Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53145 Method 200.8/1638/1640 Internal Standard Price on request 38235 WS Drinking Water Kit Price on request P-024S-1 o,p'-DDD, 200µg/ml in Isooctane, 1ml Price on request