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A wetland is a distinct ecosystem that is inundated by water, either permanently or seasonally, where oxygen-free processes prevail. The primary factor that distinguishes wetlands from other land forms or water bodies is the characteristic vegetation of aquatic plants, adapted to the unique hydric soil

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For measuring the depth to water in wells, boreholes, standpipes, and tanks, Model 101 Water Level Meters are the industry standard for portable hand operated meters. ... The Model 101 P2 Water Level Meterfeatures an easy-to-repair probe and heat embossed polyethylene flat tape.

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Water test kits have one goal – to detect the contaminants in your water, so you can take the proper measures to ensure your safety. Water test kits detect many contaminants, such as iron, lead, nitrate, nitrite, alkalinity, pesticides, hardness, bacteria and many others.

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Tertiary treatment is the final cleaning process that improves wastewater quality before it is reused, recycled or discharged to the environment. Thetreatment removes remaining inorganic compounds, and substances, such as the nitrogen and phosphorus.

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Physical, chemical, and biological processes are used to remove contaminants and produce treatedwastewater (or treated effluent) that is safe enough for release into the environment. A by-product ofsewage treatment is a semi-solid waste or slurry, called sewage sludge.

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A septic tank is an underground chamber made of concrete, fiberglass or plastic through which domestic wastewater flows for basic treatment. Settling and anaerobic processes reduce solids and organics, but the treatment efficiency is only moderate. Septic tank systems are a type of simple onsite sewage facility

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A retention basin, sometimes called a wet pond, wet detention basin or stormwater management pond, is an artificial lake with vegetation around the perimeter, and includes a permanent pool of water in its design.

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an apparatus worn over the mouth and nose or the entire face to prevent the inhalation of dust, smoke, or other noxious substances.

"for a time everyone had to work with respirators"

an apparatus used to induce artificial respiration.

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Porosity is the quality of being porous, or full of tiny holes. Liquids go right through things that have porosity. Go back far enough and you'll find that porosity stems from the Greek word poros for "pore," which means “passage.” So something withporosity lets things through.

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The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack” (Hill, 1997). Factories and sewage treatment plants are two common types of point sources.

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the sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.

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pH is a scale of acidity from 0 to 14. It tells how acidic or alkaline a substance is. More acidic solutions have lower pH. More alkaline solutions have higher pH. Substances that aren't acidic or alkaline (that is, neutral solutions) usually have a pH of 7.

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A photoionization detector or PID is a type of gas detector. Typical photoionization detectors measure volatile organic compounds and other gases in concentrations from sub parts per billion to 10 000 parts per million

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the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.

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A percolation test (colloquially called a perc test) is a test to determine the water absorption rate of soil (that is, its capacity for percolation) in preparation for the building of a septic drain field (leach field) or infiltration basin.

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a living thing

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The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.

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an instrument designed to measure electric current, voltage, and usually resistance, typically over several ranges of value.

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a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

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a substance made by mixing other substances together.

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a substance made by mixing other substances together.

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mixture

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small orginisms

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Litmus Paper Definition: ​ Filter paper which has been treated with a natural water-soluble dye obtained from lichens. ... Blue litmus paper turns red under acidic conditions (pH below 4.5) while red litmus paper turns blue under alkaline conditions (pH above 8.3). Neutral litmus paper is purplish in color.Mar 8, 201

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Geotech Interface Probe With Float. The GeotechInterface Probe With Float is a portable, reel-mounted instrument that provides measurements of liquids lighter and heavier than water. When the probe is lowered down a well and contacts the product layer, a solid tone and red light alarm is activated at the reel.

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stream, especially a tributary, which flows into another stream or lake.

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the branch of science concerned with the properties of the earth's water, and especially its movement in relation to land.

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The water cycle, also known as the hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth

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a compound of hydrogen and carbon, such as any of those which are the chief components of petroleum and natural gas.

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the science that deals with the earth's physical structure and substance, its history, and the processes that act on it.

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Environmental technicians typically work under the direction of environmental scientists. They monitor theenvironment and investigate sources of pollution by performing laboratory and field tests. ... An environmental technician is sometimes referred to as an environmentalscience and protection technician.Apr 25, 2019

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seince of the enviroment.

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Environmental remediation refers to reducing radiation exposure, for example, from contaminated soil, groundwater or surface water. The purpose is more than just eliminating radiation sources; it is about protecting people and theenvironment against potential harmful effects from exposure to ionizing radiation.

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Environmental engineering is a professional engineering discipline that takes from broad scientific topics like chemistry, biology, ecology, geology, hydraulics, hydrology, microbiology, and mathematics to create solutions that will protect the health of living organisms and improve the quality of the environment.

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the smallest substance with properties.

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liquid waste or sewage discharged into a river or the sea.

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a substance made of two or more things

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Chemistry is a branch of science that involves the study of the composition, structure and properties of matter. Often known as the central science, it is a creative discipline chiefly concerned with atomic and molecular structure and its change, for instance through chemical reactions.

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the use of either naturally occurring or deliberately introduced microorganisms or other forms of life to consume and break down environmental pollutants, in order to clean up a polluted site.

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A biologist is a scientist who has specialized knowledge in the field of biology, the scientific study of life. Biologists involved in fundamental research attempt to explore and further explain the underlying mechanisms that govern the functioning of living matter.

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Biofiltration is a pollution control technique using a bioreactor containing living material to capture and biologically degrade pollutants. Common uses include processing waste water, capturing harmful chemicals or silt from surface runoff, and microbiotic oxidation of contaminants in air.

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Benzene is a colorless, flammable liquid with a sweet odor. It evaporates quickly when exposed to air. Benzene is formed from natural processes, such as volcanoes and forest fires, but most exposure to benzene results from human activities.Benzene is among the 20 most widely used chemicals in the United States.Jan 5, 2016

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an artificial channel for conveying water, typically in the form of a bridge across a valley or other gap

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American Academy of Environmental Engineers and Scientists (AAEES) 

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American Academy of Environmental Engineers and Scientists (AAEES) 

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The American Academy of Environmental Engineers and Scientists is a society of professional engineers and scientists who have demonstrated special expertise in environmental engineering or science beyond ...

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Air Sampler. Definition: Air sampler. Explanation: Devices or equipment used to sample a measured amount of air in a specified time to quatitate the particulate or microbiological status of air within a controlled environment. Air sampling monitor microbial content in the the air.

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reasoning conducted or assessed according to strict principles of validity.

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Human–computer interaction researches the design and use of computer technology, focused on the interfaces between people and computers. Researchers in the field of HCI both observe the ways in which humans interact with computers and design technologies that let humans interact with computers in novel ways

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End of arm tooling (EOAT) is a crucial aspect of robotic technology. It refers to the equipment that interacts with parts and components, typically at the end of a roboticarm. For example, the welding torch on a robotic welding system.

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Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.

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a structured set of data held in a computer, especially one that is accessible in various ways.

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Computer-integrated manufacturing (CIM) is themanufacturing approach of using computers to control entire production process. ... Typically CIM relies of closed-loop control processes, based on real-time input from sensors. It is also known as flexible design andmanufacturing.

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In computer engineering, computer architecture is a set of rules and methods that describe the functionality, organization, and implementation ofcomputer systems. Some definitions of architecturedefine it as describing the capabilities and programming model of a computer but not a particular implementation.

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Computer-aided process planning is the use of computer technology to aid in the process planning of a part or product, in manufacturing. CAPP is the link between CAD and CAM in that it provides for the planning of the process to be used in producing a designed

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computer-aided manufacturing (CAM) software 

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computer-aided manufacturing (CAM) software 

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Computer-aided manufacturing is the use of software to control machine tools and related ones in the manufacturing of workpieces

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A binary code represents text, computer processor instructions, or any other data using a two-symbol system. The two-symbol system used is often "0" and "1" from the binary number system. The binary code assigns a pattern of binary digits, also known as bits, to each character, instruction, etc.

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An autonomous robot is a robot that performs behaviors or tasks with a high degree of autonomy.Autonomous robotics is usually considered to be a subfield of artificial intelligence, robotics, and information engineering.

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a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

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A Zener diode is a type of diode that allows current to flow not only from its anode to its cathode, but also in the reverse direction, when the Zener voltage is reached. Zener diodeshave a highly doped p–n junction.

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Watt's Law states that: Power (in Watts) = Voltage (in Volts) x Current (in Amps) P = V I Combining with Ohm's law we get two other useful forms: P = V*V / R and P = I*I*R Power is a measurement of the amount of work that can be done with the circuit, such as turning a motor or lighiting a light bulb.Oct 4, 2009

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the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.

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A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter can measure voltage, current, and resistance. Analog multimeters uses a microammeter with a moving pointer todisplay readings.

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A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.

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an electromotive force or potential difference expressed in volts.

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the SI unit of electromotive force, the difference of potential that would drive one ampere of current against one ohm resistance.

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Definition of: variable resistor. variable resistor. An electronic component that is used to vary the amount of current that flows through a circuit. It works by sliding a wiper terminal across a resistive material, typically a thin film or chunk of carbon or a resistive wire made of nickel chromium or tungsten alloys.

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The valence shell is the outermost shell of an atom in its uncombined state, which contains the electrons most likely to account for the nature of any reactions involving the atom and of the bonding interactions it has with other atoms

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solve serious problems for a company or other organization.

trace and correct faults in a mechanical or electronic system.

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A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit

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a device for making and breaking the connection in an electric circuit.

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a stationary electric charge, typically produced by friction, which causes sparks or crackling or the attraction of dust or hair.

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A breadboard is a construction base for prototyping of electronics. ... In the 1970s the solderless breadboard ( a.k.a. plugboard, a terminal array board) became available and nowadays the term "breadboard" is commonly used to refer to these. Because the solderless breadboard does not require soldering, it is reusable.

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A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon

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Components of an electrical circuit or electronic circuitcan be connected in series, parallel, or series-parallel. ... In a series circuit, the current that flows through each of the components is the same, and the voltage across the circuit is the sum of the individual voltage drops across each component.

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A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor

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a device which detects or measures a physical property and records, indicates, or otherwise responds to it.

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a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects. Devices made of semiconductors, notably silicon, are essential components of most electronic circuits.

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secondary cell. noun. A rechargeable electric cell that converts chemical energy into electrical energy by a reversible chemical reaction. Also called storage cell .

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An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circui

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A schematic diagram is a picture that represents the components of a process, device, or other object using abstract, often standardized symbols and lines. Althoughschematic diagrams are commonly associated with electrical circuits, many examples can be found in other industries.

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a device having a designed resistance to the passage of an electric current.

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the electrical resistance of an object is a measure of its opposition to the flow of electric current. The inverse quantity is electrical conductance, and is the ease with which an electric current passes. Electrical resistance shares some conceptual parallels with the notion of mechanical friction

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a positively charged particle

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an electric cell that produces current by an irreversible chemical reaction.

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the ability to do something or act in a particular way, especially as a faculty or quality.

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the property of having poles or being polar.

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A Parallel circuit has certain characteristics and basic rules: A parallel circuit has two or more paths for current to flow through. Voltage is the same across each component of the parallel circuit. The sum of the currents through each path is equal to the total current that flows from the source.

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An oscilloscope is a laboratory instrument commonly used to display and analyze the waveform of electronic signals. In effect, the device draws a graph of the instantaneous signal voltage as a function of time.

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Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

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an instrument for measuring electrical resistance.

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The ohm is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.

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a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

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An engine or motor is a machine designed to convert one form of energy into mechanical energy. Heat engines, like the internal combustion engine, burn a fuel to create heat which is then used to do work.

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an electrical device producing ultraviolet, infrared, or other radiation, used for therapeutic purposes.

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A light-emitting diode is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. This effect is called electroluminescence

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In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. This law means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another

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an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.