Several area towns will be participating in a household hazardous waste collection being held this weekend in Brookfield.  Residents in Bethel, Brookfield, Danbury, New Fairfield, Newtown and Ridgefield can drop off items on Saturday at Brookfield High School.  Residents of other towns in the Housatonic Resources Recovery Authority region, Bridgewater, Kent, New Milford, Redding or Sherman, can pre-register for the collection day, which runs from 9am to 2pm.  A complete list of items that will be accepted on Saturday can be found on the HRRA website.