OCR Text |
Show contaminants include heavy metals, pH and TSS. However, effluent limitations restrict the amount of heavy metals released and the pH must be between 6.5 and 9.0. Suspended sediment limitations also apply. Chevron USA Lac - Permit Number UT0000175- Chevron operates a petroleum refinery facility located at 2351 North 1100 West in Salt Lake City, at a latitude of 40 degrees 49' 39" and longitude 111 degrees 55' 50". The waste water treatment system ( WWTS) was modified between 1994- 95. The five aerobic treatment lagoons were eliminated and replaced by a biological/ mechanical system. The discharge flows into the Oil Drain Canal ( Class 6) and eventually into GSL. The average discharge flow is 0.85 million gallons per day and all refinery, pipeline, marketing operations, wastewater and storm water is treated by this improved WWTS. 262 |