EPA Method 8010B - Surrogate Standard Back Catalog number: 80109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16140000 Phosphamidon, certified, 0.1g Price on request 79137 Oxydemeton methyl Price on request S686752 Stigmasterol-d6 (Major), 2,5mg Price on request