Category:Environment

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7Q10

Abandoned Well

Abatement

Abatement Debris

Absorbed Dose

Absorption

Absorption Barrier

Accident Site

Acclimatization

Acid Aerosol

Acid Deposition

Acid Mine Drainage

Acid Neutralizing Capacity

Acid Rain

Acidic

ACScale Sound Level

Action Levels

Activated Carbon

Activated Sludge

Activator

Active Ingredient

Activity Plans

Acute Exposure

Acute Toxicity

Adaptation

Add-on Control Device

Adequately Wet

Administered Dose

Administrative Order

Administrative Order On Consent

Administrative Procedures Act

Administrative Record

Adsorption

Adulterants

Adulterated

Advanced Treatment

Advanced Wastewater Treatment

Adverse Effects Data

Advisory

Aerated Lagoon

Aeration

Aeration Tank

Aerobic

Aerobic Treatment

Aerosol

Affected Landfill

Affected Public

Afterburner

Age Tank

Agent

Agent Orange

Agricultural Pollution

Agroecosystem

AHERA Designated Person (ADP)

Air Binding

Air Changes Per Hour (ACH)

Air Cleaning

Air Contaminant

Air Curtain

Air Exchange Rate

Air Gap

Air Handling Unit

Air Mass

Air Monitoring

Air Padding

Air Permeability

Air Plenum

Air Pollutant

Air Pollution

Air Pollution Control Device

Air Pollution Episode

Air Quality Control Region

Air Quality Criteria

Air Quality Standards

Air Sparging

Air Stripping

Air Toxics

Air/Oil Table

Airborne Particulates

Airborne Release

Alachlor

Alar

Aldicarb

Algae

Algal Blooms

Algicide

Aliquot

Alkaline

Alkalinity

Allergen

Alluvial

Alternate Method

Alternative Compliance

Alternative Fuels

Alternative Remedial Contract Strategy Contractors

Ambient Air

Ambient Air Quality Standards

Ambient Measurement

Ambient Medium

Ambient Temperature

Amprometric Titration

Anaerobic

Anaerobic Decomposition

Animal Dander

Animal Studies

Anisotropy

Annular Space, Annulus

Antagonism

Antarctic "Ozone Hole"

Anti-Degradation Clause

Anti-Microbial

Applicable or Relevant and Appropriate Requirements (ARARs)

Applied Dose

Aqueous

Aqueous Solubility

Aquifer

Aquifer Test

Aquitard

Architectural Coatings

Area of Review

Area Source

Aromatics

Arsenicals

Artesian (Aquifer or Well)

Asbestos

Asbestos Abatement

Asbestos Assessment

Asbestos Program Manager

Asbestos-Containing Waste Materials (ACWM)

Asbestosis

Ash

Assay

Assessment Endpoint

Assimilation

Assimilative Capacity

Association of Boards of Certification

Attainment Area

Attenuation

Attractant

Attrition

Availability Session

Available Chlorine

Avoided Cost

Back Pressure

Backflow/Back Siphonage

Background Level

Backwashing

Backyard Composting

BACT-Best Available Control Technology

Bacteria

Baffle

Baffle Chamber

Baghouse Filter

Bailer

Baling

Ballistic Separator

Band Application

Banking

Bar Screen

Barrel Sampler

Barrier Coating(s)

Basal Application

Basalt

Bean Sheet

Bed Load

BEN

Bench-scale Tests

Benefit-Cost Analysis

Bentonite

Beryllium

Best Available Control Measures (BACM)

Best Available Control Technology (BACT)

Best Demonstrated Available Technology (BDAT)

Best Management Practice (BMP)

Bimetal

Bioaccumulants

Bioassay

Bioavailabiliity

Biochemical Oxygen Demand (BOD)

Bioconcentration

Biodegradable

Biodiversity

Biological Contaminants

Biological Control

Biological Integrity

Biological Magnification

Biological Measurement

Biological Medium

Biological Oxidation

Biological Oxygen Demand (BOD)

Biological Stressors

Biological Treatment

Biologically Effective Dose

Biologicals

Biomass

Biome

Biomonitoring

Bioremediation

Biosensor

Biosphere

Biostabilizer

Biota

Biotechnology

Biotic Community

Biotransformation

Blackwater

Blood Products

Bloom

BOD5

Body Burden

Bog

Boiler

Boom

Borehole

Botanical Pesticide

Bottle Bill

Bottom Ash

Bottom Land Hardwoods

Bounding Estimate

Brackish

Breakpoint Chlorination

Breakthrough

Breathing Zone

Brine Mud

British Thermal Unit

Broadcast Application

Brownfields

Bubble

Bubble Policy

Buffer

Buffer Strips

Building Cooling Load

Building Envelope

Building Related Illness

Bulk Sample

Bulky Waste

Burial Ground (Graveyard)

Buy-Back Center

By-product

Cadmium

Cancellation

Cap

Capacity Assurance Plan

Capillary Action

Capillary Fringe

Capture Efficiency

Carbon Absorber

Carbon Adsorption

Carbon Monoxide (CO)

Carbon Tetrachloride (CCl4)

Carboxyhemoglobin

Carcinogen

Carrier

Carrying Capacity

CAS Registration Number

Case Study

Cask

Catalyst

Catalytic Converter

Catalytic Incinerator

Categorical Exclusion

Categorical Pretreatment Standard

Cathodic Protection

Cavitation

Cells

Cementitious

Central Collection Point

Centrifugal Collector

Channelization

Characteristic

Characterization of Ecological Effects

Characterization of Exposure

Check-Valve Tubing Pump

Chemical Case

Chemical Compound

Chemical Element

Chemical Oxygen Demand (COD)

Chemical Stressors

Chemical Treatment

Chemnet

Chemosterilant

Chemtrec

Child Resistant Packaging (CRP)

Chiller

Chilling Effect

Chisel Plowing

Chlorinated Hydrocarbons

Chlorinated Solvent

Chlorination

Chlorinator

Chlorine-Contact Chamber

Chlorofluorocarbons (CFCs)

Chlorophenoxy

Chlorosis

Cholinesterase

Chromium

Chronic Effect

Chronic Exposure

Chronic Toxicity

Circle of Influence

Cistern

Clarification

Clarifier

Class I Area

Class I Substance

Class II Substance

Clay Soil

Clean Coal Technology

Clean Fuels

Cleaner Technologies Substitutes Assessment

Cleanup

Clear Cut

Clear Well

Climate Change

Cloning

Closed-Loop Recycling

Closure

Coagulation

Coal Cleaning Technology

Coal Gasification

Coastal Zone

Code of Federal Regulations (CFR)

Coefficient of Haze (COH)

Co-fire

Cogeneration

Coke Oven

Cold Temperature CO

Coliform Index

Coliform Organism

Collector

Collector Sewers

Colloids

Combined Sewer Overflows

Combined Sewers

Combustion

Combustion Chamber

Combustion Product

Command Post

Command-and-Control Regulations

Comment Period

Commercial Waste

Commercial Waste Management Facility

Commingled Recyclables

Comminuter

Comminution

Common Sense Initiative

Community

Community Relations

Community Water System

Compact Fluorescent Lamp (CFL)

Compaction

Comparative Risk Assessment

Complete Treatment

Compliance Coal

Compliance Coating

Compliance Cycle

Compliance Monitoring

Compliance Schedule

Composite Sample

Compost

Composting

Composting Facilities

Compressed Natural Gas (CNG)

Concentration

Condensate

Condensate Return System

Conditional Registration

Conditionally Exempt Generators (CE)

Conductance

Conductivity

Cone of Depression

Cone of Influence

Cone Penterometer Testing (CPT)

Confidential Business Information (CBI)

Confidential Statement of Formula (CSF)

Confined Aquifer

Confluent Growth

Consent Decree

Conservation

Conservation Easement

Constituent(s) of Concern

Construction and Demolition Waste

Construction Ban

Consumptive Water Use

Contact Pesticide

Contaminant

Contamination

Contamination Source Inventory

Contingency Plan

Continuous Discharge

Continuous Sample

Contour Plowing

Contour Strip Farming

Contract Labs

Control Technique Guidelines (CTG)

Controlled Reaction

Conventional Filtration

Conventional Pollutants

Conventional Site Assessment

Conventional Systems

Conventional Tilling

Conveyance Loss

Cooling Electricity Use

Cooling Tower

Cooperative Agreement

Core

Core Program Cooperative Agreement

Corrective Action

Corrosion

Corrosive

Cost Recovery

Cost Sharing

Cost/Benefit Analysis

Cost-Effective Alternative

Cover Crop

Cover Material

Cradle-to-Grave or Manifest System

Criteria

Criteria Pollutants

Critical Effect

Crop Consumptive Use

Crop Rotation

Cross Contamination

Cross-Connection

Crumb Rubber

Cryptosporidium

Cubic Feet Per Minute (CFM)

Cullet

Cultural Eutrophication

Cultures and Stocks

Cumulative Ecological Risk Assessment

Cumulative Exposure

Cumulative Working Level Months (CWLM)

Curb Stop

Curbside Collection

Cutie-Pie

Cuttings

Cyclone Collector

Data Call-In

Data Quality Objectives (DQOs)

Day Tank

DDT

Dead End

Deadmen

Decant

Decay Products

Dechlorination

Decomposition

Decontamination

Deep-Well Injection

Deflocculating Agent

Defluoridation

Defoliant

Degasification

Degree-Day

Delegated State

Delist

Demand-side Waste Management

Demineralization

Denitrification

Dense Non-Aqueous Phase Liquid (DNAPL)

Density

Depletion Curve

Depressurization

Dermal Absorption/Penetration

Dermal Exposure

Dermal Toxicity

DES

Desalination

Desiccant

Design Capacity

Design Value

Designated Pollutant

Designated Uses

Designer Bugs

Destination Facility

Destratification

Destroyed Medical Waste

Destruction and Removal Efficiency (DRE)

Destruction Facility

Desulfurization

Detectable Leak Rate

Detection Criterion

Detection Limit

Detention Time

Detergent

Development Effects

Dewater

Diatomaceous Earth (Diatomite)

Diazinon

Dibenzofurans

Dicofol

Diffused Air

Diffusion

Digester

Digestion

Dike

Diluent

Dilution Ratio

Dimictic

Dinocap

Dinoseb

Dioxin

Direct Discharger

Direct Filtration

Direct Push

Direct Runoff

Discharge

Disinfectant

Disinfectant By-Product

Disinfectant Time

Dispersant

Displacement Savings

Disposables

Disposal

Disposal Facilities

Dissolved Oxygen (DO)

Dissolved Solids

Distillation

Disturbance

Diversion

Diversion Rate

DNA Hybridization

Dobson Unit (DU)

Domestic Application

Dosage/Dose

Dose Equivalent

Dose Rate

Dose Response

Dose Response Curve

Dose-Response Assessment

Dose-Response Relationship

Dosimeter

DOT Reportable Quantity

Downgradienat

Downstream Processors

DP Hole

Draft

Draft Permit

Drainage

Drainage Basin

Drainage Well

Drawdown

Dredging

Drilling Fluid

Drinking Water Equivalent Level

Drinking Water State Revolving Fund

Drive Casing

Drive Point Profiler

Drop-off

Dual-Phase Extraction

Dump

Duplicate

Dustfall Jar

Dystrophic Lakes

Ecological Entity

Ecological Exposure

Ecological Impact

Ecological Indicator

Ecological Integrity

Ecological Risk Assessment

Ecological/Environmental Sustainability

Ecology

Economic Poisons

Ecosphere

Ecosystem

Ecosystem Structure

Ecotone

Effluent

Effluent Guidelines

Effluent Limitation

Effluent Standard

Ejector

Electrodialysis

Electromagnetic Geophysical Methods

Electrostatic Precipitator (ESP)

Eligible Costs

EMAP Data

Emergency (Chemical)

Emergency Episode

Emergency Exemption

Emergency Removal Action

Emergency Response Values

Emergency Suspension

Emission

Emission Cap

Emission Factor

Emission Inventory

Emission Standard

Emissions Trading

Emulsifier

Encapsulation

Enclosure

End User

Endangered Species

Endangerment Assessment

End-of-the-pipe

Endrin

End-use Product

Energy Management System

Energy Recovery

Enforceable Requirements

Enforcement

Enforcement Decision Document (EDD)

Engineered Controls

Enhanced Inspection and Maintenance (I&M)

Enrichment

Entrain

Environment

Environmental Assessment

Environmental Audit

Environmental Equity/Justice

Environmental Exposure

Environmental Fate

Environmental Fate Data

Environmental Impact Statement

Environmental Indicator

Environmental Lien

Environmental Medium

Environmental Monitoring for Public Access and Community Tracking

Environmental Response Team

Environmental Site Assessment

Environmental Sustainability

Environmental Tobacco Smoke

Environmental/Ecological Risk

Epidemiology

Epilimnion

Episode (Pollution)

Equilibrium

Equivalent Method

Erosion

Established Treatment Technologies

Estimated Environmental Concentration

Estuary

Ethanol

Ethylene Dibromide (EDB)

Eutrophic Lakes

Eutrophication

Evaporation Ponds

Evapotranspiration

Exceedance

Exclusion

Exclusionary Ordinance

Exempt Solvent

Exempted Aquifer

Exemption

Exotic Species

Experimental Use Permit

Explosive Limits

Exports

Exposure

Exposure Assessment

Exposure Concentration

Exposure Indicator

Exposure Level

Exposure Pathway

Exposure Route

Exposure-Response Relationship

Extraction Procedure (EP Toxic)

Extraction Well

Extremely Hazardous Substances

Fabric Filter

Facilities Plans

Facility Emergency Coordinator

Facultative Bacteria

Feasibility Study

Fecal Coliform Bacteria

Federal Implementation Plan

Federal Motor Vehicle Control Program

Feedlot

Fen

Ferrous Metals

FIFRA Pesticide Ingredient

Fill

Filling

Filter Strip

Filtration

Financial Assurance for Closure

Finding of No Significant Impact

Finished Water

First Draw

Fix a Sample

Fixed-Location Monitoring

Flammable

Flare

Flash Point

Floc

Flocculation

Floodplain

Floor Sweep

Flow Rate

Flowable

Flowmeter

Flue Gas

Flue Gas Desulfurization

Fluidized

Fluidized Bed Incinerator

Flume

Fluoridation

Fluorides

Fluorocarbons (FCs)

Flush

Flux

Fly Ash

Fogging

Food Chain

Food Processing Waste

Food Waste

Food Web

Formaldehyde

Formulation

Fossil Fuel

Fracture

Free Product

Freeboard

Fresh Water

Friable

Friable Asbestos

Fuel Economy Standard

Fuel Efficiency

Fuel Switching

Fugitive Emissions

Fume

Fumigant

Functional Equivalent

Fungicide

Fungistat

Fungus (Fungi)

Furrow Irrigation

Future Liability

Game Fish

Garbage

Gas Chromatograph/Mass Spectrometer

Gasahol

Gasification

Gasoline Volatility

General Permit

General Reporting Facility

Generally Recognized as Safe (GRAS)

Generator

Genetic Engineering

Geographic Information System (GIS)

Geological Log

Geophysical Log

Geothermal/Ground Source Heat Pump

Germicide

Giardia Lamblia

Glass Containers

Global Warming

Global Warming Potential

Glovebag

Gooseneck

Grab Sample

Grain Loading

Granular Activated Carbon Treatment

Grasscycling

Grassed Waterway

Gray Water

Greenhouse Effect

Greenhouse Gas

Grinder Pump

Gross Alpha/Beta Particle Activity

Gross Power-Generation otential

Ground Cover

Ground Water

Ground Water Under the Direct Influence (UDI) of Surface Water

Ground-Penetrating Radar

Ground-Water Discharge

Ground-Water Disinfection Rule

Gully Erosion

Habitat

Habitat Indicator

Half-Life

Halogen

Halon

Hammer Mill

Hard Water

Hauler

Hazard

Hazard Assessment

Hazard Communication Standard

Hazard Evaluation

Hazard Identification

Hazard Quotient

Hazard Ratio

Hazardous Air Pollutants

Hazardous Chemical

Hazardous Ranking System

Hazardous Substance

Hazardous Waste

Hazardous Waste Landfill

Hazardous Waste Minimization

Hazards Analysis

Hazards Identification

Headspace

Health Advisory Level

Health Assessment

Heat Island Effect

Heat Pump

Heavy Metals

Heptachlor

Herbicide

Herbivore

Heterotrophic Organisms

High End Exposure (dose) Estimate

High Intensity Discharge

High-Density Polyethylene

Highest Dose Tested

High-Level Nuclear Waste Facility

High-Level Radioactive Waste (HLRW)

High-Line Jumpers

High-Risk Community

High-to-Low-Dose Extrapolation

Holding Pond

Holding Time

Hollow Stem Auger Drilling

Homeowner Water System

Homogeneous Area

Hood Capture Efficiency

Host

Household Hazardous Waste

Household Waste (Domestic Waste)

Human Equivalent Dose

Human Exposure Evaluation

Human Health Risk

Hydraulic Conductivity

Hydraulic Gradient

Hydrocarbons (HC)

Hydrogen Sulfide (H2S)

Hydrogeological Cycle

Hydrogeology

Hydrologic Cycle

Hydrology

Hydrolysis

Hydronic

Hydrophilic

Hydrophobic

Hydropneumatic

Hypersensitivity Diseases

Hypolimnion

Hypoxia/Hypoxic Waters

Identification Code or EPA I.D. Number

Ignitable

IM240

Imhoff Cone

Immediately Dangerous to Life and Health (IDLH)

Imminent Hazard

Imminent Threat

Immiscibility

Impermeable

Imports

Impoundment

In Situ

In Vitro

In Vivo

Incident Command Post

Incident Command System (ICS)

Incineration

Incineration at Sea

Incinerator

Incompatible Waste

Indemnification

Indicator

Indirect Discharge

Indirect Source

Indoor Air

Indoor Air Pollution

Indoor Climate

Industrial Pollution Prevention

Industrial Process Waste

Industrial Sludge

Industrial Source Reduction

Industrial Waste

Inert Ingredient

Inertial Separator

Infectious Agent

Infectious Waste

Infiltration

Infiltration Gallery

Infiltration Rate

Inflow

Influent

Information Collection Request (ICR)

Information File

Inhalable Particles

Initial Compliance Period (Water)

Injection Well

Injection Zone

In-Line Filtration

Innovative Technologies

Innovative Treatment Technologies

Inoculum

Inorganic Chemicals

Insecticide

In-Situ Flushing

In-Situ Oxidation

In-Situ Stripping

In-Situ Vitrification

Inspection and Maintenance (I/M)

Institutional Waste

Instream Use

Integrated Exposure Assessment

Integrated Pest Management (IPM)

Integrated Waste Management

Interceptor Sewers

Interface

Interfacial Tension

Interim (Permit) Status

Internal Dose

Interstate Carrier Water Supply

Interstate Commerce Clause

Interstate Waters

Interstitial Monitoring

Intrastate Product

Inventory (TSCA)

Inversion

Ion

Ion Exchange Treatment

Ionization Chamber

Ionizing Radiation

IRIS

Irradiated Food

Irradiation

Irreversible Effect

Irrigation

Irrigation Efficiency

Irrigation Return Flow

Irritant

Isoconcentration

Isopleth

Isotope

Isotropy

Jar Test

Joint and Several Liability

Karst

Kinetic Energy

Kinetic Rate Coefficient

Laboratory Animal Studies

Lagoon

Land Application

Land Ban

Land Disposal Restrictions

Land Farming (of Waste)

Landfills

Landscape

Landscape Characterization

Landscape Ecology

Landscape Indicator

Langelier Index (LI)

Large Quantity Generator

Large Water System

Laser Induced Fluorescence

Latency

Lateral Sewers

Laundering Weir

LC 50/Lethal Concentration

LD 50/ Lethal Dose

Ldlo

Leachate

Leachate Collection System

Leaching

Lead (Pb)

Lead Service Line

Legionella

Level of Concern (LOC)

Life Cycle of a Product

Lifetime Average Daily Dose

Lifetime Exposure

Lift

Lifting Station

Light Non-Aqueous Phase Liquid (LNAPL)

Light-Emitting Diode

Limestone Scrubbing

Limit of Detection (LOD)

Limited Degradation

Limiting Factor

Limnology

Lindane

Liner

Lipid Solubility

Liquefaction

Liquid Injection Incinerator

List

Listed Waste

Lithology

Litter

Littoral Zone

Local Education Agency (LEA)

Local Emergency Planning Committee (LEPC)

Low Density Polyethylene (LOPE)

Low Emissivity (low-E) Windows

Low NOx Burners

Lower Detection Limit

Lower Explosive Limit (LEL)

Lowest Acceptable Daily Dose

Lowest Achievable Emission Rate

Lowest Observed Adverse Effect Level (LOAEL)

Low-Level Radioactive Waste (LLRW)

Macropores

Magnetic Separation

Major Modification

Major Stationary Sources

Majors

Management Plan

Managerial Controls

Mandatory Recycling

Manifest

Manifest System

Man-Made (Anthropogenic) Beta Particle and Photon Emitters

Manual Separation

Manufacturer's Formulation

Manufacturing Use Product

Margin of Exposure (MOE)

Margin of Safety

Marine Sanitation Device

Marsh

Material Category

Material Safety Data Sheet (MSDS)

Material Type

Materials Recovery Facility (MRF)

Maximally (or Most) Exposed Individual

Maximum Acceptable Toxic Concentration

Maximum Available Control Technology (MACT)

Maximum Contaminant Level

Maximum Contaminant Level Goal (MCLG)

Maximum Exposure Range

Maximum Residue Level

Maximum Tolerated Dose

Measure of Effect/ Measurement Endpoint

Measure of Exposure

Mechanical Aeration

Mechanical Separation

Mechanical Turbulence

Media

Medical Surveillance

Medical Waste

Medium-size Water System

Meniscus

Mercury (Hg)

Mesotrophic

Metabolites

Metalimnion

Methane

Methanol

Method 18

Method 24

Method 25

Method Detection Limit (MDL)

Methoxychlor

Methyl Orange Alkalinity

Microbial Growth

Microbial Pesticide

Microclimate

Microenvironmental Method

Microenvironments

Million-Gallons Per Day (MGD)

Minimization

Mining of an Aquifer

Mining Waste

Minor Source

Minors

Miscellaneous ACM

Miscellaneous materials

Miscible Liquids

Missed Detection

Mist

Mitigation

Mixed Funding

Mixed Glass

Mixed Liquor

Mixed Metals

Mixed Municipal Waste

Mixed Paper

Mixed Plastic

Mobile Incinerator Systems

Mobile Source

Model Plant

Modified Bin Method

Modified Source

Moisture Content

Molecule

Molten Salt Reactor

Monitoring

Monitoring Well

Monoclonal Antibodies (Also called MABs and MCAs)

Monomictic

Montreal Protocol

Moratorium

Morbidity

Mortality

Most Probable Number

Muck Soils

Mudballs

Mulch

Multi-Media Approach

Multiple Chemical Sensitivity

Multiple Use

Multistage Remote Sensing

Municipal Discharge

Municipal Sewage

Municipal Sludge

Municipal Solid Waste

Mutagen/Mutagenicity

National Ambient Air Quality Standards (NAAQS)

National Emissions Standards for Hazardous Air Pollutants (NESHAPS)

National Environmental Performance Partnership Agreements

National Estuary Program

National Municipal Plan

National Oil and Hazardous Substances Contingency Plan (NOHSCP/NCP)

National Pollutant Discharge Elimination System (NPDES)

National Priorities List (NPL)

National Response Center

National Response Team (NRT)

National Secondary Drinking Water Regulations

Navigable Waters

Necrosis

Negotiations (Under Superfund)

Nematocide

Nephelometric

Netting

Neutralization

New Source

New Source Performance Standards (NSPS)

New Source Review (NSR)

Nitrate

Nitric Oxide (NO)

Nitrification

Nitrilotriacetic Acid (NTA)

Nitrite

Nitrogen Dioxide (NO2)

Nitrogen Oxide (NOx)

Nitrogenous Wastes

Nitrophenols

No Further Remedial Action Planned

No Observable Adverse Effect Level (NOAEL)

No Till

Noble Metal

Noise

Non-Aqueous Phase Liquid (NAIL)

Non-Attainment Area

Non-Binding Allocations of Responsibility (NBAR)

Non-Community Water System

Non-Compliance Coal

Non-Contact Cooling Water

Non-Conventional Pollutant

Non-degradation

Nondischarging Treatment Plant

Non-Ferrous Metals

Nonfriable Asbestos-Containing Materials

Nonhazardous Industrial Waste

Non-ionizing Electromagnetic Radiation

Non-Methane Hydrocarbon (NMHC)

Non-Methane Organic Gases (NMOG)

Non-Point Sources

Non-potable

Non-Road Emissions

Non-Transient Non-Community Water System

No-Observed-Effect-Level (NOEL)

Notice of Deficiency

Notice of Intent to Cancel

Notice of Intent to Deny

Notice of Intent to Suspend

Nuclear Reactors and Support Facilities

Nuclear Winter

Nuclide

Nutrient

Nutrient Pollution

Ocean Discharge Waiver

Odor Threshold

OECD Guidelines

Office Paper

Offsets

Off-Site Facility

Offstream Use

Oil and Gas Waste

Oil Desulfurization

Oil Fingerprinting

Oil Spill

Oligotrophic Lakes

Onboard Controls

Onconogenicity

One-hit Model

On-Scene Coordinator (OSC)

On-Site Facility

Opacity

Open Burning

Open Dump

Operable Unit

Operating Conditions

Operation and Maintenance

Operator Certification

Optimal Corrosion Control Treatment

Oral Toxicity

Organic

Organic Chemicals/Compounds

Organic Matter

Organism

Organophosphates

Organophyllic

Organotins

Original AHERA Inspection/Original Inspection/Inspection

Original Generation Point

Osmosis

Other Ferrous Metals

Other Glass

Other Nonferrous Metals

Other Paper

Other Plastics

Other Solid Waste

Other Wood

Outdoor Air Supply

Outfall

Overburden

Overdraft

Overfire Air

Overflow Rate

Overland Flow

Oversized Regulated Medical Waste

Overturn

Oxidant

Oxidation

Oxidation Pond

Oxidation-Reduction Potential

Oxygenated Fuels

Oxygenated Solvent

Ozonation/Ozonator

Ozone (O3)

Ozone Depletion

Ozone Hole

Ozone Layer

Packaging

Packed Bed Scrubber

Packed Tower

Packer

Pandemic

Paper

Paper Processor/Plastics Processor

Parameter

Paraquat

Parshall Flume

Part A Permit, Part B Permit

Participation Rate

Particle Count

Particulate Loading

Particulates

Partition Coefficient

Parts Per Billion (ppb)/Parts Per Million (ppm)

Passive Smoking/Secondhand Smoke

Passive Treatment Walls

Pathogens

Pathway

Pay-As-You-Throw/Unit-Based Pricing

Peak Electricity Demand

Peak Levels

Percent Saturatiuon

Perched Water

Percolating Water

Percolation

Performance Bond

Performance Data (For Incinerators)

Performance Standards

Periphyton

Permeability

Permissible Dose

Permit

Persistence

Persistent Pesticides

Personal Air Samples

Personal Measurement

Personal Protective Equipment

Pest

Pest Control Operator

Pesticide

Pesticide Regulation Notice

Pesticide Tolerance

PETE (Polyethylene Terepthalate)

Petroleum

Petroleum Derivatives

pH

Pharmacokinetics

Phenolphthalein Alkalinity

Phenols

Phosphates

Phosphogypsum Piles (Stacks)

Phosphorus

Phosphorus Plants

Photochemical Oxidants

Photochemical Smog

Photosynthesis

Physical and Chemical Treatment

Phytoplankton

Phytoremediation

Phytotoxic

Phytotreatment

Picocuries Per Liter (pCi/L)

Piezometer

Pilot Tests

Plankton

Plasma-Arc Reactor

Plasmid

Plastics

Plate Tower Scrubber

Plug Flow

Plugging

Plume

Plutonium

PM-10/PM-2.5

Pneumoconiosis

Point Source

Point-of-Contact Measurement of Exposure

Point-of-Disinfectant Application

Point-of-Use Treatment Device

Pollen

Pollutant

Pollutant Pathways

Pollutant Standard Index (PSI)

Pollution

Pollution Prevention

Polonium

Polyelectrolytes

Polymer

Polyvinyl Chloride (PVC)

Population

Population at Risk

Porosity

Portal-of-Entry Effect

Post-Chlorination

Post-Closure

Post-Consumer Materials/Waste

Post-Consumer Recycling

Potable Water

Potential Dose

Potentially Responsible Party (PRP)

Potentiation

Potentiometric Surface

Precautionary Principle

Prechlorination

Precipitate

Precipitation

Precipitator

Pre-Consumer Materials/Waste

Precursor

Pre-Harvest Interval

Preliminary Assessment

Prescriptive

Pressed Wood Products

Pressure Sewers

Pressure, Static

Pressure, Total

Pressure, Velocity

Pretreatment

Prevalent Level Samples

Prevalent Levels

Prevention of Significant Deterioration (PSD)

Primacy

Primary Drinking Water Regulation

Primary Effect

Primary Standards

Primary Waste Treatment

Principal Organic Hazardous Constituents (POHCs)

Prior Appropriation

Probability of Detection

Process Variable

Process Verification

Process Wastewater

Process Weight

Producers

Product Level

Product Water

Products of Incomplete Combustion (PICs)

Project XL

Propellant

Proportionate Mortality Ratio (PMR)

Proposed Plan

Proteins

Protocol

Protoplast

Protozoa

Public Comment Period

Public Health Approach

Public Health Context

Public Hearing

Public Notice

Public Water System

Publicly Owned Treatment Works (POTWs)

Pumping Station

Pumping Test

Purging

Putrefaction

Putrescible

Pyrolysis

Qualitative Use Assessment

Quality Assurance/Quality Control

Quench Tank

Radiation

Radiation Standards

Radio Frequency Radiation

Radioactive Decay

Radioactive Substances

Radioisotopes

Radionuclide

Radius of Influence

Radius of Vulnerability Zone

Radon

Radon Daughters/Radon Progeny

Radon Decay Products

Rainbow Report

Rasp

Raw Agricultural Commodity

Raw Sewage

Raw Water

Reaeration

Real-Time Monitoring

Reasonable Further Progress

Reasonable Maximum Exposure

Reasonable Worst Case

Reasonably Available Control Measures (RACM)

Reasonably Available Control Technology (RACT)

Recarbonization

Receiving Waters

Receptor

Recharge

Recharge Area

Recharge Rate

Reclamation

Recombinant Bacteria

Recombinant DNA

Recommended Maximum Contaminant Level (RMCL)

Reconstructed Source

Reconstruction of Dose

Record of Decision (ROD)

Recovery Rate

Recycle/Reuse

Recycling and Reuse Business Assistance Centers

Recycling Economic Development Advocates

Recycling Mill

Recycling Technical Assistance Partnership National Network

Red Bag Waste

Red Border

Red Tide

Redemption Program

Reduction

Re-entry

Reentry Interval

Reference Dose (RfD)

Reformulated Gasoline

Refueling Emissions

Refuse

Refuse Reclamation

Regeneration

Regional Response Team (RRT)

Registrant

Registration

Registration Standards

Regulated Asbestos-Containing Material (RACM)

Regulated Medical Waste

Relative Ecological Sustainability

Relative Permeability

Relative Risk Assessment

Release

Remedial Action (RA)

Remedial Design

Remedial Investigation

Remedial Project Manager (RPM)

Remedial Response

Remediation

Remote Sensing

Removal Action

Renewable Energy Production Incentive (REPI)

Repeat Compliance Period

Reportable Quantity (RQ)

Repowering

Representative Sample

Reregistration

Reserve Capacity

Reservoir

Residential Use

Residential Waste

Residual

Residual Risk

Residual Saturation

Residue

Resistance

Resource Recovery

Response Action

Responsiveness Summary

Restoration

Restricted Entry Interval

Restricted Use

Restriction Enzymes

Retrofit

Reuse

Reverse Osmosis

Reversible Effect

Ribonucleic Acid (RNA)

Rill

Ringlemann Chart

Riparian Habitat

Riparian Rights

Risk (Adverse) for Endangered Species

Risk

Risk Assessment

Risk Characterization

Risk Communication

Risk Estimate

Risk Factor

Risk for Non-Endangered Species

Risk Management

Risk-based Targeting

Risk-Specific Dose

River Basin

Rodenticide

Rotary Kiln Incinerator

Rough Fish

Route of Exposure

Rubbish

Running Losses

Run-Off

Sacrifical Anode

Safe

Safe Water

Safe Yield

Safener

Salinity

Salt Water Intrusion

Salts

Salvage

Sampling Frequency

Sanctions

Sand Filters

Sanitary Landfill

Sanitary Sewers

Sanitary Survey

Sanitary Water (Also known as gray water)

Sanitation

Saprolite

Saprophytes

Saturated Zone

Saturation

Science Advisory Board (SAB)

Scrap

Scrap Metal Processor

Screening

Screening Risk Assessment

Scrubber

Secondary Drinking Water Regulations

Secondary Effect

Secondary Materials

Secondary Standards

Secondary Treatment

Secure Chemical Landfill

Secure Maximum Contaminant Level

Sediment Yield

Sedimentation

Sedimentation Tanks

Sediments

Seed Protectant

Seepage

Selective Pesticide

Semi-Confined Aquifer

Semivolatile Organic Compounds

Senescence

Septic System

Septic Tank

Service Connector

Service Line Sample

Service Pipe

Set-Back

Settleable Solids

Settling Chamber

Settling Tank

Sewage

Sewage Lagoon

Sewage Sludge

Sewer

Sewerage

Shading Coefficient

Sharps

Shock Load

Short-Circuiting

Sick Building Syndrome

Signal

Signal Words

Significant Deterioration

Significant Municipal Facilities

Significant Non-Compliance

Significant Potential Source of Contamination

Significant Violations

Silt

Silviculture

Single-Breath Canister

Sink

Sinking

SIP Call

Site

Site Assessment Program

Site Inspection

Site Safety Plan

Siting

Skimming

Slow Sand Filtration

Sludge

Sludge Digester

Slurry

Small Quantity Generator (SQG-sometimes referred to as "Squeegee")

Smelter

Smog

Smoke

Soft Detergents

Soft Water

Soil Adsorption Field

Soil and Water Conservation Practices

Soil Conditioner

Soil Erodibility

Soil Gas

Soil Moisture

Soil Sterilant

Solder

Sole-Source Aquifer

Solid Waste

Solid Waste Disposal

Solid Waste Management

Solidification and Stabilization

Solubility

Soot

Sorption

Source Area

Source Characterization Measurements

Source Reduction

Source Separation

Source-Water Protection Area

Sparge or Sparging

Special Local-Needs Registration

Special Review

Special Waste

Species

Specific Conductance

Specific Yield

Spill Prevention, Containment, and Countermeasures Plan (SPCP)

Spoil

Sprawl

Spray Tower Scrubber

Spring

Spring Melt/Thaw

Stabilization

Stabilization Ponds

Stable Air

Stack

Stack Effect

Stack Gas

Stage II Controls

Stagnation

Stakeholder

Standard Sample

Standards

Start of a Response Action

State Emergency Response Commission (SERC)

State Environmental Goals and Indication Project

State Implementation Plans (SIP)

State Management Plan

Static Water Depth

Static Water Level

Stationary Source

Sterilization

Sterilizer

Storage

Storm Sewer

Stratification

Stratigraphy

Stratosphere

Stressors

Strip-Cropping

Strip-Mining

Structural Deformation

Subchronic

Subchronic Exposure

Submerged Aquatic Vegetation

Subwatershed

Sulfur Dioxide (SO2)

Sump

Superchlorination

Supercritical Water

Superfund

Superfund Innovative Technology Evaluation (SITE) Program

Supplemental Registration

Supplier of Water

Surface Impoundment

Surface Runoff

Surface Uranium Mines

Surface Water

Surface-Water Treatment Rule

Surfacing ACM

Surfacing Material

Surfactant

Surrogate Data

Surveillance System

Susceptibility Analysis

Suspect Material

Suspended Loads

Suspended Solids

Suspension

Suspension Culture

Swamp

Synergism

Synthetic Organic Chemicals (SOCs)

System With a Single Service Connection

Systemic Pesticide

Tail Water

Tailings

Tailpipe Standards

Tampering

Technical Assistance Grant (TAG)

Technical-Grade Active Ingredient (TGA)

Technology-Based Limitations

Technology-Based Standards

Teratogenesis

Terracing

Tertiary Treatment

Theoretical Maximum Residue Contribution

Therapeutic Index

Thermal Pollution

Thermal Stratification

Thermal System Insulation (TSI)

Thermal Treatment

Thermocline

Threshold

Threshold Level

Threshold Limit Value (TLV)

Threshold Odor

Threshold Planning Quantity

Thropic Levels

Tidal Marsh

Tillage

Time-weighted Average (TWA)

Tire Processor

Tires

Tolerance Petition

Tolerances

Tonnage

Topography

Total Dissolved Phosphorous

Total Dissolved Solids (TDS)

Total Petroleum Hydrocarbons (TPH)

Total Recovered Petroleum Hydrocarbon

Total Suspended Particles (TSP)

Total Suspended Solids (TSS)

Toxaphene

Toxic Chemical

Toxic Chemical Release Form

Toxic Chemical Use Substitution

Toxic Cloud

Toxic Concentration

Toxic Dose

Toxic Pollutants

Toxic Release Inventory

Toxic Substance

Toxic Waste

Toxicant

Toxicity

Toxicity Assessment

Toxicity Testing

Toxicological Profile

Transboundary Pollutants

Transfer Station

Transient Water System

Transmission Lines

Transmissivity

Transpiration

Transportation Control Measures (TCMs)

Transporter

Trash

Trash-to-Energy Plan

Treatability Studies

Treated Regulated Medical Waste

Treated Wastewater

Treatment

Treatment Plant

Treatment, Storage, and Disposal Facility

Tremie

Trial Burn

Trichloroethylene (TCE)

Trickle Irrigation

Trickling Filter

Trihalomethane (THM)

Troposhpere

Trust Fund (CERCLA)

Tube Settler

Tuberculation

Tundra

Turbidimeter

Turbidity

Ultra Clean Coal (UCC)

Ultraviolet Rays

Uncertainty Factor

Unconfined Aquifer

Underground Injection Control (UIC)

Underground Injection Wells

Underground Sources of Drinking Water

Underground Storage Tank (UST)

Unreasonable Risk

Unsaturated Zone

Upper Detection Limit

Uranium Mill Tailings Piles

Uranium Mill-Tailings Waste Piles

Urban Runoff

Urea-Formaldehyde Foam Insulation

Use Cluster

Used Oil

User Fee

Utility Load

Vadose Zone

Valued Environmental Attributes/Components

Vapor Capture System

Vapor Dispersion

Vapor Plumes

Vapor Pressure

Variance

Vector

Vegetative Controls

Vehicle Miles Travelled (VMT)

Ventilation Rate

Ventilation/Suction

Venturi Scrubbers

Vinyl Chloride

Virgin Materials

Viscosity

Volatile

Volatile Liquids

Volatile Organic Compound (VOC)

Volatile Solids

Volatile Synthetic Organic Chemicals

Volume Reduction

Volumetric Tank Test

Vulnerability Analysis

Vulnerable Zone

Waste

Waste Characterization

Waste Exchange

Waste Feed

Waste Generation

Waste Load Allocation

Waste Minimization

Waste Piles

Waste Reduction

Waste Stream

Waste Treatment Lagoon

Waste Treatment Plant

Waste Treatment Stream

Waste-Heat Recovery

Waste-to-Energy Facility/Municipal-Waste Combustor

Wastewater

Wastewater Infrastructure

Wastewater Operations and Maintenance

Water Pollution

Water Purveyor

Water Quality Criteria

Water Quality Standards

Water Quality-Based Limitations

Water Quality-Based Permit

Water Solubility

Water Storage Pond

Water Supplier

Water Supply System

Water Table

Water Treatment Lagoon

Water Well

Waterborne Disease Outbreak

Watershed

Watershed Approach

Watershed Area

Water-Soluble Packaging

Water-Source Heat Pump

Weight of Scientific Evidence

Weir

Well

Well Field

Well Injection

Well Monitoring

Well Plug

Well Point

Wellhead Protection Area

Wetlands

Wettability

Wettable Powder

Wheeling

Whole-Effluent-Toxicity Tests

Wildlife Refuge

Wire-to-Wire Efficiency

Wood Packaging

Wood Treatment Facility

Wood-Burning-Stove Pollution

Working Level (WL)

Working Level Month (WLM)

Xenobiota

Yard Waste

Yellow-Boy

Yield

Zero Air

Pages in category "Environment"

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