Swep, 10.0 µg/ml, Acetonitrile, 10ml

3-Chloro-1,2-propanediol, 250mg

Tris(4-isopropylphenyl) phosphate,50 µg/mL,toluene,1mL,

Atrazine desethyl, 100µg/mL in MeOH, 1ml