Chemical waste
Encyclopedia
Chemical waste is a waste
Waste types
Waste comes in many different forms:*Solid Wastes*Gaseous Wastes*Animal by-products*Biodegradable waste*Biomedical waste*Bulky waste*Business waste*Chemical waste*Clinical waste*Coffee wastewater*Commercial waste...

 that is made from harmful chemicals (mostly produced by large factories). Chemical waste may fall under regulations such as COSHH
COSHH
The Control of Substances Hazardous to Health Regulations 2002 is a United Kingdom Statutory Instrument that states general requirements on employers to protect employees and other persons from the hazards of substances used at work by risk assessment, control of exposure, health surveillance and...

 in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, or the Clean Water Act
Clean Water Act
The Clean Water Act is the primary federal law in the United States governing water pollution. Commonly abbreviated as the CWA, the act established the goals of eliminating releases of high amounts of toxic substances into water, eliminating additional water pollution by 1985, and ensuring that...

 and Resource Conservation and Recovery Act
Resource Conservation and Recovery Act
The Resource Conservation and Recovery Act , enacted in 1976, is the principal Federal law in the United States governing the disposal of solid waste and hazardous waste.-History and Goals:...

 in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. In the U.S., the Environmental Protection Agency (EPA) and the Occupational Safety and Health Administration (OSHA), as well as state and local regulations also regulate chemical use and disposal. Chemical waste may or may not be classed as hazardous waste
Hazardous waste
A hazardous waste is waste that poses substantial or potential threats to public health or the environment. According to the U.S. environmental laws hazardous wastes fall into two major categories: characteristic wastes and listed wastes.Characteristic hazardous wastes are materials that are known...

.

Laboratory

In the laboratory, chemical wastes are usually segregated on-site into appropriate waste carboy
Carboy
A carboy is a rigid container with a typical capacity of 5 to 15 gallons . Carboys are primarily used for transporting fluids, often water or chemicals.They are also used for in-home fermentation of beverages, often wine.-Brewing:...

s, and disposed by a specialist contractor in order to meet safety, health, and legislative requirements.

Waste organic solvents are separated into chlorinated and non-chlorinated solvent waste. Chlorinated solvent waste is usually incinerated at high temperature to minimize the formation of dioxins. Non-chlorinated solvent waste can be burned for energy recovery
Energy recovery
Energy recovery includes any technique or method of minimizing the input of energy to an overall system by the exchange of energy from one sub-system of the overall system with another...

. Innocuous aqueous waste (such as solutions of sodium chloride
Sodium chloride
Sodium chloride, also known as salt, common salt, table salt or halite, is an inorganic compound with the formula NaCl. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms...

) may be poured down the sink; aqueous waste containing toxic compounds are collected separately.

Waste elemental mercury
Mercury (element)
Mercury is a chemical element with the symbol Hg and atomic number 80. It is also known as quicksilver or hydrargyrum...

, spent acids and bases may be collected separately for recycling.

Broken glassware
Laboratory glassware
Laboratory glassware refers to a variety of equipment, traditionally made of glass, used for scientific experiments and other work in science, especially in chemistry and biology laboratories...

 are usually collected in plastic-lined cardboard boxes for landfilling. Due to contamination, they are usually not suitable for recycling. Similarly, used hypodermic needle
Hypodermic needle
A hypodermic needle is a hollow needle commonly used with a syringe to inject substances into the body or extract fluids from it...

s are collected as sharps
Sharps
Sharps may refer to:* Medical instruments etc which are disposed of as Sharps waste* Sharps, Virginia, unincorporated community in USA* Sharps Rifle Manufacturing Company firearms company* Sharps Buffalo Rifle* Sharps Carbine...

 and are incinerated as medical waste
Medical waste
Medical waste, also known as clinical waste, normally refers to waste products that cannot be considered general waste, produced from healthcare premises, such as hospitals, clinics, doctors offices, veterinary hospitals and labs.-Europe:...

.

Mapping of chemical waste in the United States

TOXMAP
TOXMAP
TOXMAP is a geographic information system from the United States National Library of Medicine that uses maps of the United States to help users visually explore data from the United States Environmental Protection Agency's Toxics Release Inventory and Superfund programs...

 is a Geographic Information System (GIS) from the Division of Specialized Information Services of the United States National Library of Medicine
United States National Library of Medicine
The United States National Library of Medicine , operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is a division of the National Institutes of Health...

 (NLM) that uses maps of the United States to help users visually explore data from the United States Environmental Protection Agency
United States Environmental Protection Agency
The U.S. Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress...

's (EPA) Toxics Release Inventory
Toxics Release Inventory
The Toxics Release Inventory is a publicly available database containing information on toxic chemical releases and other waste management activities in the United States.-Summary of requirements:...

 and Superfund Basic Research Program
Superfund Basic Research Program
The Superfund Research Program was created within the National Institute of Environmental Health Sciences in 1986 under the Superfund Amendments and Reauthorization Act...

s. TOXMAP is a resource funded by the US Federal Government. TOXMAP's chemical and environmental health information is taken from NLM's Toxicology Data Network (TOXNET) and PubMed
PubMed
PubMed is a free database accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine at the National Institutes of Health maintains the database as part of the Entrez information retrieval system...

, and from other authoritative sources.

See also

  • Industrial waste
    Industrial waste
    Industrial waste is a type of waste produced by industrial activity, such as that of factories, mills and mines. It has existed since the outset of the industrial revolution....

  • List of waste types
  • Solid waste
  • Waste management
    Waste management
    Waste management is the collection, transport, processing or disposal,managing and monitoring of waste materials. The term usually relates to materials produced by human activity, and the process is generally undertaken to reduce their effect on health, the environment or aesthetics...

  • Water pollution
    Water pollution
    Water pollution is the contamination of water bodies . Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds....

  • Radioactive waste
    Radioactive waste
    Radioactive wastes are wastes that contain radioactive material. Radioactive wastes are usually by-products of nuclear power generation and other applications of nuclear fission or nuclear technology, such as research and medicine...


External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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