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`COLORA00 LEGACY LAN. SCHWARTZWALDERMINE <br /> D 1231,MONTHL <br /> Surface Water Quality Standards(CDPHE,2018) CDPHE Stream Standards,Segment17b,Ralston Creek'(CDPHE,2019) <br /> Human Health Aquatic i <br /> e Aquatic Life No. Units (Total Concentrations) (Dissolved Concentrations) (Dissolved Concentrations) Tylele A�1�(s) D election itSam Suite <br /> Name <br /> Domestic Wa[er Acute I �'- <br /> Agriculture Acute l-Day 0- Chronic 30-Day '•"` - -- .,; <br /> Water Supply y g <br /> +Fish Da Avers e <br /> Antimony 7440-36-0 mg/L _ - Grab M200.S ICP- 0.0004 Sample Suite <br /> 0.006 - 5.6 MS #2 <br /> Arsenic 7440-38-2 mg/L T Grab M200.81CP- Sample Suite <br /> 0.00002 0.1 0.02 0.3a 0.15 MS 0.0002 112 <br /> Boron 7440-42-8 mg/L - 0.75 . Grab Sample Suite <br /> M200.71CP 0.02 #2 <br /> Chromium 111 7440-47-3 m L 0.05 0.1 - -0.85 0.11€i Grab M200.71CP 0.01 Sample Suite <br /> Chromium Vl 18540-29-9 m L 0.05 0.1 too n ol6 o.o11 - 0 Grab #2 <br /> Copper 7440-50-6 mg/L 0.021 Grab Sample Suite <br /> 1 0.2 1300 ':0,0213 -0.0136 M200.71CP 0.01 #2 <br /> -- .Cyanide(WAD) 57-12-5 mg/L 0.005 - Gab Sample Suite <br /> SM4500 0.03 #2 <br /> toride 16984-48-8 mg/L _ - - Grab Sample Suite <br /> SM4500 0.11 #2 <br /> Gross Alpha Particle Activity 12587-46-1 pCi/L _ - - Grab Sample Suite <br /> M900.0 2to4 #2 <br /> Gross Beta Particle Activity 12587-47-2 pCi/L _ _ - - Gab Sample Suite <br /> M900.0 2to4 #2 <br /> Molybdenum 7439-98-7 mg/L - Grab Sample Suite <br /> o.1 0.3 M200.71CP 0.02 #2 <br /> Nitrate+Nitrite Total N mg/L _ - - Gab Sample Suite <br /> t0 M353.2 0.02 #2 <br /> PH pH - 6.5-9.0 Gab Sample Suite <br /> N/A-Field Parameter #2 <br /> Phosphorus 7723-14-0 mg/L _ - Grab Sample Suite <br /> o.11 M365.1 0.01 #2 <br /> Phosphate 14265-44-2 mg/L - - Grab Sample Suite <br /> Calculaton #2 <br /> Radium 226+228 Ra-226+Ra-228 pCi/L - - Gab Calculation 2 Sample Suite <br /> #2 <br /> Silver 7440-22-4 mg/L Grab M200.81CP- Sample Suite <br /> 0.0005 MS 0.0001 #2 <br /> D516-02/- Sample Suite <br /> Sulfate 14808-79-8 mg/L - 250 Grab 07/-11 1 #2 <br /> 0.25 Turbidimetric <br /> Total Dissolved Solids TDS mg/L _ _ - - Gab Sample Suite <br /> SM4500 20 #2 <br /> Total Suspended Solids - mg/L - - Gab Sample Suite <br /> SM4500 5 #2 <br /> NOVEMBER 2020 33 AMENDMENTS <br />