CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30022 EPA Method 515.1 Surrogate Standard Price on request 38226 See 38227 (Soil version) Price on request V10663000AL-100 Boscalid, 100µg/mL in Acetonitrile, 5ml Price on request