Type and Toxicity of Pesticides Sold for Community Vector Control Use in the Gambia

Table 1

GC-MS operating conditions for analysis of pesticide samples.

GC/MS parameter	Component or setting
Gas chromatograph	Agilent 6890 N
Mass detector	Agilent 5973
Column	HP-5MS (30 m × 0.25 mm id, 0.25 μm)
Carrier gas	Helium
Purge flow and time	25.5 mL/min at 1.5 min
Injection	1-μL splitless or split with different split ratios (up to 80 : 1). Pulsed pressure injection (40 psi for 0.8 min)
Inlet temperature	325°C
Column temperature program	40°C (2 min); 30°C min^−1 to 325°C (hold 7 min)
Detector temperature	230°C source; 150°C quadrupole
MSD transfer line	325°C