EPA Method 8260B Purgeable Internal Standard

Saxitoxin dihydrochloride, 66.3µM, Solvent-3mM HCl, Unit 0.5mL, # of units-1, Cas.no. 35554-08-6

2-n-Butyl-5-ethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54411-06-2

Bendiocarb, 10.0 µg/ml, Ethyl acetate, 10ml