14.06.130 “M.”
“Mass limit” or “mass loading” means the total number of pounds of a pollutant allowed to be discharged during a specified time period. It shall be calculated using the following formula:
pounds/day = (conc. in mg/L) x (gal. discharge/day*) x 8.34
*In million gallons discharged per day, i.e., 100 gallons is represented by 0.000100 in million gallons.
“Medical waste” means isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes and dialysis wastes.
“Middle tier significant categorical industrial user,” as defined and set forth in 40 CFR 403.12(e) (3), means at the director of public works’ discretion, a categorical industrial user may be deemed a “middle tier significant CIU” where the industrial user meets all of the following conditions:
1. The industrial user’s total categorical wastewater flow does not exceed any of the following:
a. One-hundredth percent of the design dry weather hydraulic capacity of the POTW, or 5,000 gallons per day, whichever is smaller, as measured by a continuous effluent flow monitoring device unless the industrial user discharges in batches;
b. One-hundredth percent of the design dry weather organic treatment capacity of the POTW; and
c. One-hundredth percent of the maximum allowable headworks loading for any pollutant regulated by the applicable categorical pretreatment standard for which approved local limits were developed by the POTW;
2. The industrial user has not been in significant noncompliance, as defined in 40 CFR 403.8(f)(2)(viii), for any time in the past two years;
3. The industrial user does not have daily flow rates, production levels, or pollutant levels that vary so significantly that decreasing the reporting requirement for this industrial user would result in data that are not representative of conditions.
“Minor violation” means any pollutant concentrations or mass loadings in excess of the effluent limitations allowed by LMC 14.60.319, or by a discharge permit issued under this chapter which are:
1. Less than one and two-tenths times the average concentration or mass loading allowed by the provisions of this title or any discharge permit issued hereunder; or
2. Less than two and one-half times the maximum concentration or mass loading allowed by the provisions of this chapter or any discharge permit issued hereunder.
“Monthly average” means the sum of all daily discharges measured during a calendar month divided by the number of daily discharges measured during that month.
“Multifamily user” means a residential building designed for two or more families, or for more than five unrelated persons. It includes duplexes, triplexes, fourplexes, apartment buildings, dormitories, boarding houses and rooming houses. (Ord. 3220 § 1, 2016; Ord. 3025 § 1, 2013; Ord. 2742 § 1, 2008; Ord. 2609 § 1, 2006; Ord. 2572 § 4, 2005; Ord. 2070 § 2, 1996; Ord. 1706, 1989)