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The SIN List is composed of chemicals evaluated by the environmental NGO ChemSec as meeting EU criteria for being Substances of Very High Concern (SVHCs) under Article 57 of REACH, being either carcinogenic, mutagenic or reprotoxic (CMR), persistent, bioaccumulative and toxic (PBT), very persistent and very bioaccumulative (vPvB), or posing an equivalent environmental or health threat., [1] [2]
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]
Contaminated soils in Māpua, New Zealand, due to the operation of an agricultural chemicals factory from 1932 to 1989; Basin F, a disposal site in the United States created in 1956 for contaminated liquid wastes from the chemical manufacturing operations of the Army and its lessee Shell Chemicals company; Coastal erosion in Louisiana
Environmental chemists draw on a range of concepts from chemistry and various environmental sciences to assist in their study of what is happening to a chemical species in the environment. Important general concepts from chemistry include understanding chemical reactions and equations , solutions , units , sampling , and analytical techniques .
The convention seeks to study and then judge whether or not a number of chemicals that have been developed with advances in technology and science can be categorized as POPs. The initial meeting in 2001 made a preliminary list, termed the "dirty dozen", of chemicals that are classified as POPs. [21]
Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...
Environmental chemistry is the scientific study of the physical, chemical and biochemical properties and processes of polluting substances in the environment. Subcategories This category has the following 7 subcategories, out of 7 total.
The international pictogram for environmental hazards.. Environmental hazards are hazards that affect biomes or ecosystems. [1] Well known examples include oil spills, water pollution, slash and burn deforestation, air pollution, ground fissures, [2] and build-up of atmospheric carbon dioxide. [3]