EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10:2FTS Sodium 1H,1H,2H,2H-perfluorododecane sulfonate (10:2), 50µg/ml in MeOH, 1,2ml Price on request 676828 Toltrazuril-sulfoxide, 10mg Price on request 70377 Epichlorohydrin, 1000µg/ml in MeOH, 1ml Price on request