The professional staff at Cirrus has experience in the field of environmental consulting which provides a strong foundation for developing effective project solutions. The following project descriptions provide examples of experience in the environmental field possessed by Cirrus’ professionals. Although these represent only a few of the projects successfully completed, they provide and indication of the diversity of experience available to Cirrus’ clients.

Major Chemical Plant, Texas:
Developed a subsurface soil sampling and analysis plan to investigate a pipeline leak which had occurred at the plant. The product which had been released was a refined hydrocarbon containing a large percentage of benzene. The investigation plan involved field screening soil samples with an organic vapor meter and selecting specific samples for laboratory analysis to delineate the extent of contamination around the pipeline. Following the conduct of the subsurface soil investigation, a remediation plan was implemented involving the excavation, classification and disposal of a large volume of soil. The excavation activities were successful in removing all of the contaminated soil.

Tire Recycling Facility, Texas: 
Developed Sampling and Analysis Plan to investigate potential offsite contamination caused by a tire fire. The plan included the collection of surface and subsurface soil samples using a gridded sampling location system on the offsite property. Following the conclusion of the investigation, a remediation plan was proposed to the responsible party as well as the offsite landowner for implementation. At the conclusion of the remedial activities, expert witness services were provided on behalf of the responsible party during litigation.

Ceramic Tile Manufacturing Company, Texas: 
Performed a ground-water quality assessment to evaluate the impacts of a leaking UST to the shallow soils and ground water at the site. The assessment involved the installation and sampling of ground-water monitoring wells as well as the collection of soil samples for analysis of selected parameters. Aquifer tests (slug tests) were performed at three of the monitor wells to evaluate the fluid transmitting properties of the shallow water-bearing zone. The data gathered from this investigation was utilized to execute a computer modeling simulation of the potential offsite migration of the contaminant plume. This information was incorporated into a Risk Based Closure Plan for the USTs, which was submitted to the TNRCC for review and was later approved.

Former Research Center, Texas: 
Investigated and developed a remediation plan to address PCE impacts in the shallow clay and perched groundwater. The remediation, consisting of excavation followed by limited injection of remedial fluids, reduced contaminant levels by 90%.

PCE Impact, Texas:
Cirrus evaluated impacts from PCE and its daughter products to soil and groundwater on a Dallas, Texas area property where there was potential for off-site migration. Cirrus designed a remediation approach combining soil excavation with a reactive iron wall and DNAPL recovery sumps to effectively cut off potential off-site migration.