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COLORADO LEGACY LAND
<br /> s.. piing Suite
<br /> Included in Included in Current Water Quality Standard,Segment 17b,
<br /> Units Current Surface Water Ralston Creek(CDPHE 2018)
<br /> Groundwater Suite(
<br /> Sam le s)
<br /> Analyte Sample Suite? p Acute Chronic Recommendation
<br /> General Properties and Field Parameters
<br /> Total Dissolved Solids mg/L Yes,'fable 2 Yes,Table 1 lione none Retain for quarterly analysis.
<br /> Total Suspended Solids mg/L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Field Parameter-Temperature °C Yes,Table 2 Yes,Table 1 Retain for quarterly analysis.
<br /> Field Parameter-Conductivity PS/cm Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Field Parameter-pH un sles Yes,Table 2 Yes,Table 1 6.5-9.0 Retain for quarterly analysis.
<br /> Field Parameter-ORP mV No No none none Include in reporting. Need data to understand if environment is oxidizing or reducing
<br /> Field Parameter-Dissolved Oxygen m L No No none none Include in reporting. Need data to understand if environment is oxidizing or reducing
<br /> Major Ions
<br /> Total Alkalinity(as CaCo3) µg/L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Bicarbonate(as HCO3 ) µg/L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Calcium µ L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Chloride µ L Yes,Table 2 Yes,Table 1 250,000 Retain for quarterly analysis.
<br /> Fluoride µ L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Magnesium µ L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Potassium L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Sodium µg/L Yes,Table 2 Yes,Table 1 none none Retain for quarterly analysis.
<br /> Sulfate µg/L Yes,Table 2 Yes,Table 1 250 Retain for quarterly analysis.
<br /> Nutrients
<br /> Nitrate+Nitrite µg/L Yes,Table 2 Yes,Table 1 Nitrate=10,000 Nitrite=50 Remove. Analyte is reported monthly for surface water under the NOV/CDO(CDPHE,2011)Sample Suite.
<br /> Phosphate m L No Yes,Table 1 none none Remove. Analyte is reported monthly for surface water under the NOV CDO CDPHE,2011 Sample Suite.
<br /> Phosphorus m L Yes,Table 2 Yes,Table 1 11 m L Remove. Analyte is reported monthly for surface water under the NOV/CDC) CDPHE,2011 Sample Suite.
<br /> Metals Total
<br /> Aluminum µg/L Yes,Table 2 Yes,Table 1 Remove.Analyte is not a water quality parameter for Ralston Creek,Segment 17b.
<br /> Antimony µg/L Yes,Table 2 Yes,Table 1 none none Remove.Analyte is reported monthly for surface water under the NOV/CDO(CDPHE,2011)Sample Suite.
<br /> Arsenic µg/L Yes,Table 2 Yes,Table3 and Code 0.02 --- Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016).
<br /> Boron µ L Yes,Table 2 No --- 0.75 Remove. Analyte is ND in 100%of surface water samples analytes in EPP Whetstone,2016).
<br /> Chromium µg/L Yes,Table 2 Yes,Table 1 Chromium 11I-50 -- Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016)and analyte is reported monthly for surface
<br /> water under the NOV/CDC)(CDPHE,2011)Sample Suite.
<br /> Copper L Yes,Table 2 Yes,Table 1 21.3 13.6 Remove.Analyte is reported monthly for surface water under the NOV CDO CDPHE,2011 Sample Suite.
<br /> Iron µg/L Yes,Table 2 Yes,Table 1 -- 1,000 Retain for quarterly analysis.
<br /> Lead µg/L Yes,Table 2 Yes,Table 1 50 -- Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016).
<br /> Manganese µg/L Yes,Table 2 Yes,Table 1 3,513.36 1,941.14 Retain for quarterly analysis.
<br /> Mercury µg/L Yes,Table 2 Yes,Table 1 -- 0.01 Retain for quarterly analysis.
<br /> Molybdenum µ L No Yes,Table 1 none 150 Retain for quarterly analysis.
<br /> Silver µg/L Yes,Table 2 Yes,Table 1 4.7 0.17 Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016)and analyte is reported monthly for surface
<br /> water under the NOV/CDO(CDPHE,2011)Sample Suite.
<br /> Thallium µg/L Yes,Table 2 Yes,Table 1 none none Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016)and analyte is reported monthly for surface
<br /> water under the NOV/CDO(CDPHE,2011)Sample Suite.
<br /> Uranium µg/L No Yes,Code 1 and Code 3 4,115.95 2,570.93 Retain for quarterly analysis.
<br /> USEPA MCL=30 USEPA MCL=30
<br /> Zinc µg/L Yes,Table 2 Yes,Table 1 249.51 188.98 Remove.Analyte is reported monthly for surface water under the NOV/CDO(CDPHE,2011)Sample Suite.
<br /> Dissolved Metals
<br /> Aluminum µ L Yes,Table 2 Yes,Table 1 -- -- Remove.Analyte is not a water quality parameter for Ralston Creek,Segment 17b.
<br /> Antimony µ L Yes,Table 2 Yes,Table 1 none none Remove.Analyte is reported monthly for surface water under the NOV CDO CDPHE,2011 Sample Suite.
<br /> Arsenic µg/L Yes,Table 2 Yes,Code 3 0.02 --- Remove. Analyte is ND in 100%of surface water samples analytes in EPP(Whetstone,2016).
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