EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9080 trans-1,3-Dichloro-1-propene Price on request 678200 Gibberellin A4+A7, 10mg Price on request 70399 3-Chlorophenol Price on request