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

pH 7.0 Standard @ 25°C, in water, 100ml

6-Nitrobenzo[a]pyrene-d11, 100µg/ml in Toluene, 1ml

3,3',4,4',5,5'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane