Classification
URA - Soil chemistry
41
LWH - Agriculture - soil sciences
11
GNA - Geology - soil sciences
5
UVF - Environmental aspects of heavy metals and their compounds
5
LTN - Biotechnology - biodegradation
4
UVM - Environmental aspects of hydrocarbons - incl. oil
4
LCN - Ecology - soil sciences
3
UCGE - Control of environmental pollution - analytical methods
3
CWSH - Extraction
2
GAN - Geosciences - mathematical methods, computer applications
2
LCNA - Soil microbiology
2
UCS - Environmental chemistry
2
UPVC - Groundwater
2
UXA - Environmental radioactivity
2
GMAD - Organic geochemistry
1
LCM - Terrestrial ecology
1
LCR - Ecology of microorganisms - land and water
1
LHY - Bacteria - physiology
1
LWE - Agriculture - general aspects
1
LWW - Agriculture - transfer factors, radioagronomy
1
UCEB - Environmental pollution
1
UMLN - Air pollution by other sources
1
UPP - Water pollution
1
UPT - Water pollution control and measurement
1
UPTF - Organic pollutants in water
1
UPTK - Volatile pollutants in water
1
USGH - Contaminated sites
1
UVC - Environmental chemicals, hazardous materials - general aspects
1
UVFD - Environmental aspects of specific heavy metals - cadmium, lead, mercury
1
UVT - Environmental aspects of other hazardous materials
1