Contaminated Sites Ordinance (CSO)
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
Art. 14 Detailed investigation
1 To specify the objectives and assess the urgency of remediation, the following detailed information shall be obtained and evaluated in a risk assessment: a. type, location, quantity and concentration of the environmentally hazardous substances at the polluted site; b. type, load and temporal development of the existing and possible impacts on the environment; c. location and importance of the environmental areas at risk. 2 If the results of the detailed investigation deviate substantially from those of the preliminary investigation, the authorities shall reassess whether the site is in need of remediation in accordance with Articles 9–12.
Art. 15 Objectives and urgency of remediation
1 The objective of remediation is the elimination of impacts that led to the need for remediation in accordance with Articles 9–12, or of the real danger of such effects. 2 As regards remediation for the purpose of groundwater protection, deviation from the objective is made if: a. by this means the total environmental impact can be lessened; b. disproportionate costs would otherwise result; and c. the exploitability of groundwater in water protection areas Au is guaranteed, or if surface waters connected to groundwater outside water protection areas Au fulfil the requirements of the waters protection legislation regarding water quality. 3 As regards remediation for the purpose of surface waters protection, deviation from the objectives is made if: a. by this means the total environmental impact can be lessened; b. disproportionate costs would otherwise result; and c. the waters complies with the requirements of the waters protection legislation regarding water quality. 4 Remediation i
Para. 2 let. c — Amended by Annex 5 No 5 of the O on the Protection of Waters of 28 Oct. 1998, in force since 1 Jan. 1999 (AS 1998 2863).