EPA Method 525 - Tuning Standard

Dimethyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-89-4

2,3,4,5-Tetramethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14503-51-6

(8S,9R,10R,11R)-rel-8,9,10,11-Tetrahydro-benz[a]anthracene-8,9,10,11-tetrol, , Solvent-, Unit , # of units-, Cas.no. 53760-22-8 (Unspecified stereochemistry)