2016-09-16_PERMIT FILE - M2016010

• Permit No: M2016010
• IBM Index Class Name: Permit File
• Doc Date: 9/16/2016
• Doc Name Note: Response #5
• Doc Name: Adequacy Review Response #5
• From: Transit Mix Concrete Co.
• To: DRMS
• Media Type: D
• Archive: No

Transit Mix Concrete Co.
Table G-2
LTC-1 Sample Results Compared to Segment 14d Standards
Upper Arkansas River Water Quality Standards Comparison
Reporting 6/16/2015 8/26/2015 11/16/2015 4/12/2016 6/22/2016 Segment 14d
Analyte* Limit Unit Results Results Results Results Results Standards'*
Arsenic(As) T-Rec. 5 ug/L ND ND ND ND ND 100
Beryllium (Be)T-Rec. 1 ug/L ND NO ND ND ND 100
Bicarbonate 5 mg/L as CaCO3 57 77 91 66 88 N/A
Boron(B)T-Rec. 0.1 mg/L ND ND ND ND ND 0.75
Cadmium (Cd)T-Rec. 5 ug/L ND ND ND ND ND 10
Calcium(Ca)T-Rec. 0.2 mg/L 16 21 25 18 20 N/A
Carbonate 5 mg/L as CaCO3 ND ND ND ND NO N/A
Chloride 3 mg/L ND ND ND ND ND N/A
Chromium (Cr)T-Rec. 10 ug/L ND ND ND ND ND N/A
Chromium (Cr), hexavalent 40 ug/L ND NO ND ND ND 100
Chromium (Cr), trivalent 20 ug/L ND ND ND ND ND 100
Copper(Cu)T-Rec. 15 ug/L ND ND ND ND ND 200
Cyanide, Free 0.01 mg/L ND 0.011 ND ND ND 0.2
Dissolved Oxygen, Field N/A mg/L 9.54 9.62 14.2 10.71 7.72 7
E. Coli 1 mpn/100ml 403 4 4 <1 29 126/100ml
Hydroxide 5 mg/L as CaCO3 ND ND ND ND ND N/A
Lead(Pb) T-Rec. 9 ug/L ND ND ND ND ND 100
Magnesium (Mg) T-Rec. 0.2 mg/L 6.4 7.7 9.1 6.3 7.4 N/A
Molybdenum(Mo) T-Rec. 20 ug/L ND ND ND ND ND 160
Nickel(Ni) T-Rec. 40 ug/L ND ND ND ND ND 200
Nitrate as N(NO3-N) 0.5 mg/L ND ND ND ND ND 100
Nitrite as N(NO2-N) 0.5 mg/L ND ND ND ND NO 10
pH, Field N/A SU 7.86 7.69 5.99 6.44 8.21 6.5-9.0
pH, Lab 0.1 S U 8.00 8.18 8.07 7.95 8.11 6.5-9.0
Phosphorus, Total 50 ug/L 110 ND ND ND NO 110
Selenium (Se) T-Rec. 15 ug/L ND ND ND ND ND 20
Sodium (Na) T-Rec. 5 mg/L 5.9 8.3 11 10 11 N/A
Solids-Total Dissolved(TDS) 20 mg/L 120 130 150 110 120 N/A
Solids-Total Suspended
(TSS) 4 mg/L 39 ND 4 ND ND N/A
Specific Conductance, Field N/A µmhos/cm 150 200 239 178 202 N/A
Specific Conductance, Lab 2 µmhos/cm 180 190 1 240 150 200 N/A
Sulfate (SO4) 5 mg/L 15 18 24 19 18 N/A
April-Oct-23.9
Temperature, Field N/A C 11.27 16.51 4.95 5.01 17.43 Nov-March-13.0
Total Alkalinity 5 mg/L as CaCO3 57 77 91 66 88 N/A
Zinc(Zn) T-Rec. 1 20 ug/L ND ND NO ND ND 2000
*All analytes except E.Coli were analyzed by TestAmerica Laboratory. E. Coli was analyzed by Colorado Analytical Laboratory.
**Standards from the Colorado Department of Public Health and Environment Regulation 32 Numeric Standards Table:
hftps://www.colorado.gov/pacific/sitestdefault/files/Regulation-32-NumericStanda rds-Ta bles,pdf
Hitch Rack Ranch Quarry Permit Application M-2016-010
September 15, 2016 G-9