CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0243.24-10MG Dibenzo[a,l]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-30-0 Price on request H825060 Hydroxy Chlorothalonil, 100mg Price on request 53134 Multi-Element Solution 2 Price on request