WS Chorinated DBP’s - EPA Method 551

3-Chloro-1,2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 96-24-2

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Dapsone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-08-0