EPA 1638Mix A Back Catalog number: 52144 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90518 Phenols Standard Price on request 1986.12-K-5ME Diphenyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 5mL, # of units-1, Cas.no. 1135-99-5 Price on request L20695000CY Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml Price on request