ZP develops Apps and hardware to measure nitrate. One of the applications of nitrate monitoring is nitrate concentrations in groundwater a to ensure that they remain below the standard of 50mg/l. Where concentrations exceed this level, or there is a risk they will do so, the areas of land which drain into these waters are designated as NVZs.

A Nitrate Vulnerable Zone (NVZ) is an area designated by government authorities, typically in agricultural regions, where the levels of nitrate pollution in groundwater or surface water exceed certain thresholds or where there is a risk of exceeding them. Nitrate pollution often stems from agricultural activities, particularly the application of fertilizers and manures.

NVZ designations are aimed at mitigating nitrate pollution by implementing regulations and best management practices (BMPs) to reduce nitrogen runoff into water sources. Farmers operating within NVZs may face additional restrictions or requirements regarding fertilizer application, manure management, and other agricultural practices to minimize nitrate pollution.

The specific regulations and requirements within an NVZ can vary depending on the country and regional environmental policies. The ultimate goal is to protect water quality and prevent adverse impacts on ecosystems and human health associated with nitrate pollution.