Reviewing standards and practices to assure compliance with laws and regulations in the fields of safety, occupational health, fire protection, industrial hygiene, environmental remediation, ISO certification by means of risk and hazard assessments, indoor air quality reviews, commercial and residential building inspections performed after construction is completed, including lead, radon, and asbestos assessments, building code and heating, ventilating, and air conditioning (HVAC) review, environmental engineering design services in the field of air, water and waste such as baghouse design, water treatment processes design, oil secondary containment design