CLP - Pesticide Surrogate Spike Solution Back Catalog number: 21023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98860 Formaldehyde-DNPH Level 3 (1.0ug/mL) Price on request 70366 1,3-Dinitrobenzene Price on request 684390 4,4'-DDT, 100 µg/ml, Cyclohexane, 1ml Price on request