EPA Method 8270C Pesticide Mix #24 Back Catalog number: 91004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71971 bis(4-Chlorophenyl)acetic acid Price on request 97735 Herbicide Acids Standard Price on request 679432 D7-Propranolol hydrochloride, 100 µg/ml, Water, Price on request