Federal inspectors found that a food plant in Blakely, Georgia, -- responsible for a salmonella outbreak -- knowingly shipped contaminated peanut butter products and they reported of finding roaches, mold on walls and ceilings, and a leaking roof in the location.

The U.S. Food and Drug Administration and the Centers for Disease Control said yesterday they found that there were 12 previous instances between June 2007 and September 2008 where private laboratories tested the plant's products positive on salmonella. However, the company retested the products and finding no contamination, proceeded with their shipping, according to the report on the inspection.

The Blakely, Ga., plant is owned by Peanut Corp. of America. The company has recalled all the peanut products produced at the plant since Jan. 1,2007 according to the Associated Press. Its production includes peanut paste used by other companies for the elaboration of peanut butter products such as crackers, cookies, ice cream and dog biscuits.

So far, the CDC has linked eight deaths to the salmonella outbreak and about 500 people in 43 states have reportedly been infected.

For an updated list on Peanut Butter products recalls from the FDA click here.

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