Every school has a list of safety rules for art teachers. What was allowed when you were in elementary school may not be appropriate now. Be sure to locate and ask for a list of approved materials from your principal or school board. Remember to keep it green. Think about environment and recyling when making art projects. Know your students and their needs. Please read the articles below.
Safety in the Classroom
Cal Osha
Important Information for Art Teachers and Safety in the Classroom
http://www.oehha.ca.gov/education/art/
Davis Art Publishers
Safety in the Classroom Links
http://www.davisart.com/Portal/TeacherResources/PDFs/SafetyWeb.PDF