Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59913 Metals Mix Price on request 96899 EPA Method 8260 - Purgeable Internal Standard Price on request 673571 Ethofumesate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request