EPA Method 502/524 Volatile Standard

Carbofuran-d3 (N-methyl-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1007459-98-4

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59660-24-1

1,4-Dioxane