April 2016








San Francisco Mandates Solar Roofs

City aims to be powered by 100 percent renewables by 2025. The San Francisco Board of Supervisors  has unanimously passed the Better Roofs regulation to…



The New OSHA Silica Rules

The new OSHA Silica rule covers engineering controls, protective clothing, medical surveillance and other issues. OSHA presents the rule as two standards – one for…