Cone Penetrometer Tests and HydroPunch® Sampling: A Screening Technique for Plume Definition |
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| Authors: | Mark Smolley Janet C Kappmeyer |
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| Institution: | Mark Smolley is a project supervisor with EMCON Associates (1921 Ringwood Ave., San Jose, CA 95132). He has a bachelor's degree in geology from Pennsylvania State University. For the past five years, he has coordinated and supervised ground water investigations associated with large industrial facilities and sanitary landfills.;Janet C. Kappmeyer previously worked for EMCON Associates and is director of operations at On-Site Technologies Inc. (1715 South Bascom Ave., Campbell, CA 95008). She has a master's degree in geology from the University of Michigan. In the past seven years, Kappmeyer has focused primarily on remedial investigations of industrial and hazardous waste sites impacted by chlorinated solvents. |
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| Abstract: | Cone penetrometer tests and HydroPunch® sampling were used to define the extent of volatile organic compounds in ground water. The investigation indicated that the combination of these techniques is effective for obtaining ground water samples for preliminary plume definition. HydroPunch samples can be collected in unconsolidated sediments and the analytical results obtained from these samples are comparable to those obtained from adjacent monitoring wells. This sampling method is a rapid and cost-effective screening technique for characterizing the extent of contaminant plumes in soft sediment environments. Use of this screening technique allowed monitoring wells to be located at the plume boundary, thereby reducing the number of wells installed and the overall cost of the plume definition program. |
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