P2-0075 — Annual report 2011
1.
Energy efficiency trends and policy in Slovenia

The improvement of energy efficiency is one of the main targets of EU energy policy. The target of the Slovenian action plan for energy efficiency is to achieve energy savings of 4261 GWh or 9% of final energy consumption by 2016. The developed indictors of energy efficiency for all sectors have been used to calculate energy savings. In the article an analysis of policy, trends and indicators of energy efficiency on the sectorial and country level has been made. The results of the analysis have shown considerable improvement of energy efficiency in the period from 1998 to 2007.

COBISS.SI-ID: 24555815
2.
Natural radionuclides in trees grown on a uranium mill tailings waste pile

Samples from six Scots pines (P. sylvestris), six Norway spruces (Picea abies) and one sycamore maple (Acer pseudoplatanus) tree, growing on the Boršt uranium mill tailings waste pile in Slovenia were collected. U-238, Th-230, Ra-226 and Pb-210 activity concentrations in wood, shoots and 1-year-old needles or leaves were determined. Particular radionuclides were separated from the samples by appropriate radiochemical procedures and their activity concentrations measured with an alpha spectrometry system. In addition, concentration ratios for different plant parts were calculated.

COBISS.SI-ID: 25251367
3.
Levels of [sup]210Po and [sup]210Pb in fish and molluscs in Slovenia and the related dose assessment to the population

Po-210 and Pb-210 activity concentrations in fish from Slovenian part of Adriatic Sea, in the vicinity of a former uranium mine Žirovski vrh and from Slovenian market were determined. In addition, levels of Po-210 and Pb-210 activity concentrations in squids from the Slovenian market and in mussels from the Slovenian part of Adriatic Sea were also determined. Fish, squid and mussel consumption in Slovenia was assessed from the data available from Eurostat and FAO (Food and Agriculture Organisation) and the data used for the dose calculation. Fish species with the highest activity concentrations were grilled to assess possible loss of Po-210 during food preparation process. Samples were freeze dried and radiochemical separation of Po-210 and Pb-210 was performed. Measurements of Po-210 were performed by alpha spectrometry and Pb-210 by low background gas flow proportional counter. Po-210 activity concentrations in fish, squids and mussels were from 0.039 to 35.0 Bq/kg fresh weight and Pb-210 activity concentrations were from 0.08 to 3.03 Bq/kg fresh weight. Grilling of fishes resulted in no significant loss of Po-210 at 90 °C. Assessed combined annual effective ingestion dose due to Po-210 and Pb-210 for fish, squids and mussels consumed in Slovenia is 47.6 µSv/year.

COBISS.SI-ID: 24114471