Semi-Volatile Mix #2

Imidacloprid guanidine hydrochloride, 100 µg/ml,

Ethanol standard in water,0.2g/L,water, 3mL

1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane