EPA Method 8010B - Surrogate Standard Back Catalog number: 80109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676674 D7-Metoprolol tartrate, 10mg Price on request 1172.11-K-IO 4-Methyldecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2847-72-5 Price on request 11281.16-100-AN (+/-)-Tebuconazole-d4 (4-chlorophenyl-d4),100 µg/mL,acetonitrile,1mL, Price on request