Laserfiche WebLink
COLORADO DEPARTMENT OF HEALTH, Water Qualiq~ Control Division <br />Rationale -Page 24, Permit No. CO-0043648 <br />Table VI-6 <br />Monitoring jor: <br />Points OOfA (no stormwater) and OOlB (including stormwater) - Areqtta Gultlt at Station AGI.S; <br />Point 004A - Springs forming Aregrta Gulch wrthin Arequa Gulch Rock Storage Area; <br />Point OOSA - Non-Spring Seepage Jrom Arequa Gulch Rock Storage Area (does not include s[ormwater), <br />At Discharge /nto Diversion Ditch Surrounding the Valley Leach Facility; <br />Point 006A - Non-Spring Seepage from Areqrta Gulch Rock Stomge Area, Mixed R'ith Storrrtwater, At <br />Discharge From Diversion Ditch to Arequa Gulch Below the Valley Leach Facility <br />Point 007A - Discharges From the Valley Leach Facility That Qualify jor Annual Precipitation or Storm <br />Aluminum, PD, ug/1 (Ibs/day) Monthly Composite <br />Arsenic, PD, ug/! (tbs/day) Monthly Composite <br />Cadmium, PD, ug/l (16s/day) Weekly Composite <br />Chromium, lll, PD, ug/l (lbs/day) Monthly Composite <br />Chromium, V/, Diss, ug/[ (Ibs/day) Monthly Composite <br />Copper, PD, ug/1 (/bs/day) Weekly Composite <br />Iron, TR, ug/l (lbs/day) Monthly Composite <br />Lead, PD, ug/l (Ibs/day) Monthly Composite <br />Manganese, TR, ug/l (!bs/day) Weekly Composite <br />Mercury, Total, ug/[ (lbs/day) Weekly Composite <br />Nickel, PD, ug/l (!bs/day) Monthly Composite <br />Silver, PD, ug/! (Ibs/dayJ Weekly Composite <br />Zinc. PD, ugll (16slday) Weekly Composite <br />Monitonnn¢ Which Applies Only To Paint 007A <br />Whole EjJluen[ Toxicity, Chronic Once/2 Weeks Composite <br />Note: Samples far discharge point OOIA and OOSA may not be collected until at least 24 hours have passed since the last <br />rain event or since snowmelt in any area tributary to this point has ceased. Samples for discharge point 001 B <br />annd 006A may be collected only after rain events or snowmelt conditions which produce visible runo~ in the <br />diversion chantrel hate lasted for a period of at least 5 minutes, and must be collected within 10 minutes after such <br />precipitation events have ceased. <br />Table Vl-7 <br />A4anitorirrg jor: <br />Point 002A -Pregnant Sa[rttion Storage Area Leak Collection and Recovery System (PSSA-LCXS); and <br />Poim 003A -Ore Storage Area Leak Defection System (OSA-LDS) <br />Effluent Parameter hfeasurement Frequency Sample Type <br />Leakage Pumping Rate, gpd (gallons per day) <br />Leakage Pumping Rnte, gpad (gallons per <br />wened acre per dayJ <br />DeptF: ojSolution Over Top Liner, ft <br />Calculated Tlreoreticnl Leakage Rate, gpad <br />Leakage Action Code (,cee codes 1-Q below) <br />Continuous Recorder <br />Conrinuous Recorder <br />Daily Instantaneous <br />Daily Instantaneous <br />Dail}~ lnsrantaneous <br />cont'd <br />