Scholarly record
GROUNDWATER SAMPLING FOR MONITORING PURPOSES: CASE STUDIES IN LATVIA
Abstract
The aim of the monitoring is to evaluate the level of the existing or potentially possible pollution of groundwaters. Groundwater sampling is the necessary method for the purpose of environmental quality monitoring system creation in certain areas. Therefore standard method for this evaluation is a periodic groundwater sampling in the frame of a monitoring system. The creation of the reasonable monitoring system contains regular sampling at places significant for making conclusions about the existing or potentially possible pollution sources. Groundwater monitoring in Latvia must be done according specified instructions of the environmental legislation. Monitoring works must be considered according „Instructions on Surface and Groundwater Quality” [2] as well as other State Environmental Survey determined standards and methodic instructions „Groundwater Pollution Research” [5]. This paper is presenting a brief description of two case studies about the creation of monitoring systems for the pollution detection and monitoring. Examples of the Freeport of Riga territory and “Statoil” gas station network are presented, problems and solutions concerning the creation of monitoring systems and groundwater sampling will be described.
Publication details
References6
Driskol F. G., Groundwater and Wells. St. Paul, Minnesota: Johnson Division, 1987
Instructions of the Cabinet of Ministers Nr. 752 - Changes of Instructions of Cabinet of Ministers 12.03.2002. nr. 118. Instructions of Surface and Groundwater Quality
Klavins M., Rodinovs V., Kokorite I. Chemistry of Surface Waters in Latvia. Riga: University of Latvia, 2002 - 286 p.
Levins I., Levina N., Gavena I. Latvian Groundwater Resources. Edited by I. Dzilna.
Riga, State Geological Survey, 1998 - 24 p.
Methodical Instructions. Groundwater Pollution Research. State Geological Survey.
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