Bell Laboratories has received U.S. Environmental Protection Agency (EPA) registration for its Contrac California Bromethalin Blox. As the name suggests, the product features the single-feed acute active ingredient bromethalin. The 28-gram, all-weather blocks are registered only for use in the state of California, and specifically meets all state regulatory requirements for structural rodenticide use. Available for shipment now, EPA Registration No. 12455-151, the product is packaged in an 18-pound pail with a blue lid for easy differentiation.