SPECIFICATION NO.1197S Addendum No.4 Attachment D Appendix L- Ground Water Quality Data and Revised Construction Groundwater Discharge Plan Page 1 of 2 Specification No. 1197S Addendum No. 4
ATTACHMENT D TABLE OF CONTENTS Groundwater Quality Data: 2013 Data 2004 Data Revised Construction Groundwater Discharge Plan Plan 1 of 2 Page 2 of 2 Specification No. 1197S Addendum No. 4
Analytical Results Lab ID: Sample ID: Company: Profile: Collect Date: Collected By: Received Date: E131223033 ENGINEERING Parameter Result Units Limit Analyzed By Method GENERAL MINERAL Dissolved Oxygen 6.4 mg/l 2 12/23/13 SW DO, SM 4500-O G, Electrometric Chloride 430 mg/l 5.0 01/02/14 CG Anions, EPA 300.0 Sulfate 270 mg/l 5.0 01/02/14 CG Anions, EPA 300.0 Ammonia as N <3.0 mg/l 3.0 12/23/13 LP Ammonia, EPA 350.1 Nitrite as N <0.1 mg/l 0.1 12/23/13 LP NO2 NO3 NOX, EPA 353.2 NOX 0.96 mg/l 0.2 12/23/13 LP NO2 NO3 NOX, EPA 353.2 Nitrate as N 0.86 mg/l 0.2 12/23/13 LP NO2 NO3 NOX, EPA 353.2 Nitrate (NO3) 3.8 mg/l 0.90 12/23/13 LP NO2 NO3 NOX, EPA 353.2 Total Inorganic Nitrogen <3 mg/l 3 12/23/13 LP NO2 NO3 NOX, EPA 353.2 Total Phosphorus 0.26 mg/l 0.2 01/02/14 MS TP, SM 4500P PHYSICAL PARMS Color - Apparent 50 units 2.5 12/24/13 SW Color, SM 2120B Total Suspend Solids 100 mg/l 3.0 12/23/13 KL TSS, SM 2540D EC - Specific Conductance 2450 umhos/cm 1 12/23/13 KL Conductivity, SM 2510B ph, Laboratory 7.9 ph unit 1 12/23/13 KL ph (Lab), SM 4500H-B Alkalinity, Total as CaCO3 310 mg/l 3 12/23/13 KL Alk Spec-L, SM 2320B Hydroxide (OH) <3 mg/l 3 12/23/13 KL Alk Spec-L, SM 2320B Carbonate (CO3) <3 mg/l 3 12/23/13 KL Alk Spec-L, SM 2320B Bicarbonate (HCO3) 380 mg/l 3 12/23/13 KL Alk Spec-L, SM 2320B Turbidity, Laboratory 30 NTU 0.1 12/24/13 SW Turb, SM 2130B Total Dissolved Solids 1400 mg/l 40 12/26/13 MS TDS, SM 2540C Total Organic Carbon (TOC) 3.4 mg/l 0.2 12/27/13 KL TOC, SM 5310C METALS Aluminum 980 ug/l 4.0 12/30/13 CG ICP-MS Metals, EPA 200.8 Suzanne Watson Monday, January 20, 2014 2:44:10 PM Page 1 of 3
Analytical Results Lab ID: Sample ID: Company: Profile: Collect Date: Collected By: Received Date: E131223033 ENGINEERING Parameter Result Units Limit Analyzed By Method Antimony <0.50 ug/l 0.50 12/30/13 CG ICP-MS Metals, EPA 200.8 Mercury <0.2 ug/l 0.2 12/30/13 CG Mercury, EPA 245.1 Arsenic 13 ug/l 2.0 12/30/13 CG ICP-MS Metals, EPA 200.8 Barium 140 ug/l 0.060 12/30/13 CG ICP-MS Metals, EPA 200.8 Beryllium <0.50 ug/l 0.50 12/30/13 CG ICP-MS Metals, EPA 200.8 Cadmium 0.28 ug/l 0.030 12/30/13 CG ICP-MS Metals, EPA 200.8 Chromium (Total) 1.7 ug/l 0.50 12/30/13 CG ICP-MS Metals, EPA 200.8 Copper 4.9 ug/l 0.40 12/30/13 CG ICP-MS Metals, EPA 200.8 Lead 0.74 ug/l 0.020 12/30/13 CG ICP-MS Metals, EPA 200.8 Manganese 720 ug/l 1.0 12/30/13 CG ICP-MS Metals, EPA 200.8 Nickel 3.8 ug/l 0.20 12/30/13 CG ICP-MS Metals, EPA 200.8 Selenium <2.0 ug/l 2.0 12/30/13 CG ICP-MS Metals, EPA 200.8 Silver <0.20 ug/l 0.20 12/30/13 CG ICP-MS Metals, EPA 200.8 Thallium <0.30 ug/l 0.30 12/30/13 CG ICP-MS Metals, EPA 200.8 Zinc 17 ug/l 1.0 12/30/13 CG ICP-MS Metals, EPA 200.8 Iron 86 ug/l 5.0 12/31/13 NS ICP Metals, EPA 200.7 Boron 1450 ug/l 16 12/31/13 NS ICP Metals, EPA 200.7 Calcium 110 mg/l 0.20 12/31/13 NS ICP Metals, EPA 200.7 Hardness 420 mg/l 12/31/13 NS ICP Metals, EPA 200.7 Potassium <2.0 mg/l 2.0 12/31/13 NS ICP Metals, EPA 200.7 Magnesium 34 mg/l 0.30 12/31/13 NS ICP Metals, EPA 200.7 Silica 40 mg/l 0.20 12/31/13 NS ICP Metals, EPA 200.7 Sodium 450 mg/l 5.0 12/31/13 NS ICP Metals, EPA 200.7 BIOLOGICALS Total Coliform 100 MPN/100mL 12/23/13 SW MMO-HPC, SM 9223 & SM 9215 Suzanne Watson Monday, January 20, 2014 2:44:11 PM Page 2 of 3
Analytical Results Lab ID: Sample ID: Company: Profile: Collect Date: Collected By: Received Date: E131223033 ENGINEERING Parameter Result Units Limit Analyzed By Method E. coli <1 MPN/100mL 12/23/13 SW MMO-HPC, SM 9223 & SM 9215 HPC Result >740 CFU/mL 12/23/13 SW MMO-HPC, SM 9223 & SM 9215 Suzanne Watson Monday, January 20, 2014 2:44:11 PM Page 3 of 3
TV DEWATERING BORE HOLE 1 TV DEWATERING BORE HOLE 2 TV DEWATERING BORE HOLE 3 TV DEWATERING BORE HOLE 4 05/24/2004 Qual Result Units Qual Result Units Qual Result Units Qual Result Units Alkalinity, Total as CaCO3 161.68 mg/l 532.738 mg/l 440.49 mg/l 257.593 mg/l Aluminum 160 ug/l 270 ug/l 250 ug/l 130 ug/l Ammonia as N < 0 mg/l < 0 mg/l < 0 mg/l < 0 mg/l Antimony < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Arsenic < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Barium 150 ug/l 99 ug/l 180 ug/l 57 ug/l Beryllium < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Bicarbonate (HCO3) 197.249 mg/l 649.941 mg/l 537.397 mg/l 314.264 mg/l Boron 0.14 mg/l mg/l 1.1 mg/l 0.54 mg/l Cadmium < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Calcium 97 mg/l mg/l 450 mg/l 160 mg/l Carbonate (CO3) < 0 mg/l < 0 mg/l < 0 mg/l < 0 mg/l Chloride 185.453 mg/l 1,578.913 mg/l 1,344.02 mg/l 484.368 mg/l Chromium (Total) < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Cobalt < 0 ug/l 32 ug/l 12 ug/l 10 ug/l Copper < 0 ug/l 15 ug/l < 0 ug/l < 0 ug/l EC - Specific Conductance 1,220 umhos/cm 7,372 umhos/cm 6,010 umhos/cm 2,694 umhos/cm Fluoride 0.169 mg/l 0.261 mg/l 0.179 mg/l 0.263 mg/l Hardness 440 mg/l mg/l 1,900 mg/l 620 mg/l Hydroxide (OH) < 0 mg/l < 0 mg/l < 0 mg/l < 0 mg/l Iron 130 ug/l 130 ug/l 600 ug/l 810 ug/l Lead < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Magnesium 46 mg/l mg/l 170 mg/l 54 mg/l Manganese 44 ug/l 4,000 ug/l 5,500 ug/l 2,000 ug/l Mercury < 0.131 ug/l < 0.3155 ug/l < 0.4373 ug/l < 0.1602 ug/l Molydbenum 10 ug/l 86 ug/l 49 ug/l 51 ug/l Nickel < 0 ug/l 24 ug/l 26 ug/l < 0 ug/l Nitrate as N 7.779 mg/l 7.636 mg/l 0.148 mg/l 2.952 mg/l Nitrite as N 0.017 mg/l 0.101 mg/l < 0.008 mg/l 0.03 mg/l Ortho Phosphate as P < 0 mg/l < 0 mg/l < 0 mg/l < 0 mg/l ph, Laboratory 6.92 units 6.98 units 6.93 units 6.92 units Potassium 5.6 mg/l mg/l 7.2 mg/l 5.1 mg/l Selenium < 0 ug/l 20 ug/l 14 ug/l 5 ug/l Silica 47 mg/l mg/l 38 mg/l 19 mg/l Silver < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l Sodium 100 mg/l mg/l 850 mg/l 420 mg/l Strontium 670 ug/l 100 ug/l 2,700 ug/l 920 ug/l Sulfate 101.086 mg/l 1,015.425 mg/l 701.575 mg/l 282.937 mg/l Thallium < 0 ug/l < 0 ug/l < 0 ug/l < 0 ug/l TKN - Total Kjeldahl Nitrogen < 0.0666 mg/l < 0.4437 mg/l < 0.2662 mg/l < 0.6434 mg/l Total Dissolved Solids 712 mg/l 4,948 mg/l 3,828 mg/l 1,658 mg/l Total Inorganic Nitrogen 7.796 mg/l 7.737 mg/l < 0.156 mg/l 2.982 mg/l Total Nitrogen 7.8626 mg/l 8.1807 mg/l 0.4222 mg/l 3.6254 mg/l
Total Organic Carbon (TOC) 2.9542 mg/l 10.8687 mg/l 7.1347 mg/l 13.3573 mg/l Total Phosphorus 0.1067 mg/l < 0.0706 mg/l 0.1308 mg/l < 0.0495 mg/l Zinc < 0 ug/l 10 ug/l < 0 ug/l < 0 ug/l
CONSTRUCTION DEWATERING REQUIREMENTS FOR GROUNDWATER: THE SLUDGE DRYING BEDS ARE THE ONLY ACCEPTABLE AREA FOR DISCHARGE OF CONSTRUCTION RELATED TO GROUNDWATER 1. CONTRACTOR MAY STORE GROUNDWATER IN THE SLUDGE DRYING BED. 2. CONTRACTOR TO INSTALL AN ISOLATION PLUG VALVE IN THE EXISTING PIPE MANIFOLD THAT COLLECTS WATER FROM PERFORATED PIPE. SEE PAGE 2 OF 2 OF THIS APPENDIX. 3. PERCOLATION OF COLLECTED GROUNDWATER IS ACCEPTABLE. DISCHARGE FROM SLUDGE DRYING BEDS HEADWORKS SLUDGE DRYING BEDS: BED BOTTOM ELEVATION=1019 FT TOTAL AREA OF ONE (1) DRYING BED=10,000 (SF) VOLUME CAPACITY OF ONE (1) DRYING BED = 50,000 CU.FT. TREATMENT FACILITY AND PIPING PROVIDED BY THE CONTRACTOR FILTER BACKWASH PUMP STATION, TOP OF WETWELL ELEV. 1022 FT 1. REFER TO SECTION 02222 FOR GROUNDWATER TREATMENT SYSTEM REQUIREMENTS. 2. CONTRACTOR SHALL PROVIDE ALL CONVEYANCES NEEDED TO DISCHARGE CONSTRUCTION GROUNDWATER INTO SLUDGE DRYING BEDS. 3. CONTRACTOR SHALL PROVIDE PROTECTION FOR THE ABOVE GRADE TREATMENT PIPING CROSS ROAD WAYS. 4. THE CONTRACTOR SHALL SAMPLE AND TEST GROUNDWATER FOR MANGANESE, TOTAL DISSOLVED SOLIDS (TDS), IRON, AND CHLORIDE. 5. IF WATER QUALITY CRITERIA PROVIDED IN SECTION 02222 ARE EXCEEDED, THE CONTRACTOR SHALL PROVIDE APPROPRIATE TREATMENT TO REDUCE CONTAMINANTS BEFORE DISCHARGING INTO FILTER BACKWASH PUMP STATION WETWELL. DISCHARGES TO FILTER BACKWASH PUMP STATION EVENTUALLY PUMPED TO THE HEADWORKS CHANNEL. FILTER BACKWASH BASINS APPENDIX L Construction Groundwater Discharge Plan (1 OF 2)-Revised per Addendum No.4. No Revision to Plan 2 of 2