EPA Method 508.1 & 525.2 Pesticide Standard Back Catalog number: 91970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1025.X-100MG Purified asfalthenes from North Sea Oil,neat,neat,100mg, Price on request D465480 Dimethachlor CGA 369873, 25mg Price on request 674529 Benzyldimethyltetradecylammonium chloride, 10.0 µg Price on request