Natural uranium means uranium with the naturally occurring distribution of uranium isotopes, which is approximately 0.711 weight percent uranium-235, and the remainder by weight essentially uranium-238.
Natural attenuation means the reduction in the con- centration and mass of a substance, and the products into which the substance breaks down, due to naturally occurring physical, chemical and biological processes.
Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.
Genetic resources means genetic material of actual or potential value;
Hydroelectric energy means water used as the sole source of energy to produce electricity.
Corrosion inhibitor means a substance capable of reducing the corrosivity of water toward metal plumbing materials, especially lead and copper, by forming a protective film on the interior surface of those materials.
Natural environment means the air, land and water, or any combination or part thereof, of the Province of Ontario; (“environnement naturel”)
Aquatic invasive species means any invasive, prohibited,
coronavirus means severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2);
Biomethane means biogas that meets pipeline quality natural gas standards.
Wildland means an area where development is generally limited to roads, railroads, power lines, and widely scattered structures. Such land is not cultivated (i.e., the soil is disturbed less frequently than once in 10 years), is not fallow, and is not in the United States Department of Agriculture (USDA) Conservation Reserve Program. The land may be neglected altogether or managed for such purposes as wood or forage production, wildlife, recreation, wetlands, or protective plant cover.
Natural gas company ’ means a person engaged in the transportation of natural gas in interstate commerce, or the sale in inter- state commerce of such gas for resale.
Wildlife habitat means a surface water of the state used by plants and animals not considered as pathogens, vectors for pathogens or intermediate hosts for pathogens for humans or domesticated livestock and plants.
Pandemic means any outbreaks, epidemics or pandemics relating to SARS-CoV-2 or COVID-19, or any evolutions, variants or mutations thereof, or any other viruses (including influenza), and the governmental and other responses thereto.
chemical tanker means a ship constructed or adapted and used for the carriage in bulk of any liquid product listed in chapter 17 of the International Bulk Chemical Code;
Acute toxicity means concurrent and delayed adverse effects that result from an acute exposure and occur within any short observation period, which begins when the exposure begins, may extend beyond the exposure period, and usually does not constitute a substantial portion of the life span of the organism.
Chemical agent shall mean any compound which, when suitably disseminated, produces incapacitating, damaging or lethal effects on people, animals, plants or material property.
cerebral palsy means a Group of non-progressive neurological condition affecting body movements and muscle coordination, caused by damage to one or more specific areas of the brain, usually occurring before, during or shortly after birth;
EMF means the Environmental Management Framework, dated November 16, 2005, outlining the procedures for the environmental screening, management, consultation and disclosure related to the selection of the road sections under the Project.
Natural area means an area of the rural or non-urban environment which is in an unspoilt natural state or is of high scenic value, and includes, but is not limited to, national parks, game reserves, nature reserves, marine reserves, wilderness areas, areas of extensive agriculture and scenic areas;
Biological safety cabinet means a containment unit suitable for the preparation of low to moderate risk agents where there is a need for protection of the product, personnel, and environment, according to National Sanitation Foundation (NSF) Standard 49.
Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);
Iatrogenic infertility means an impairment of fertility by surgery, radiation, chemotherapy, or other medical treatment affecting reproductive organs or processes.
Air-purifying respirator means a respirator with an air-purifying filter, cartridge, or canister that removes specific air contaminants by passing ambient air through the air-purifying element.
Invasive species means an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health.
COVID-19 Pandemic means the SARS-Cov2 or COVID-19 pandemic, including any future resurgence or evolutions or mutations thereof and/or any related or associated disease outbreaks, epidemics and/or pandemics.