Which tools are essential for water sampling in the field?

The essential tools for water sampling in the field include field meters, sampling bottles, and personal protective equipment. Field meters are crucial for measuring various parameters such as pH, temperature, conductivity, and dissolved oxygen in real-time, providing immediate data about the water quality. Sampling bottles are necessary to collect and store water samples without contamination, ensuring reliable testing results later in a laboratory setting. Personal protective equipment is vital for the safety of the technician during sampling activities, as it protects against exposure to potentially hazardous materials or environments.

While other tools listed might be important in different contexts, they do not directly apply as essential for the immediate task of water sampling in the field. Geological maps and GPS devices assist with understanding the geographic context of wells but are not directly used in the sampling process. Water purification systems and filtering equipment are used for processing water but are not required for the initial sampling. Laboratory analysis kits and chemical reagents are utilized after the samples have been taken to analyze the water quality but are not tools for collecting the samples themselves.