On Wednesday, Cargill Meat Solutions Corporation voluntarily recalled about 845,000 pounds of frozen ground-beef patties sold to stores and restaurants across Colorado and the country.

The Colorado Department of Public Health and Environment's Consumer Protection Division announced the recall involving frozen ground beef patties produced at Cargill's Butler, Wis. Location between Aug. 9 and Aug. 17. It may be contaminated with E. coli O157:H7.

Each label has establishment number "Est. 924A" inside the USDA mark of inspection. More identifying information is follows below:

- 6-pound boxes of "American Chef's Selection Angus Beef Patties 18-1/3 Pound Patties." Each package bears a case code of "7703100" and various package codes of Best If Used By dates of "02/05/08," "02/06/08," "02/12/08," and "02/13/08."

- 20-pound boxes of "Grille Works Seasoned Sirloin Steak Beef Patties." Each package bears a case code of "7700296" and a package code "packed/chilled by 08/15/07."

- 20-pound boxes of "TNT Thick 'n' Tender Beef Patties with Seasoning." Each package bears a case code of "7703003" or "7703008" and a package code "packed/chilled by 08/15/07."

- 10-pound boxes of "TNT Thick 'n' Tender Beef Patties with Seasoning." Each package bears a case code of "7703092" and a package code "packed/chilled by 08/15/07."

- 20-pound boxes of "TNT Thick 'n' Tender Black Angus Beef Patties with Seasoning." Each package bears a case code of "7703132" or "7703133" and a package code "packed/chilled by 08/15/07."

- 10-pound boxes of "TNT Thick 'n' Tender Black Angus Beef Patties with Seasoning." Each package bears a case code of "7703139" and a package code "packed/chilled by 08/15/07."

- 20-pound boxes of "TNT Thick 'n' Tender Black Angus Ground Beef Patties." Each package bears a case code of "7700922" and a package code "packed/chilled by 08/15/07."

- 32.4-pound boxes of "100% Black Angus Ground Beef Patties." Each package bears a case code of "7700932" and a package code "packed/chilled by 08/15/07."

- 36.0-pound boxes of "100% Black Angus Ground Beef Patties." Each package bears a case code of "7700983" and a package code "packed/chilled by 08/15/07."

The Colorado Department of Public Health and Environment says anyone who experienced intestinal illness after eating these products should contact a health care provider. All recalled meat should be thrown out or returned to where it was bought for a refund.

The problem was discovered through an investigation into three illnesses in Minnesota.

For additional questions, call Daniel Rifkin at the Colorado Department of Public Health and Environment at 303-692-3644 or Cargill at 866-567-7899.