Stratus provides comprehensive environmental consulting and project management services to major oil companies, independent retail gasoline retailers, and government agencies (cities, counties, State of California, water and sewer districts, etc.).Services Stratus provides include Phase I and Phase II environmental site assessment, Regulatory negotiations, UST removal, soil sampling, and closure permitting, Oversight of source removal via excavation, soil sampling, and dewatering, Remedial investigation and designing assessment programs, Soil gas surveys and indoor air intrusion modeling, Subsurface exploratory investigations, (e.g. soil borings, cone penetrometer, and geophysical methods), Installation of groundwater monitoring, air sparge, vapor extraction, groundwater extraction, ozone