What does OUN mean in UNCLASSIFIED
OUN stands for Occasional Use Notices. It refers to a type of notice issued by the United States Environmental Protection Agency (EPA) under the Clean Water Act. OUNs allow certain facilities to discharge wastewater into water bodies on a temporary basis, without obtaining a full National Pollutant Discharge Elimination System (NPDES) permit.
OUN meaning in Unclassified in Miscellaneous
OUN mostly used in an acronym Unclassified in Category Miscellaneous that means Occasional Use Notices
Shorthand: OUN,
Full Form: Occasional Use Notices
For more information of "Occasional Use Notices", see the section below.
Purpose of OUNs
The purpose of OUNs is to provide flexibility to facilities that need to discharge wastewater for a limited period, such as during construction or maintenance projects. OUNs allow these facilities to avoid the time and expense of obtaining a full NPDES permit, while still ensuring that the discharge meets certain water quality standards.
Eligibility for OUNs
To be eligible for an OUN, a facility must meet the following criteria:
- The discharge must be temporary and not expected to last more than 90 days.
- The discharge must not cause or contribute to violations of water quality standards.
- The facility must have implemented appropriate best management practices to minimize the impact of the discharge.
Application Process
To apply for an OUN, a facility must submit a notice to the EPA. The notice must include information about the facility, the nature of the discharge, and the measures taken to minimize the impact on water quality. The EPA will review the notice and determine whether to issue an OUN.
Conditions of OUNs
OUNs typically include conditions that the facility must meet, such as:
- Monitoring and reporting the discharge
- Implementing best management practices
- Limiting the duration of the discharge
Duration of OUNs
OUNs are typically valid for 90 days. The EPA may extend an OUN for an additional 90 days if the facility demonstrates that the discharge will continue to meet water quality standards.
Essential Questions and Answers on Occasional Use Notices in "MISCELLANEOUS»UNFILED"
What are Occasional Use Notices (OUNs)?
OUNs are notices filed with the Federal Railroad Administration (FRA) by railroads operating in the United States. They are used to notify the FRA of a railroad's intent to use a particular rail line for a specific purpose that is not part of its regular operations.
What information must be included in an OUN?
OUNs must include the following information:
- The name of the railroad filing the notice
- The date the notice is filed
- The location of the rail line to be used
- The purpose of the use
- The duration of the use
- Any special conditions or restrictions that apply to the use
What are the different types of OUNs?
There are two types of OUNs:
- Type 1 OUNs: These notices are used for uses that are expected to last for more than 30 days.
- Type 2 OUNs: These notices are used for uses that are expected to last for 30 days or less.
Who can file an OUN?
Only railroads operating in the United States may file OUNs.
How long does it take for an OUN to be approved?
The FRA typically reviews OUNs within 30 days of receiving them.
What are the penalties for violating an OUN?
Railroads that violate an OUN may be subject to fines or other penalties.
Final Words: OUNs provide a valuable tool for facilities that need to discharge wastewater on a temporary basis. They allow these facilities to avoid the time and expense of obtaining a full NPDES permit, while still ensuring that the discharge meets certain water quality standards.
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