Noxious weeds means weeds that are difficult to control effectively, such as Johnson Grass, Kudzu, and multiflora rose.
Noxious weed means a plant that when established is highly destructive, competitive, or difficult to control by cultural or chemical practices.
odour nuisance means a continuous or repeated odour, smell or aroma, in an affected area, which is offensive, obnoxious, troublesome, annoying, unpleasant or disagreeable to a person:
noxious liquid substance means any substance designated in Appendix II to this Annex or provisionally assessed under the provisions of Regulation 3(4) as falling into Category A, B, C or D.
noise nuisance means an unwanted sound, in an affected area, which is annoying, troublesome, or disagreeable to a person:
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.
Odor means that property of an air contaminant that affects the sense of smell.
Dangerous Substance means any radioactive emissions and any natural or artificial substance (whether in solid or liquid form or in the form of a gas or vapour and whether alone or in combination with any other substance) which, taking into account the concentrations and quantities present and the manner in which it is being used or handled, it is reasonably foreseeable will cause harm to man or any other living organism or damage to the Environment including any controlled, special, hazardous, toxic, radioactive or dangerous waste.
Vapor tight means equipment that allows no loss of vapors. Compliance with vapor-tight requirements can be determined by checking to ensure that the concentration at a potential leak source is not equal to or greater than 100 percent of the lower explosive limit (LEL) when measured with a combustible gas detector, calibrated with propane, at a distance of 1 inch (2.54 cm) from the source.
High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR part 82, subpart G, with supplemental tables of alternatives available at (http://www.epa.gov/snap/ ).
Dangerous weapon means any weapon, device, instrument, material, or substance, animate or inanimate, which under the circumstances in which it is used, attempted to be used, or threatened to be used is readily capable of causing death or serious physical injury.
Dangerous Substances means a substance or article described in regulation 3 of the Dangerous Substances Regulations;
Pests means Birds, Vermin and Insects.
Airborne radioactivity area means a room, enclosure, or area in which airborne radioactive materials, composed wholly or partly of licensed material, exist in concentrations:
Dangerous dog means a dog that:
Noise means two times the root mean square of ten standard deviations, each calculated from the zero responses measured at a constant frequency which is a multiple of 1,0 Hz during a period of 30 seconds.
Gaseous pollutants means the exhaust gas emissions of carbon monoxide, oxides of nitrogen expressed in nitrogen dioxide (NO2) equivalent and hydrocarbons assuming ratio of:
Controlled dangerous substance means a drug, substance, or
Mold means mold, fungus, microbial contamination or pathogenic organisms.
explosive actuated fastening device means a tool that is activated by an explosive charge and that is used for driving bolts, nails and similar objects for the purpose of providing fixing;
Hazardous substance UST system means an UST system that contains a hazardous substance defined in section 101(14) of the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (but not including any substance regulated as a hazardous waste under subtitle C) or any mixture of such substances and petroleum, and which is not a petroleum UST system.
Harmful substance means any substance which, if introduced into the sea, is liable to create hazards to human health, to harm living resources and marine life, to damage amenities or to interfere with other legitimate uses of the sea, and includes any substance subject to control by the present Convention.
fissionable substance means any prescribed substance that is, or from which can be obtained, a substance capable of releasing atomic energy by nuclear fission.
Existing Contamination means any Contamination present on, or under, the Site as of the execution date of this Contract.
Extremely Hazardous Substance has the meaning set forth in Section 302 of the Emergency Planning and Community Right-to-Know Act of 1986, as amended.
Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);