EPA Method 507 - Performance Check Solution

3,3',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Common Anions Mix #1

Gonyautoxin-1 and -4, 106+35µM, Solvent-HCl/AcOH(Aq), Unit 0.5mL, # of units-1, Cas.no. 60748-39-2/64296-26-0