Added to lists and added conversions
Added to lists and added conversions

Added chemicals to parameter group lists.  Added alkalinity conversions, bicarbonate conversions, carbonate conversions, and nitrate nitrite conversions.
inkenbrandt/ugs-chemistry,agrc/ugs-chemistry,inkenbrandt/ugs-chemistry,agrc/ugs-chemistry,inkenbrandt/ugs-chemistry,inkenbrandt/ugs-chemistry,agrc/ugs-chemistry