CLP Semi-Volatile Internal Standard

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

Methiocarb, 1000µg/ml in MeOH, 1ml

2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml