ICP-MS Tuning Solution #1 EPA 200.8

2,4-Dihydroxybenzophenone-13C6, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 131-56-6 (unlabelled)

Volatile Standard

2,2’,3,4’,5,5’-Hexachlorobiphenyl