Wal-Mart Subpoenaed by Federal Grand Jury

Wal-Mart Stores Inc. has received a subpoena from a U.S. grand jury in Los Angeles probing the company's handling of hazardous waste, according to a filing with the Securities and Exchange Commission.

Wal-Mart said the California Department of Toxic Substances Control requested similar information about two distribution facilities.

Authorities in Nevada also are looking into the matter, the retailer said.

In addition Wal-Mart said district attorneys in Orange and Solano counties claimed that the company improperly disposed of pesticides in separate incidents. Wal-Mart is negotiating a resolution of both matters, it said.