MA - EPH Fractionation Surrogate Spike Back Catalog number: 51039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 60039 Canadian Drinking Water Chlorinated Pesticides Price on request 1537.18-100-TX5 p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-51-0 Price on request 679772 Dimethametryn, 100 µg/ml, Acetonitrile, 1ml Price on request