Pity about the dead miners (tags)
Upper Big Branch Miners get Don Blankenship’s prayers. And his criminal neglect of safety measures at the mine. The miners have to sacrifice their lives for their livelihood.
HOW HEALTHY IS YOUR CHILD'S SCHOOL? (tags)
CALIFORNIA SAFE SCHOOLS EFFORTS HIGHLIGHTED BY NATIONAL SAFETY COUNCIL WWW.CALISAFE.ORG
Ventilation no help against second hand smoke (tags)
Toronto pub's ventilation system exchanged the air 10 times an hour, but to reduce the second-hand smoke dangers to acceptable levels would require at least 34,000 air changes per hour.
HOW SAFE IS YOUR CHILDS SCHOOL (tags)
Children's environmental health