Service Offerings: Petroleum: Remediation Remediation has a broad meaning within the industry today. Our remediation programs are designed with consideration for the following variables: Human health and environment Our client's expressed and implied standard of care Our client's business constraints Our knowledge of technical feasibility and technical limitations Risk based corrective action criteria have allowed for use of passive remediation approaches in several situations. However, active remediation will continue to be necessary at a small percentage of sites. Delta's remediation experience and expertise include: Natural attenuation and associated passive approaches Chemical augmentation Biological induction and enhancement Traditional methods: soil vapor extraction, pump & treat, and excavation Our remediation programs greatly rely on effective regulatory stakeholder management. They are designed to leverage Delta's intimacy with local regulatory agencies and Delta's technical reputation for the benefit of our clients. Please review the MTBE map for information regarding current regulations and programs on a state by state basis.