The spill happened on Feb. 18 when a tailings dam that holds acidic waste from a copper mine in the north of the country collapsed.

River ‘dies’ after massive acidic waste spill at Chinese-owned copper mine - 50 million litres of waste have flowed into the ...

Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that ...

Collier) of the “London Mining Journal” imparts a piece of valuable information respecting the beneficial effects of lime-water to cure persons affected with carbonic acid gas. He states that ...

If you haven't limed your soil in a few years add 5 to 10 pounds of limestone per 100 square feet. This will keep the soil's pH in the range of 6.0–6.5 which is optimum for tomato growth. Incorporate ...