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

Parathion-methyl, 100 µg/ml, Toluene, 1ml

Phthalic acid, benzylbutyl ester, certified, 0.25g

1,1-Bis(4-hydroxyphenyl)cyclohexane, 1.2ml x 50ug/ml, methanol