Silthiofam, 100 µg/ml, Ethyl acetate, 5ml

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

2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg,

EPA Method 502/524 Volatile Standard