This gas is the primary greenhouse gas emitted from burning fossil fuels
What is carbon dioxide (CO₂)?
Concrete is very strong in compression but weak in this type of force
What is tension?
This government agency oversees many contaminated site cleanups in the U.S.
What is the EPA / United States Environmental Protection Agency?
This term describes the height of a point compared to sea level
What is elevation?
This large dam on the Colorado River provides power and water to the Southwest U.S.
What is the Hoover Dam?
This term describes cleaning up contaminated soil or groundwater
What is remediation?
This underground layer stores groundwater
What is an aquifer?
This law regulates U.S. water pollution and discharge permits
What is the Clean Water Act?
This modern surveying tool uses satellites to determine position on Earth
What is GPS?
This type of pavement allows water to pass through it
What is permeable pavement?
This tank allows heavier solids to settle out by gravity in primary treatment
What is a sedimentation tank?
Water that flows over land after rain is called this
What is runoff?
This hazardous waste regulation framework is often abbreviated RCRA
What is the Resource Conservation and Recovery Act?
This type of map shows elevation changes using contour lines
What is a topographic map?
Before digging, contractors call this U.S. service to locate underground utilities
What is 811 Call Before You Dig?
This term describes a previously used industrial or commercial site that may be contaminated
What is a brownfield?
Steel bars placed inside concrete to increase its strength are called this
What is rebar?
This federal U.S. law deals with cleaning up hazardous waste sites and is often called “Superfund.”
What is CERCLA / Comprehensive Environmental Response, Compensation, and Liability Act?
This line connects points of equal elevation on a map
What is a contour line?
his common construction material is made by heating limestone and clay in a kiln
What is cement?
This biological process uses microorganisms to break down organic matter in aerated tanks
What is the activated sludge process?
Types of soil
What are clay, sand, and silt?
This protocol targeted ozone-depleting substances like CFCs
What is the Montreal Protocol?
This instrument is used to measure horizontal and vertical angles in surveying
What is a theodolite?
This structure removes debris and trash before water enters storm pipes
What is a catch basin?