National Technical UIC Workgroup | Region 10 | US EPA

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National Technical UIC Workgroup

Workgroup Formation

Although officially on the books since late 1996, the national UIC technical workgroup began significant work on issues related to the UIC program in earnest in 1997. The workgroup developed a charter to frame its purpose, solidified its membership, resolved communication topics, and generated a list of active issues on which to focus.

Please address inquiries to the current chair, Paul Osborne, (303) 312-6125, or the current co-chair, Nathan Wiser, (312) 353-9569.
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Class I Fracture Slurry Injection
Area of Review Summary
Dual Completion Well (Class II) Mechanical Integrity Test Standards
Class II Permit Boilerplate Comparison
Cement Requirements for Class II Wells in Direct Implementation Programs
Naturally-Occurring Radioactive Material (NORM) in Injection Wells
Falloff Testing Technical Assistance Document
Fluids Acceptable for Injection into Class II Wells
Feasibility of Aquifer Exemptions in Non-Injection Zones
Financial Responsibility
MIT Standards
Injection Fluid Analysis
Continuous Cement
Annulus Additives
Plugging Procedures
Temporarily Abandoned Wells
Use of Downhole Separators


State UIC Contacts

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