Ethanol standard in water,0.3g/L,water, 3mL

(2R,3R)rel2,3Dihydroxy-2-methylbutanoic Acid,500mg

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

2-Ethylhexyl-2,3,4,5-tetrabromobenzoate, 100 µg/ml