Irwindale-based Ready Pac Food Inc. on Wednesday announced a voluntary recall of 702 cases of its baby spinach because of possible E. coli bacteria contamination.

The recalled six-ounce "Spinach Temptations" packages sold in California, Washington and Arizona have use-by dates of:

July 4 with Product Code I1707B, IR127121
July 8 with Product Code I2007B, IR130373

No illnesses related to the products have been reported.

The spinach could be contaminated by Escherichia coli O157:H7, according to ReadyPac, which is working with the Food and Drug Administration to investigate the problem detected in random testing.