fortified Drinking Water Sample Extract on Rxi-5Sil MS

	Peaks	Conc. (ng/mL)	m/z
1.	N-Nitrosodimethylamine-d6	10	80
2.	N-Nitrosodimethylamine	0.025	74

Sample fortified at 0.5 ng/L N-nitrosodimethylamine. Final extract concentration is 0.025 ng/mL.

Standard/Sample
Column	Rxi-5Sil MS, 30 m, 0.25 mm ID, 1.00 µm (cat.# 13653)
	using Rxi guard column 10 m, 0.53 mm ID (cat.# 10073)
	with SGE µ-union
Diluent:	Dichloromethane
Injection
Inj. Vol.:	50 µL splitless (hold 1.5 min)
Liner:	Custom Premium single taper liner with 15 mg quartz wool
Inj. Temp.:	275 °C
Purge Flow:	100 mL/min
Oven
Oven Temp.:	35 °C (hold 1.5 min) to 50 °C at 50 °C/min (hold 7.1 min) to 320 °C at 11.12 °C/min (hold 1.5 min)
Carrier Gas	He, flow program
Flow Program:	5.08 mL/min (hold 8.9 min) to 2.0 mL/min at 1.0 mL/min/min

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