EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82534 EPA Method 8270C - B/N Matrix Spiking Solution Price on request 2255.31-10UG 17 alpha(H),21ß(H)-(22RS)-Homohopane, 10µg Price on request 676859 Anilofos, 100mg Price on request