CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 22016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30078 EPA Method 548.1 Internal Standard Price on request 675033 Sodium Dodecylbenzenesulfonate (soft type) (LAS 10 Price on request ZA22100100CY Toxaphene Mix 1, 1 ng/µl, 1ml Price on request