WS Chorinated DBP’s - EPA Method 551

Pyrene-1-sulfonic acid sodium salt, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 59323-54-5

Atenolol, 100 µg/ml, Methanol, 1ml

PCB 52-d3, 10µg/ml in Cyclohexane, 5ml