EPA Method 525 Spike B Back Catalog number: 92313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675578 Thiobencarb, 100 µg/ml, Ethyl acetate, 5ml Price on request 94501 Chlorinated Aromatics Standard Price on request 70246 cis-Permethrin, 1000µg/ml in MeOH, 1ml Price on request