Avon Heights Mushrooms is recalling certain packages of fresh packaged spinach because they may be contaminated with E. coli.

During routine surveillance sampling, one package of Better Brand 10 oz. spinach tested positive for E. coli O157:H7. The company said it is recalling all packages produced on the affected day.

No illnesses have been associated with the recalled spinach.

The recalled brands include Krisp Pak 10 oz. bags, Better Brand 10 oz.bags, and Avon Heights 4-2.5 1b. bags with “best if used by” date of DEC16 and codes DP 340 and T691.

Consumers should discard the recalled spinach packages and write to the company address on the package for a refund. Refunds will be given only for the recalled spinach packages with the above specified codes.