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" , 1992 ." ( ) [. (), .] ( " ", " ", " , ", " ", " ", " ", " ") ( . 09.04.1992)
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4. "Exploitation" includes any production, well testing or stimulation activity.
Regulation 2
Use of Best Available Technology
and Best Environmental Practice
The Contracting Parties undertake to prevent and eliminate pollution from offshore activities by using the principles of Best Available Technology and Best Environmental Practice as defined in Annex II.
Regulation 3
Environmental impact assessment and monitoring
1. An environmental impact assessment shall be made before an offshore activity is permitted to start. In case of exploitation referred to in Regulation 5 the outcome of this assessment shall be notified to the Commission before the offshore activity is permitted to start.
2. In connection with the environmental impact assessment the environmental sensitivity of the sea area around a proposed offshore unit should be assessed with respect to the following:
a) the importance of the area for birds and marine mammals;
b) the importance of the area as fishing or spawning grounds for fish and shellfish, and for aquaculture;
c) the recreational importance of the area;
d) the composition of the sediment measured as: grain size distribution, dry matter, ignition loss, total hydrocarbon content, and Ba, Cr, Pb, Cu, Hg and Cd content;
e) the abundance and diversity of benthic fauna and the content of selected aliphatic and aromatic hydrocarbons.
3. In order to monitor the consequent effects of the exploration phase of the offshore activity studies, at least those referred to in sub-paragraph d) above, shall be carried out before and after the operation.
4. In order to monitor the consequent effects of the exploitation phase of the offshore activity studies, at least those referred to in sub-paragraphs d) and e) above, shall be carried out before the operation, at annual intervals during the operation, and after the operation has been concluded.
Regulation 4
Discharges on the exploration phase
1. The use of oil-based drilling mud or muds containing other harmful substances shall be restricted to cases where it is necessary for geological, technical or safety reasons and only after prior authorization by the appropriate national authority. In such cases appropriate measures shall be taken and appropriate installations provided in order to prevent the discharge of such muds into the marine environment.
2. Oil-based drilling muds and cuttings arising from the use of oil-based drilling muds should not be discharged in the Baltic Sea Area but taken ashore for final treatment or disposal in an environmentally acceptable manner.
3. The discharge of water-based mud and cuttings shall be subject to authorization by the appropriate national authority. Before authorization the content of the water-based mud must be proven to be of low toxicity.
4. The discharge of cuttings arising from the use of water based drilling mud shall not be permitted in specifically sensitive parts of the Baltic Sea Area such as confined or shallow areas with limited water exchange and areas characterized by rare, valuable or particularly fragile ecosystems.
Regulation 5
Discharges on the exploitation phase
In addition to the provisions of Annex IV the following provisions shall apply to discharges:
a) all chemicals and materials shall be taken ashore and may be discharged only exceptionally after obtaining permission from the appropriate national authority in each individual operation;
b) the discharge of production water and displacement water is prohibited unless its oil content is proven to be less than 15 mg/l measured by the methods of analysis and sampling t
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