Soil/WaterDiagnostics Soil/WaterDiagnostics Soil and Water Diagnostics for Various Compounds Arow Dx’s technology allows for the development of an inexpensive, sensitive, quick test (ArrowTest) for pollutants in soil and water. The ArrowTest has the ability to test for the following in soil and water: General Chemistry Hardness & Alkalinity Toxic & Heavy Metals Nitrate & Nitrite Coliform & E.coli Industrial Chemicals Disinfection Byproducts Radioactive Particles Pesticides Want to get in touch? Contact Us