EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678375 Cypermethrin, 100 µg/ml, Acetonitrile, 5ml Price on request 11113.8-50-ME 1,2-Dibromo-4-(1,2-dibromomethyl)cyclohexane,50 µg/mL,MeOH,1mL, Price on request 82473 CCC Class I- Method 8261 Price on request