EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HBDE-4005N-1MG 6-Hydroxy-2,2',4,4'-tetrabromodiphenyl ether, 1mg Price on request 674814 Prothoate, 10mg Price on request 67037 Carbohydrate Mix - High Level Price on request