Class I Area
Meaning, Term, and Glossary Definition - What is Class I Area?
Under the Clean Air Act. a Class I area is one in which visibility is protected more stringently than under the national ambient air quality standards; includes national parks, wilderness areas, monuments, and other areas of special national and cultural significance.
Try searching Class I Area across the entire website.
Related glossary terms:
Abatement Debris Absorption Absorption Barrier Accident Site Acclimatization Acequia Acid Acid Aerosol Acid Deposition Acid Mine Drainage
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
<-- Search again
View EPA Data Qualifier (Flag) Abbreviations...

Suggestions? This Laboratory Terms page continues to expand and improve. If you have suggestions for improvement, we would enjoy hearing from you. Please contact the webmaster here.


NEW! Allowable Levels Established for DEHP in Bottled Water
Vapor Intrusion Investigations: Air Sampling Tips for Meeting Data Quality Objectives
Incremental Sampling Methodology