EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L429-RS Method 429 Recovery Standard Solution, 100µg/ml in Isooctane/10% toluene, 1,2ml Price on request 675450 Ampicillin trihydrate, 100mg Price on request 74194 Mandipropamid, 1000μg/ml in Acetonitrile, 1ml Price on request