Common Anions EPA 300A Mix Back Catalog number: 59422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11164.17-10MG Promazine hydrochloride,neat,neat,10mg, Price on request 10267.12-50-IO 3,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-78-5 Price on request 11760.12-100-IO 2,2',3,3',5,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request