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. 16 Remediation measures
1 The objective of remediation must be achieved by measures that: a. enable environmentally hazardous substances to be eliminated (decontamination); or b. enable the diffusion of environmentally hazardous substances to be prevented in the long term and monitored (securing). 2 …
Art. 16 — Amended by Annex No II 2 of the O of 26. Sept. 2008 on the Charge for the Remediation of Contaminated Sites, in force since 1 Jan. 2009 (AS 2008 4771). Para. 2 — Repealed by No I of the O of 22 March 2017, with effect from 1 May 2017 (AS 2017 2589).
Art. 17 Remediation project
The authorities shall require that for contaminated sites a remediation project be prepared within a time frame appropriate to the urgency of remediation. This shall describe in particular the following: a. the remediation measures including those for monitoring and for waste disposal, the effectiveness of the measures, the assessment of their results and the time expenditure; b. the impact of the proposed measures on the environment; c. the residual danger to the environment following remediation; d. the shares of the responsibility for the contaminated site in cases where the person required to carry out remediation measures demands a ruling on the allocation of costs (Art. 32d para. 3 EPA).
let. d — Now: para. 4.
Art. 18 Specification of essential measures
1 The authority shall assess the remediation project. In doing so, it shall pay particular regard to the following: a. the environmental impact of the measures; b. their long-term effectiveness; c. the danger to the environment caused by the contaminated site before and after remediation; d. in cases of incomplete decontamination, the extent to which the measures may be monitored, avenues for remedying the deficiencies and securing the necessary funding for the proposed measures; e. whether the requirements for deviation from the remediation objective in accordance with Article 15 paragraphs 2 and 3 are satisfied. 2 On the basis of this assessment, it shall issue a ruling containing in particular: a. the final objectives of the remediation; b. the remediation measures, the assessment of results and the time frame to be adhered to; c. further charges and conditions for the protection of the environment. 3 By way of exception and with the consent of the Federal Office for the Environment
Para. 3 — SR 814.600 Para. 3 let. c — Inserted by No I of the O of 31 May 2024, in force since 1 July 2024 (AS 2024 253).
Art. 19 Evaluation of results
Persons required to carry out remediation measures must notify the authorities of the remediation measures carried out and demonstrate that the remediation objectives have been achieved. The authorities shall express an expert opinion in this regard.
Art. 19 — Amended by Annex No II 2 of the O of 26. Sept. 2008 on the Charge for the Remediation of Contaminated Sites, in force since 1 Jan. 2009 (AS 2008 4771).