EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55137 SDWA Flame AA Metals Mix Price on request 676913 gamma-Cyhalothrin, 100mg Price on request XA10510100AC Bentazone D6 100 µg/mL in Acetone. Short expiry date due to chemical nature of component(s) Price on request