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

C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5?(H),10ß(CH3)),10 µg/mL,isooctane,1mL,

EPA Method 300.0 Anions Mix

1,3,7-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane