Unless otherwise stated, the following definitions shall govern the words and phrases used in this chapter.
A. “Curtailment period” means any period for which the Butte County Air Quality Management District issues a Check Before You Light advisory applicable to Chico which is based on a forecast of PM2.5 exceeding 35 ug/m3 which is the federal standard for PM2.5 and is considered unhealthy for sensitive groups.
B. “Director” means the director of the public works department of the city.
C. “Interior Space” means any indoor area which is designed and used for human occupancy.
D. “Manufactured logs” means compressed or extruded log shaped products designed for use in fireplaces as solid fuel that are comprised of recycled bio-mass and/or wood fibers, which may include a combustible or petroleum wax binder material in the product composition.
E. “Ringelmann chart” means the numerical ranking system whereby graduated shades of gray varying by five equal steps between white and black are visually compared to the density of smoke, which chart is distributed by the United States Bureau of Mines and designates the graduated shades 1, 2, 3, 4 and 5, as Ringelmann No.s 1, 2, 3, 4 and 5, respectively. The Ringelmann Chart is used to determine whether emissions of smoke are within limits or standards of opacity.
F. “Solid Fuel” means any wood, wood-based product, non-gaseous or non-liquid fuel, including pellet products. It does not include solid fuel used for cooking, such as charcoal.
G. “U.S. EPA” means the United States Environmental Protection Agency.
H. “U. S. EPA Phase II Certified” means any appliance certified by the U.S. EPA to meet the performance and emission standards set forth in Title 40 CFR, Part 60, Subpart AAA.
I. “Visible emissions” mean any emissions which are visually perceived by an observer.
J. “Wood burning device” means any fireplace, freestanding fireplace, fireplace insert, wood stove, or other wood heater that burns wood or any other nongaseous or non-liquid fuels or any similar device burning any wood for aesthetic or space- heating purposes in any interior space, having a heat input of less than one million British thermal units per hour.
(Ord. 2425, Ord. 2439 §70)