NAC534A.430. Casing of injection wells; filling of annular space.

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Injection wells must be completed with safe and adequate casing which is properly cemented to protect fresh water aquifers. The annular space must be filled by circulating cement up the annulus to the surface. If the cement does not circulate or falls back, the casing must be cemented at the surface.

(Added to NAC by Comm’n on Mineral Resources, eff. 11-12-85)

                    
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