Science & Technology
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WhAEM BBM Files - Oklahoma
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for quadrangles in Oklahoma. Files serve as geographic basis for groundwater modeling.
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Funding Resources for Watershed Protection and Restoration
A collection of funding related resources related to watershed work
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Nonpoint Source: Roads Highways and Bridges
Runoff controls are essential to preventing polluted runoff from roads, highways and bridges from reaching surface waters
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Nonpoint Source: Urban Areas
Urbanization increases the variety and amount of pollutants carried into our nation's waters. Pavement and compacted landscapes do not allow rain and snow melt to soak into the ground. List of typical pollutants from Urban runoff.
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Nonpoint Source: Agriculture
Agricultural runoff as a nonpoint source category of pollution. Resouces to learn more a bout conservation practices to reduce water quality impacts from storm water run off and ground water infiltration
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How to Use EnviroAtlas
Demo videos and training documents, including examples of how these tools can be applied in a variety of ways.
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Locating the Vehicle Emissions Label
The images on this page show how to locate the vehicle emissions label used for model year vehicles produced before and after 2007.
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How to Obtain a Copy of a Certificate of Conformity for a Light-duty Vehicle (car, truck, or motorcycle)
Information on how to obtain a copy of Certificate of Conformity for a light-duty vehicle.
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Donaldson Technology—Series 6100 Diesel Oxidation Catalyst (DOC)
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Various Technology—Cetane Enhancers
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Nett Technologies, Inc.—MD300 Diesel Oxidation Catalyst (DOC)
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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MJ EcoPower Hybrid Systems, Inc.—EcoCrane Hybrid System
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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DonaldsonTechnology—Series 6000 Diesel Oxidation Catalyst (DOC) & Spiracle Closed Crankcase Filtration system
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Clean Diesel Technologies, Inc. – Purifilter Plus M DPF
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Clean Diesel Technologies, Inc. – Purifilter - Diesel Particulate Filter (DPF)
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Clean Diesel Technologies, Inc. – AZC Purimuffler or AZC Purifier Diesel Oxidation Catalyst (DOC) plus CDTi Closed Crankcase Ventilation (CCV) System
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Various Technology—Biodiesel (1-100%)
This retrofit technology is included on EPA's Verified Technologies List for Clean Diesel.
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Shared Mobility
This page is general overview of shared mobility, with explanations of carsharing, micromobility, ridehailing, and microtransit.
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SmartWay High Performer Lists
This page contains a list of the all of the types of high performing SmartWay partners that are recognized by EPA.
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Revised Final Determination and Settlement Agreement in Genscape, Inc. v. EPA 19-3705 (6th Cir.)
9 questions about Quality Assurance Program on revoking Genscape RINs are answered.