Science & Technology

WhAEM2000 BBM Files - Port Arthur, Louisiana

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

WhAEM2000 BBM Files - Ponchatoula, Louisiana

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

WhAEM2000 BBM Files - New Roads, Louisiana

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

WhAEM2000 BBM Files - New Orleans, Louisiana

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

WhAEM2000 BBM Files - Natchitoches, Louisiana

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

Scientific and Technological Achievement Awards 2020 Nomination Procedures and Guidelines

This document provides details about research categories, review criteria, award levels, eligibility criteria, and nomination procedures for the 2020 Scientific and Technological Achievement Awards (STAA).

EPA Research Supports National Estuary Program

Estuaries—those areas where freshwater rivers flow into oceans—are examples of how natural habitats provide benefits to communities. These are highlights of EPA scientists' estuary research and technical support across the nation.

WhAEM2000 BBM Files - Natchez, Louisiana

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

WhAEM2000 BBM Files - Nacogdoches, Louisiana

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

WhAEM2000 BBM Files - Morgan City, Louisiana

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

WhAEM2000 BBM Files - Monroe South, Louisiana

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

WhAEM2000 BBM Files - Monroe North, Louisiana

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

WhAEM2000 BBM Files - Mississippi River Delta, Louisiana

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

WhAEM2000 BBM Files - Magnolia, Louisiana

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

WhAEM2000 BBM Files - Leesville, Louisiana

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

WhAEM2000 BBM Files - Lake Charles, Louisiana

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

WhAEM2000 BBM Files - Jackson, Louisiana

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

WhAEM2000 BBM Files - Henderson, Louisiana

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

WhAEM2000 BBM Files - Gulfport, Louisiana

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

Lead (Pb) Air Quality Standards

The Clean Air Act requires EPA to set national ambient air quality standards (NAAQS) for six pollutants considered harmful to public health and the environment