Certifications

• State of California Contractors License No. 601262 A-Haz
• State of California Small Business Status
• California Department of Transportation (Caltrans) – Geotechnical laboratory, field equipment, & personnel
• American Concrete Institute (ACI) – Personnel certified for field testing of concrete
• American Association of State Highway and Transportation Officials (AASHTO) – Geotechnical laboratory, field equipment, & personnel
• Division of the State Architect (DSA) – Geotechnical laboratory approved for soil testing on school projects
• State of California Radioactive Materials License
• OSHA 40-hour hazardous materials training
• Qualified SWPPP Developer (QSD)
• Qualified SWPPP Practitioner (QSP)