To evaluate whether VOCs are migrating out of the landfills into the vadose zone, a soil vapor survey of the soil beneath the landfill bases was performed. Permanent vapor monitoring probes were installed and then sampled twice for VOCs. Groundwater beneath the landfills has been impactd by VOCs, namely TCE, DCE, and toluene.

This Additional Site Characterization Work Plan presents a strategy for collecting site characterization information at the closed Maricopa County Cave Creek Landfill to support ongoing remedial action planning for trichloroethene-impacted groundwater underlying the site. The Work Plan supplements previous remedial investigation work plans prepared to characterize the nature and extent of site contamination.

This survey of visitors to Arizona’s wine tourism regions was undertaken to gather market research on a growing industry, including visitor demographics, travel patterns, satisfaction with the experience and spending patterns. This information will assist the wineries, vineyards, tasting rooms and local tourism communities in the wine regions with targeted marketing efforts, product development, and advocacy for a burgeoning industry that is critical to the health of these rural regional economies.