EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Back Catalog number: 91206 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1981.12-1G Tri-n-butyltin chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1461-22-9 Price on request 50735 Total Dissolved Solids Price on request 38186 CWA Dioxin Price on request