Malathion, 100µg/ml in MeOH, 1ml

Chlorothalonil, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',5,5',6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Nitrate & Nitrite as N