KPIX CBS 5 Eyewitness News At 6PM August 11, 2010
>> reporter: with flame retardants, detergent come bounds and antibacterial elements and detergent compounds. >> the presence of something doesn't indicate a public health hazard. >> reporter: but san francisco operates under a law which says, lack of full scientific certainty about cause and effect shall not be viewed as sufficient reason for the city to posten to cost effective measures to protect the health of the citizens. the science doesn't have to prove the chemical is dangerous it just has to slow it could be dangerous. studies going back to the 1990s raised health conclusion...