EPA Method 552 Internal Standard Back Catalog number: 30055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBDE-15 4,4'-Dibromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 2722.16-K-IO 2-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5495-84-1 Price on request 8906.17-100-MEX10 (-)-Scopolamine hydrobromide trihydrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-10, Cas.no. 114-49-8 Price on request