Activated Carbon (Charcoal) SPE Cartridges for EPA Methods 521 and 522
The activated carbon or charcoal SolEx^™ SPE cartridges can be used for the extraction of nitrosamines in drinking water (EPA Method 521) and for the extraction of 1,4-dioxane in drinking water (EPA Method 522).  They are available in 6 mL cartridges with 2.0 g of packing.

Graphitized Carbon SPE Cartridges for EPA Method 535
The graphitized carbon SolEx SPE cartridges can be used for the extraction of herbicides from drinking water (EPA Method 535).  They are available in 6 mL cartridges with 0.5 g of packing.