CLP Semi-Volatile - Low Conc Mix #1 Back Catalog number: 20055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680124 Pentachlorobenzene, 100 µg/ml, Cyclohexane, 1ml Price on request 93619 Urea & Caprolactam Price on request 674026 Clopyralid, 250mg Price on request