Ethanol standard in water,1.5g/L,water, 1.5mL

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

Potassium (K)

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl