Log in to view your state's edition
You are not logged in
Free Special Reports
Get Your FREE Special Report. Download Any One Of These FREE Special Reports, Instantly!
Featured Special Report
Claim Your Free Copy of 2016 EHS Salary Guide

This report will help you evaluate if you are being paid a fair amount for the responsibilities you are shouldering. In addition, EHS managers can find the information to keep their departments competitive and efficient—an easy way to guarantee you are paying the right amount to retain hard-to-fill positions but not overpaying on others.

Download Now!

The environment, health, and safety (EHS) field is in the midst of change. Job responsibilities are shifting, there are younger employees joining the workforce, and you are being asked to do more with less.

As an EHS professional, it’s hard to tell if you are being paid competitively, and as an employer, it’s hard to tell if you are offering salaries that are competitive and efficient. This report clears up some of that confusion.

Download Now!
Bookmark and Share
August 02, 2010
Enviro 101: Glossary of Environmental Compliance Terms I-L

This glossary contains terms you may run across on this site or in some other EHS context.

As an EHS professional, it’s hard to tell if you are being paid competitively, and as an employer, it’s hard to tell if you are offering salaries that are competitive and efficient. For a Limited Time we’re offering a FREE copy of the 2016 EHS Salary Guide! Download Now

Ignitable: Capable of burning or causing a fire.

Impoundment: A body of water or sludge confined by a dam, dike, floodgate, or other barrier (see Surface Impoundment). For more information, see the Surface Impoundments topic page.

Immediately Dangerous to Life and Health (IDLH): The maximum level of a chemical a healthy individual may be exposed to for 30 minutes without suffering irreversible health effects or impairing symptoms.

Incineration: 1: Burning of certain types of solid, liquid, or gaseous materials. 2: Treatment technology involving destruction of waste by controlled burning at high temperatures. For more information, see the Incineration topic page.

Incinerator: A furnace for burning wastes under controlled conditions. For more information, see the Incineration topic page.

Indirect Discharge: Introduction of pollutants from a non-domestic source into a publicly owned waste treatment system. Indirect dischargers may be commercial or industrial facilities whose wastes go into local sewers.

Individual Permit: A water discharge permit issued to an individual discharger. Dischargers can apply individually or as a group for an individual permit.

Indoor Air Pollution: Chemical, physical, or biological contaminants in indoor air. For more information, see the Ventilation topic page.

Infiltration: 1: The penetration of water through the ground surface into sub-surface soil, or the penetration of water from the soil into sewer or other pipes through defective joints, connections, or manhole walls. 2: A land application technique where large volumes of wastewater are applied to land, allowed to penetrate the surface and percolate through the underlying soil.

Influent: Water, wastewater, or other liquid flowing into a reservoir, basin, or treatment plant.

In-Ground Tank: A hazardous waste storage tank in which a portion of the tank wall is situated to any degree within the ground that prohibits visual inspection of that external surface area of the tank that is in the ground.

Injection Well: A well into which fluids are injected for waste disposal, to improve the recovery of crude oil, or for solution mining. For more information, see the Underground Injection Wells topic page.

Injection Zone: A geological formation, group of formations, or part of a formation receiving fluids through a well.

Insecticide: A pesticide compound specifically used to kill or control the growth of insects. For more information, see the Pesticides topic page.

Inspection and Maintenance: 1: Activities to ensure proper emissions-related operation of mobile sources of air pollutants, particularly automobile emissions controls. 2: Also applies to wastewater treatment plants and other anti-pollution facilities and processes.

Interim (Permit) Status: Period during which a treatment, storage, and disposal facility (TSDF) coming under RCRA in 1980 is temporarily permitted to operate while awaiting denial or issuance of a permanent permit. Interim-status permits also are called “Part A” permits.

Interstitial Monitoring: The continuous surveillance of the space between the walls of an underground storage tank.

Inventory: Toxic Substances Control Act inventory of chemicals produced under section 8(b) of TSCA. Irrigation: Technique for applying water or wastewater to land areas to supply the water and nutrient needs of plants.

ISO: A series of ISO 14000 Environmental Management Standards have been published by the International Organization for Standardization (ISO)—ISO 14001 and ISO 14004 focus on environmental management tools and systems that can be integrated into existing operations, ISO 14010 (principles of environmental auditing), ISO 14011 (auditing procedures), and ISO 14012 (qualification criteria for environmental auditors).

Joint and Several Liability: Refers to the sharing of liability among a group of people collectively and also individually.

Enviro Glossary Terms A
Enviro Glossary Terms B and C
Enviro Glossary Terms D and E
Enviro Glossary Terms F through H
Enviro Glossary Terms I through L
Enviro Glossary Terms M and N
Enviro Glossary Terms O and P
Enviro Glossary Terms Q and R
Enviro Glossary Terms S and T
Enviro Glossary Terms U through Z

Featured Special Report:
2016 EHS Salary Guide
Twitter   Facebook   Linked In
Follow Us