EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71918 Acetic anhydride Price on request 79036 Naphthalene, 1000µg/ml in Acetonitrile, 1ml Price on request 38242 RCRA OrganoNitrogen Pesticides Price on request