EPA Method 507 - Internal Standard Back Catalog number: 19031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3329.12-100-CY Carbaryl Price on request 38242 RCRA OrganoNitrogen Pesticides Price on request 91206 EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Price on request