13.90.030 Abbreviations.
The following abbreviations, when used in this chapter, shall have the designated meanings:
AKART – All known, available, and reasonable methods of treatment
ASPP – Accidental spill prevention plan
BMPs – Best management practices
BMR – Baseline monitoring report
BOD5 – Biochemical oxygen demand
CFR – Code of Federal Regulations
CIU – Categorical industrial user
cm – Centimeter
COD – Chemical oxygen demand
CWA – Clean Water Act
CWF – Combined wastestream formula
DMR – Discharge monitoring report
DOE – Washington State Department of Ecology
EPA – U.S. Environmental Protection Agency
gpd – gallons per day
IU – Industrial user
LEL – Lower explosion limit
MDL – Maximum daily limit
mg/l – milligrams per liter, interchangeable with part per million (ppm)
NAICS – North American Industry Classification System
nm – Nanometer
NPDES – National Pollutant Discharge Elimination System
NSCIU – Nonsignificant categorical industrial user
O&M – Operations and Maintenance
POTW – Publicly owned treatment works
ppb – parts per billion, interchangeable with μg/l
ppm – parts per million, interchangeable with mg/l
PWRF – Process water reuse facility
RCRA – Resource Conservation and Recovery Act
RCW – Revised Code of Washington
SIC – Standard Industrial Classification
SIU – Significant industrial user
SWD – State waste discharge permit
TDS – Total dissolved solids
TRC – Total residual chlorine
TSS – Total suspended solids
TTO – Total toxic organics
μg/l – micrograms per liter, interchangeable with parts per billion (ppb)
USC – United States Code
WAC – Washington Administrative Code [Ord. 4169 § 1, 2014; Code 1970 § 13.62.010(C).]