EPA Method 507 - Performance Check Solution Back Catalog number: 19130 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9182 Phorate Price on request 3267.19-K-IO Methyl 9-trans,12-trans-octadecadienoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2566-97-4 Price on request MENDOS-S (13C9)Endosulfan Sulfate, 100µg/ml in Nonane, 1,2ml Price on request