EPA Method 515.1 Internal Standard Back Catalog number: 30023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10737.12-100-IO 2,2',3,5,5',6-Hexachlorobiphenyl Price on request 9228.13-50-ME 1H,1,H,2H,2H-Perfluorodecyl acrylate, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27905-45-9 Price on request S-4038-2 Sulfur System Test Mixture, 10mL in Toluene/Isooctane (1:9) S-4038-1 S-4038-2 100 ppm 0.1 ppm Dimethyl sulfide 100 ppm 0.1 ppm 2-Propanethiol 10 000 ppm 10 ppm Price on request