Utah State University Extension Service will offer a class "Toxins in Your Home - How to Protect Yourself and Your Family, and Your Future Water Supply" on Tuesday, April 16. Extension home economist Marilyn King will present a one-hour workshop, noon to 1 p.m., in the Salt Lake County Government Center, South Building, Room S-1007, 2001 S. State St. The class is free. Participants are welcome to bring their lunch and enjoy the class as they eat.