EPA Method 508 Pesticide Standard Back Catalog number: 92961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C987890 1,3-Cyclohexanedione, 5g Price on request 8688.8-100-AN Vamidothion Price on request 674644 Benzyldimethyloctadecylammonium chloride, 100mg Price on request