EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3480.7-100-AN Phorate Price on request 673476 Azinphos-methyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 91108 Isofenphos Price on request