EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1347.7-7.5MGX20 3,4-Dimercaptotoluene, neat, Solvent-neat, Unit 7.5mg, # of units-20, Cas.no. 496-74-2 Price on request 96768 Sodium Benzoate & Potassium Sorbate (0.2%) Price on request 10631.12-50-NN 1,2,3,7,8-Pentabromodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request