EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679034 Cyazofamid, 10 µg/ml, Cyclohexane, 10ml Price on request 684461 Metazosulfuron, 10mg Price on request C11610000 Chlorsulfuron, 100mg Price on request