2010-03-08_REPORT - C1996083 - Laserfiche WebLink

Home Browse Search

Bowie Resources, LLC Bowie No. 2 Mine 2009 Annual Hydrology Report D32 -5 Terror Creek - Drainage System Elevation - 7640 Surface Water The D32 -5 Monitoring Point is located at Cottonwood Stomp. This drainage is measured just before it enters Terror Creek and below an old pond that now has a breeched dam. • Baseline Information Collection initiated on 6/9/98 and not yet considered complete. Point D32-5 has not been influenced by mining. Figure No. 98 Initiated 6/9/1998 6/9/1998 6/9/1998 6/9/1998 Activated 1 Date 10/26/2009 8/27/2009 7/8/2009 5/14/2009 Summary Information Baseline Operation 120 Chloride mg /L <MDL UNITS Min Ave Max Min Ave Max Flow GPM 0 9 75 3 0 0 16.4 8.6 FieldComment 409 Dry Dry h su 6.9 7.9 8.3 1 312 7.9 7.8 Conductivity umhos /cm 220 338 430 113 169 435 380 320 Temperature Celsius 12.2 17.5 22.1 140 22.1 21.1 The D32 -5 Monitoring Point is located at Cottonwood Stomp. This drainage is measured just before it enters Terror Creek and below an old pond that now has a breeched dam. • Baseline Information Collection initiated on 6/9/98 and not yet considered complete. Point D32-5 has not been influenced by mining. Figure No. 98 11ef _ N =UNITS Bicarbonate mg /L 90 166 443 151 120 Chloride mg /L <MDL 68 333 3 2 Conductivity umhos /cm 257 409 1128 352 312 Hardness mg /L 113 169 435 140 113 Nitrate - Nitrite mg /L <MDL 0.64 1.89 0.08 <MDL Oil and Grease mg /L <MDL 1.25 1.25 <MDL <MDL pH su 6.9 7.8 8.5 8.4 8.5 Phosphate mg /L <MDL 0.043 0.090 0.09 0.06 • ResidueFilterable -TDS ResidueNonFilterable -TSS mg /L mg /L 95.5 10 298.9 76 883.0 428 230 39 210 25 SAR <MDL 1.5 6.1 0.98 1.05 Sulfate mg /L 30 54.9 221.4 32 34 Aluminum mg /L <MDL 1.441 2.96 1.61 1.04 Arsenic mg /L <MDL 0.027 0.152 0.0008 <MDL Cadmium mg /L <MDL 0.010 0.040 <MDL <MDL Calcium m /L 33.1 42.7 75.6 42.7 34.6 Copper mg /L <MDL 0.02 0.05 <MDL 0.01 Iron (Total) mg /L 0.07 • 1.14 4.49 1.59 0.97 Lead mg /L <MDL 0.023 0.07 0.0012 0.0006 Magnesium mg /L 6.40 15.11 59.80 8.1 6.4 Manganese (Total) mg /L <MDL 0.071 0.270 0.041 0.016 Mercury m /L <MDL 0.00010 0.00026 <MDL <MDL Molyebdenum mg /L <MDL 0.01 0.02 <MDL <MDL Selenium mg /L <MDL 0.011 0.040 0.0002 0.0002 Sodium mg /L 22.21 55.6 291.2 26.5 25.3 Zinc mg /L I <MDLI 0.029 0.090 <MDL 0.01 The area of concem for monitoring point D32 -5 has not been affected by the mining operation. Therefore, all recorded monitoring events are considered Baseline. The D32 -5 Monitoring Point is located at Cottonwood Stomp. This drainage is measured just before it enters Terror Creek and below an old pond that now has a breeched dam. • Baseline Information Collection initiated on 6/9/98 and not yet considered complete. Point D32-5 has not been influenced by mining. Figure No. 98