EPA Method 500 Series Internal Standard Back Catalog number: 31004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended TCS 5-Chloro-2-(2,4-dichlorophenoxy)phenol, 1.2ml x 50ug/ml, nonane Price on request 3437.15-100-EA Metalaxyl Price on request 8891.14-100-T 4-Fluorophenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 521-66-4 Price on request