EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90496 2,6-Dimethylnaphthalene Price on request 9838.12-10MG Furosemid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 54-31-9 Price on request 2352.16-100-ME Tetrabutylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1643-19-2 Price on request