Laboratory Terms W

A glossary of science, chemistry, environmental and laboratory terms.

Analytical testing dots



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 |



58 results match your search term:  W


Waste
1. Unwanted materials left over from a manufacturing process. 2. Refuse from ...

Find the meaning of the term: Waste...


Waste Characterization
Identification of chemical and microbiological constituents of a waste material.

Find the meaning of the term: Waste Characterization...


Waste Exchange
Arrangement in which companies exchange their wastes for the benefit of both ...

Find the meaning of the term: Waste Exchange...


Waste Feed
The continuous or intermittent flow of wastes into an incinerator.

Find the meaning of the term: Waste Feed...


Waste Generation
The weight or volume of materials and products that enter the waste stream be...

Find the meaning of the term: Waste Generation...


Waste Load Allocation
1. The maximum load of pollutants each discharger of waste is allowed to rele...

Find the meaning of the term: Waste Load Allocation...


Waste Minimization
Measures or techniques that reduce the amount of wastes generated during indu...

Find the meaning of the term: Waste Minimization...


Waste Piles
Non-containerized, lined or unlined accumulations of solid, nonflowing waste.

Find the meaning of the term: Waste Piles...


Waste Reduction
Using source reduction, recycling, or composting to prevent or reduce waste g...

Find the meaning of the term: Waste Reduction...


Waste Stream
The total flow of solid waste from homes, businesses, institutions, and manuf...

Find the meaning of the term: Waste Stream...


Waste Treatment Lagoon
Impoundment made by excavation or earth fill for biological treatment of wast...

Find the meaning of the term: Waste Treatment Lagoon...


Waste Treatment Plant
A facility containing a series of tanks, screens, filters and other processes...

Find the meaning of the term: Waste Treatment Plant...


Waste Treatment Stream
The continuous movement of waste from generator to treater and disposer.

Find the meaning of the term: Waste Treatment Stream...


Waste-Heat Recovery
Recovering heat discharged as a byproduct of one process to provide heat need...

Find the meaning of the term: Waste-Heat Recovery...


Waste-to-Energy Facility
Facility where recovered municipal solid waste is converted into a usable for...

Find the meaning of the term: Waste-to-Energy Facility...


Wastewater
The spent or used water from a home, community, farm, or industry that contai...

Find the meaning of the term: Wastewater...


Wastewater Infrastructure
The plan or network for the collection, treatment, and disposal of sewage in ...

Find the meaning of the term: Wastewater Infrastructure...


Wastewater Operations and Maintenance
Actions taken after construction to ensure that facilities constructed to tre...

Find the meaning of the term: Wastewater Operations and Maintenance...


Wastewater Treatment Plan
A facility containing a series of tanks, screens, filters, and other processe...

Find the meaning of the term: Wastewater Treatment Plan...


Water Purveyor
A public utility, mutual water company, county water district, or municipalit...

Find the meaning of the term: Water Purveyor...


Water Quality Criteria
Levels of water quality expected to render a body of water suitable for its d...

Find the meaning of the term: Water Quality Criteria...


Water Quality Standards
State-adopted and EPA-approved ambient standards for water bodies. The standa...

Find the meaning of the term: Water Quality Standards...


Water Quality-Based Limitations
Effluent limitations applied to dischargers when mere technology-based limita...

Find the meaning of the term: Water Quality-Based Limitations...


Water Quality-Based Permit
A permit with an effluent limit more stringent than one based on technology p...

Find the meaning of the term: Water Quality-Based Permit...


Water Solubility
The maximum possible concentration of a chemical compound dissolved in water....

Find the meaning of the term: Water Solubility...


Water Storage Pond
An impound for liquid wastes designed to accomplish some degree of biochemica...

Find the meaning of the term: Water Storage Pond...


Water Supplier
One who owns or operates a public water system.

Find the meaning of the term: Water Supplier...


Water Supply System
The collection, treatment, storage, and distribution of potable water from so...

Find the meaning of the term: Water Supply System...


Water Table
The level of groundwater.

Find the meaning of the term: Water Table...


Water Treatment Lagoon
An impound for liquid wastes designed to accomplish some degree of biochemica...

Find the meaning of the term: Water Treatment Lagoon...


Water Well
An excavation where the intended use is for location, acquisition, developmen...

Find the meaning of the term: Water Well...


Water-Soluble Packaging
Packaging that dissolves in water; used to reduce exposure risks to pesticide...

Find the meaning of the term: Water-Soluble Packaging...


Water-Source Heat Pump
Heat pump that uses wells or heat exchangers to transfer heat from water to t...

Find the meaning of the term: Water-Source Heat Pump...


Waterborne Disease Outbreak
The significant occurence of acute illness associated with drinking water fro...

Find the meaning of the term: Waterborne Disease Outbreak...


Watershed
The land area that drains into a stream; the watershed for a major river may ...

Find the meaning of the term: Watershed...


Watershed Approach
A coordinated framework for environmental management that focuses public and ...

Find the meaning of the term: Watershed Approach...


Watershed Area
A topographic area within a line drawn connecting the highest points uphill o...

Find the meaning of the term: Watershed Area...


Weight of Scientific Evidence
Considerations in assessing the interpretation of published information about...

Find the meaning of the term: Weight of Scientific Evidence...


Weir
1. A wall or plate placed in an open channel to measure the flow of water. 2....

Find the meaning of the term: Weir...


Well
A bored, drilled, or driven shaft, or a dug hole whose depth is greater than ...

Find the meaning of the term: Well...


Well Field
Area containing one or more wells that produce usable amounts of water or oil.

Find the meaning of the term: Well Field...


Well Injection
The subsurface emplacement of fluids into a well.

Find the meaning of the term: Well Injection...


Well Monitoring
Measurement by on-site instruments or laboratory methods of well water quality.

Find the meaning of the term: Well Monitoring...


Well Plug
A watertight, gastight seal installed in a bore hole or well to prevent movem...

Find the meaning of the term: Well Plug...


Well Point
A hollow vertical tube, rod, or pipe terminating in a perforated pointed shoe...

Find the meaning of the term: Well Point...


Wellhead Protection Area
A protected surface and subsurface zone surrounding a well or well field supp...

Find the meaning of the term: Wellhead Protection Area...


Wetlands
An area that is saturated by surface or ground water with vegetation adapted ...

Find the meaning of the term: Wetlands...


Wettability
The relative degree to which a fluid will spread into or coat a solid surface...

Find the meaning of the term: Wettability...


Wettable Powder
Dry formulation that must be mixed with water or other liquid before it is ap...

Find the meaning of the term: Wettable Powder...


Wheeling
The transmission of electricity owned by one entity through the facilities ow...

Find the meaning of the term: Wheeling...


Whole-Effluent-Toxicity Tests
Tests to determine the toxicity levels of the total effluent from a single so...

Find the meaning of the term: Whole-Effluent-Toxicity Tests...


Wildlife Refuge
An area designated for the protection of wild animals, within which hunting a...

Find the meaning of the term: Wildlife Refuge...


Wire-to-Wire Efficiency
The efficiency of a pump and motor together.

Find the meaning of the term: Wire-to-Wire Efficiency...


Wood Packaging
Wood products such as pallets, crates, and barrels.

Find the meaning of the term: Wood Packaging...


Wood Treatment Facility
An industrial facility that treats lumber and other wood products for outdoor...

Find the meaning of the term: Wood Treatment Facility...


Wood-Burning-Stove Pollution
Air pollution caused by emissions of particulate matter, carbon monoxide, tot...

Find the meaning of the term: Wood-Burning-Stove Pollution...


Working Level Month WLM
A unit of measure used to determine cumulative exposure to radon.

Find the meaning of the term: Working Level Month WLM...


Working Level WL
A unit of measure for documenting exposure to radon decay products, the so-ca...

Find the meaning of the term: Working Level WL...




Analytical testing dots