pH

Presence/Absence of Hydrocarbon

Dissolved CO2
            10-100 ppm range
            100-1000 ppm range

Sulfide
            0-10 ppm range

Alkalinity
            4-500 ppm range

Hydrogen Sulfide
            0-5 ppm range

Iron
            0-100 ppm range

Chloride
            0-3000 ppm range

Bacteria
            SRBs
            APBs

Solids Spot
            Sulfide
            Carbonate

Sulfate
            200-1600 ppm range

Carbonate
            0-180 ppm range

Calcium
            0-425 ppm range

Manganese
            2-100 ppm range