Federal officials on Thursday touted the record-breaking payouts for environmental cleanups that resulted from Tucson-based Asarco's emergence from bankruptcy. The payments to cleanup efforts totaled ...

TODAY: Lawyers with claims against Asarco say its parent corporation, Grupo Mexico, “cannibalized” the company and abandoned its obligations. The case exposes weaknesses in the Superfund law.

WASHINGTON — Tucson-based Asarco LLC won two more months to file its Chapter 11 plan on Friday, despite objections from a hedge fund that has sought to buy the copper-mining company. Judge Richard ...

Asarco LLC has reached settlements worth $27.8 million with people in three states who demanded more than $1 billion from the copper-mining company for personal-injury and property damages. Asarco has ...

OMAHA, Neb. (AP) — Asarco wants environmental regulators to examine whether Union Pacific contributed to lead pollution along railroad lines to make sure the $1.8 billion it has paid for cleanups is ...

A familiar name is back and involved in Point Ruston, seeking to recoup money owed over the site’s development. Asarco operated a smelter for nearly a century on land Point Ruston was later built upon ...

Asarco is expanding the demolition of structures at its former lead smelting plant in East Helena, after a bankruptcy court judge agreed this week to allow the financially strapped company to enter ...

HELENA - The copper mining, refining and smelting company Asarco LLC is asking a judge to prevent its parent company from obtaining a $40.5 million tax refund. In paperwork filed last week in a Texas ...

NEW YORK, Oct 14 (Reuters) - Indian mining company Sterlite Industries has said it will not be able to close a $2.6 billion deal to buy U.S. copper miner Asarco LLC out of bankruptcy, due to troubles ...

The union that represents some workers at a mine west of Marana has filed a formal complaint about labor practices. The complaint, provided to us by the union says ASARCO is now refusing to recognize ...

ARCO liable for 25% of future cleanup costs of Montana smelting site Site contaminating groundwater with arsenic (Reuters) - A federal court has ruled that oil and gas company Atlantic Richfield Co ...