WP Amp 1 Trace Elements - Cal Check

Dibenzo[2,3;10,11]peryleno[1,12-bcd]thiophene, 20µg/mL, Solvent-chlorobenzene, Unit 1mL, # of units-1, Cas.no. 196-23-6

EPA Method 539Mix #2

Mefenacet, 100 µg/ml, Acetonitrile, 1ml