EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8499.12-100-AN Dapsone Price on request 0700.13-500-IO 1,2,3-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 879-12-9 Price on request 674978 AMBA, 10mg Price on request