Laserfiche WebLink
_��COLOPADO t-E64CV LAND <br /> $LHWARTZWALDER MINE <br /> -TERLY SU G Gas. R <br /> Surface Water Quality <br /> Surface Water Quality Standards(CDPHE,2018)A Standard,Segment 17b, <br /> Ralston Creek <br /> (CDPHE,2019)B Colorado <br /> CAS No. Units Human Health Aquatic Life s Aquatic Life Groundwater Sample Analytical Detection Sample Sui <br /> (Dissolved Quality Standards Type Method(s) Limit Name <br /> ' (Total Concentrations) (Dissolved Concentrations) - CDPHfi,2016 c - <br /> _ Concenn"ni"s ( ) <br /> Domestic Chronic <br /> Wate ' Agriculture Water+ Acute 30-Day Acute Chronic <br /> Supply Fish 1-Day Average <br /> General properties Ffeld Parame <br /> 400 mg/I or 1.25 times <br /> Total Dissolved Solids TDS mg/L - the background level. Grab SM2540C 20 Sample Suite#3 <br /> whichever is leas[ <br /> restrictive <br /> Total Sus ended Solids m L Grab SM2540D 5 Sample Suite#3 <br /> Field Parameter-Temperature Temp °C Sample Suite#3 <br /> Field Parameter-Condu-vity PS cm Sample Suite#3 <br /> --'k!ield Parameter-pH _pH unitless - - - 46.5-9.0 6.5-8.5 N/A-Field Parameter Sam le Suite#3 <br /> Ad Parameter-ORP my - - - Sam le Suite#3 <br /> AdParameter-Dissolved DD mg/L 36.0-7.0Sam le Suite#3 <br /> Total Alkalinity(as CaCO3) CASID10001 mg/L Grab SM2320B- 2 Sample Suite#3 <br /> Bicarbonate(as CaCO3) 3983-19-5 mg/L - Grab Titration Sample Suite#3 <br /> Calcium 7440-70-2 mg/L - Grab M200.71CP 0.1 Sample Suite#3 <br /> Chloride 7782-50-5 mg/L 0.25 250 250 Grab SM4500 0.5 Sample Suite#3 <br /> Fluoride 16984-48-8 mg/L - 4 Grab SM450OF 0.11 Sample Suite#3 <br /> Magnesium 7439-95-4 mg/L _ Grab M200.71CP 0.2 Sam le Suite#3 <br /> Potassium 7440-09-7 mg/L - Grab M200.71CP 0.2 Sam le Suite#3 <br /> Sodium 7440-23-5 mg/L _ - Grab M200.71CP 0.2 Sam le Suite#3 <br /> D516-02/-07/- <br /> Sulfate mg/L - 250 Grab 11 1 Sample Suite#3 <br /> 14808-79-8 0.25 250 Turbidimetric <br /> Boron 7440-42-8 m/L Sample Suite#3 <br /> Nitrate H Nitrate Total N m L 10 10 Grab M365.3 2.02 Sample Suite#5 <br /> Phos hate 14265-44-2 m L Grab Calculation Calculation Sam le Suite#3 <br /> Phosphorus <br /> 7723-14-0 m/L 0.11 Grab M365.1 0.01 Sam le Suite#3 <br /> Cyanide weak acid dissociable 57.12-5 m -L 0.005 0.2 Grab i SM4500 0.003 Sam le Suite#3 <br /> NOVEMBER2020 25 AMENDMENTS <br />