1. control the level of underground water to sulfuric acid, so it must control the groundwater above the soil with high Lane, pioneer Wright address. The compound reacts with oxygen or Wright, pioneer is oxidized.
1. control groundwater levels To prevent sulfuric acid Provides control over underground clay layer that contains the prime Wright. For the Prime Wright substance reacts with oxygen or oxidized.
1. Control ground water level To prevent the sulfuric acid. The need to control the groundwater over soil Lane containing pyrite. To prevent of pyrite react with oxygen or oxidized.