But theres still a lot of work happening on and off campus. Meanwhile, the person responsible for the contamination remains a mystery. karen castro for the third day, classes have been canceled at johnson junior high school. But a constant flow of foot traffic is coming through the campus. Some parents are picking up items that were confiscated on wednesday, when a mercury contamination was first reported. brook woods concerned parent they took like everything, the backpack with shoes and socks, their lunch pail so were hoping to get it back. karen castro other families are bringing in personal belongings to be scree janet hill concerned parent the more you read about things thats what made me come up today and just have you know, everything tested and just make sure everything is ok. karen castro since thursday, at least 100 parents have brought items to the school for inspection. According to the epa only a handful had to be further evaluated. Meanwhile off campus, at least 75 homes