2021-05-18_HYDROLOGY - C1981019

• Permit No: C1981019
• IBM Index Class Name: Hydrology
• Doc Date: 5/18/2021
• Doc Name: Correspondence
• From: Tri-State Generation and Transmission Association, Inc.
• To: DRMS
• Email Name: ZTT
• Email Name: JDM
• Media Type: D
• Archive: No

DocuSign Envelope ID: D07924E6-3D94-4398-A066-B683COBAB33E
One Government Gulch-PO Box 929
'V L Kellogg,ID 83837-0929
[phone]
www.svl.net
Stantec(CO)
3325 S.Timberline Road-#150 Work Order: XOK0424
Fort Collins,CO 80525 Reported: 11-Dec-20 12:10
Quality Control-BLANK Data
Method Analyte Units Result MDL MRL Batch ID Analyzed Notes
Metals(Dissolved)
EPA 200.7 Calcium mg/L <0.100 0.069 0.100 X048164 07-Dec-20
EPA 200.7 Magnesium mg/L <0.500 0.090 0.500 X048164 07-Dec-20
EPA 200.7 Manganese mg/L <0.0080 0.0034 0.0080 X048164 07-Dec-20
EPA 200.7 Sodium mg/L <0.50 0.12 0.50 X048164 07-Dec-20
EPA 200.8 Iron mg/L <0.020 0.012 0.020 X049041 08-Dec-20
Classical Chemistry Parameters
EPA 350.1 Ammonia as N mg/L <0.030 0.013 0.030 X048193 03-Dec-20
SM 2320 B Total Alkalinity mg/L as CaCO3 <1.0 1.0 X048185 25-Nov-20
SM 2320 B Bicarbonate mg/L as CaCO3 <1.0 1.0 X048185 25-Nov-20
SM 2320 B Carbonate mg/L as CaCO3 <1.0 1.0 X048185 25-Nov-20
SM 4500-P-E Phosphorus mg/L <0.0100 0.0034 0.0100 X050091 09-Dec-20
Dissolved Classical Chemistry Parameters
SM 5310B Dissolved Organic mg/L <1.00 0.49 1.00 X049020 30-Nov-20
Carbon
SM 5310B Dissolved Organic mg/L <1.00 0.49 1.00 X049020 30-Nov-20
Carbon
Anions by Ion Chromatography
EPA 300.0 Chloride mg/L <0.20 0.14 0.20 X048187 25-Nov-20
EPA 300.0 Nitrate as N mg/L <0.050 0.043 0.050 X048187 25-Nov-20
EPA 300.0 Sulfate as SO4 mg/L <0.30 0.18 0.30 X048187 25-Nov-20
Quality Control-LABORATORY CONTROL SAMPLE Data
LCS LCS % Acceptance
Method Analyte Units Result True Rec. Limits Batch ID Analyzed Notes
Metals(Dissolved)
EPA 200.7 Calcium mg/L 18.7 20.0 93.3 85-115 X048164 07-Dec-20
EPA 200.7 Magnesium mg/L 18.8 20.0 94.1 85-115 X048164 07-Dec-20
EPA 200.7 Manganese mg/L 0.970 1.00 97.0 85-115 X048164 07-Dec-20
EPA 200.7 Sodium mg/L 18.4 19.0 96.6 85-115 X048164 07-Dec-20
EPA 200.8 Iron mg/L 0.191 0.195 98.0 85-115 X049041 08-Dec-20
Classical Chemistry Parameters
EPA 350.1 Ammonia as N mg/L 0.977 1.00 97.7 90-110 X048193 03-Dec-20
SM 2320 B Total Alkalinity mg/L as CaCO3 98.2 99.3 98.9 94.3-106 X048185 25-Nov-20
SM 2320 B Total Alkalinity mg/L as CaCO3 99.5 99.3 100 94.3-106 X048185 25-Nov-20
SM 2320 B Bicarbonate mg/L as CaCO3 98.2 99.3 98.9 95.1-106 X048185 25-Nov-20
SM 2320 B Bicarbonate mg/L as CaCO3 99.5 99.3 100 95.1-106 X048185 25-Nov-20
SM 4500-P-E Phosphorus mg/L 0.760 0.748 102 90-110 X050091 09-Dec-20
Dissolved Classical Chemistry Parameters
SM 5310B Dissolved Organic mg/L 34.0 34.3 99.0 90-110 X049020 30-Nov-20
Carbon
SM 5310B Dissolved Organic mg/L 34.2 34.3 99.6 90-110 X049020 30-Nov-20
Carbon
Anions by Ion Chromatography
EPA 300.0 Chloride mg/L 3.12 3.00 104 90-110 X048187 25-Nov-20
EPA 300.0 Nitrate as N mg/L 2.13 2.00 107 90-110 X048187 25-Nov-20
EPA 300.0 Sulfate as SO4 mg/L 10.5 10.0 105 90-110 X048187 25-Nov-20
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