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The Indiana State Department of Health (department) may approve the installation or construction of technology new to Indiana (TNI). TNI are sewage treatment or disposal methods, processes or equipment, not described in the residential or commercial rules ( and 410 IAC 6-10, respectively), for which research or documented field performance demonstrates that the technology meets or exceeds the requirements of the rules. The department also establishes standards and best practices that describe performance, design, installation, or operation and maintenance (O&M) of TNI.
An applicant proposing a TNI for use in Indiana must comply with applicable requirements contained in , 410 IAC 6-10, and applicable interpretations, standards, best practices and guidelines of the department.