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.
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;
Noxious weeds or "weeds" means any exotic plant species established or that may be introduced
Noxious weed means a plant that when established is highly destructive, competitive, or difficult to control by cultural or chemical practices.
Cannabinoid extract means a substance obtained by separating cannabinoids from marijuana by: