Science & Technology

WhAEM2000 BBM Files - North Santiam River, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for North Santiam River Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Newport, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Newport Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

Air Monitoring Methods - Criteria Pollutants

Information describing EPA’s federally approved air monitoring methods

WhAEM2000 BBM Files - Nehalem River, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Nehalem River Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Mount Saint Helens, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Mount Saint Helens Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Mount Hood, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Mount Hood Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Monument, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Monument Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Medford, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Medford Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - McKenzie River, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for McKenzie River Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - McCall, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for McCall Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Malheur Lake, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Malheur Lake Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Mahogany, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Mahogany Mts Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Madras, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Madras Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Louse Canyon, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Louse Canyon Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Lakeview, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Lakeview Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Lake Abert, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Lake Abert Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - La Pine, Oregon

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for La Pine Quadrangle, Oregon. Files serve as geographic basis for groundwater modeling.

Compliance and Fuel Economy Data for Vehicles and Engines

This emissions and fuel economy data is intended primarily for those interested in obtaining detailed data and in performing data analyses.

Emission Standards Reference Guide for On-road and Nonroad Vehicles and Engines

This is the Emission Standards Reference Guide, which contains federal emission standards for onroad and nonroad vehicles and engines, and related fuel sulfur standards.

Importing Vehicles and Engines into the United States

This site describes EPA emission regulations and requirements for importing motor vehicles, motor vehicle engines, heavy-duty on-highway engines, recreational vehicles, and nonroad engines.