EPA Method 500 Internal Standard #6

(+/-)-Anatoxin A, fumarate, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 64285-06-9

Parathion methyl

Tri-n-propylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 513-08-6