Noticing Party: 
Legal & Safety Employer Research (LASER)
 
  Alleged Violators: 
Silica Resources, Inc
Granite Construction, Inc.
Calmat Company
 
  Chemicals: 
Arsenic (inorganic arsenic compounds)
Benzene
Chromium (hexavalent compounds)
Diesel engine exhaust
Ethylene dibromide
Ethylene dichloride (1,2-Dichloroethane)
Ethylene oxide
Lead
Lead and lead compounds
Methylmercury compounds
Nickel
Nickel compounds
Silica, crystalline (airborne particles of respirable size)
Toluene