EPA Method 8330 Analytes

4-tert-Butylcyclohexanecarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 5451-55-8

Cyenopyrafen, 100 µg/ml, Acetonitrile, 1ml

13C3-Caffeine, 100 µg/ml, Methanol, 1ml