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Based on proven investigation into cleanup techniques, the material in this manual gives engineers a working knowledge of the field and a basis for making key decisions during the cleanup process. It is easy to get petroleum into the ground, but hard to get it back out again. The problem does not exist in the groundwater or the soil alone, but in a dynamic balance between the soil, water, and air in the soil. Gasoline and any of its volatile components can and do move between the soil, air and water, and they cost billions of dollars every year in contamination cleanup. This new book provides the information needed for cost- and time-effective petroleum-contaminated site cleanup. Originally developed as an oil company's training aid, this book discusses the hows and whys of site cleanup-geology, data gathering, cleanup alternatives, remediation costs, and manage-ment of consultants/contractors Plus the_book contains a criti-cal examination of the benefits and limitations of each type of remediation technology. There is never only one way to clean up a particular site. The choice of the method of cleanup is one of the greatest factors affecting the cost. Another important cost factor is the level of cleanup required to satisfy the regulatory cleanup community. This new book will not only provide a fundamental under-standing of site remediation techniques but also the knowledge to make cost-effective, environmentally-sound choices during the remediation process. Copies of this handy manual are available for immediate delivery. An order form follows the detailed table of contents on the reverse.
This Phase II Investigation Work Plan discusses the field work and laboratory testing required to determine the extent of contaminated materials to be encountered during the construction of Stage 4 of the Chaska Flood Control Project. This work plan was developed in response to indications of potentially contaminated soils and groundwater (petroleum products, petroleum product and solvent odors, and dump/debris fill) encountered in several geotechnical soil borings advanced for geotechnical design purposes along the proposed levee and channel alignments. These borings were advanced for physical property testing rather than for contaminant analysis since contaminated materials and/or groundwater were not anticipated on these stages of the project. In addition, potential contamination sources were identified during a Phase I Environmental Site Assessment for these stages of the project. According to the Minnesota Pollution Control Agency (MPCA) document "Update on Property Transfer Cleanup Assistance", a Phase II Investigation Work Plan is required to determine if the potential sources of contamination identified during the Phase I Investigation are actually causing a release or threatened release of hazardous substances to the soil and groundwater at the project site. This work plan contains background information on the site; the scope of work for Task 1, Work Plan and Health/Safety Plan, Task 2, Field Investigation Work, and Task 3, Phase II Investigation Report. The report also describes the methodology that should be followed in conducting soil borings, hand auger borings, soil classification, soil sampling and chemical analysis, decontamination, soil headspace analysis, and chain of custody.