Benz[a]anthracene, 100 µg/ml, Acetonitrile, 1ml

4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml

MCPB-methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 57153-18-1

pH 5.0 Standard @ 25°C