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The US Environmental Protection Agency further regulates CO2 storage

Publish date: November 24, 2010

The US Environmental Protection Agency (EPA) has designed new regulations to guarantee the safety of CO2 capture and storage (CCS) in the US, hoping for faster commercialization of CCS technology. Furthermore, the new measures can answer public preoccupations on CCS as they encompass protection against water pollution and reporting of the CO2 quantities stored.

Created within the framework the EPA‘s Underground Injection Control (UIC) initiative and under the authority of the Safe Drinking Water Act, EPA’s new measures deal with the regulation of drinking water near CCS sites. They aim at ensuring that the storage wells used to store the captured CO2 are ”properly sited, built, tested and monitored”, in a way that they cannot pollute underground sources of drinking water.

The drinking water rule also creates a new class of CCS injection well (class VI), designed to facilitate the transfer of CO2 for long-term storage. It also makes provision for safe wells decommission, in line with EPA requirements. 

 The second new measure requires the reporting of the amount of CO2 injected into the ground for any reason, including enhanced oil and gas recovery.

EPA convened several workshops to involve stakeholders from state, local and tribal governments, industry, public interest groups and the general public, and discussed technical issues of geological storage before finalising these geological storage requirements.

 

Access the press release here.

 

 

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