EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 676417 Fluazifop-butyl, 250mg Price on request 12068.11-250MG Sulfamerazine,neat,neat,250mg, Price on request 10915.22-10MG Diltiazem-d3 hydrochloride (acetoxy-d3),neat,neat,10mg Price on request