Vapor Intrusion
Vapor Intrusion occurs when harmful soil contamination changes phase from liquid to vapor underground and moves upward through geologic layers and building foundations, accumulating within indoor air.
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Underground Storage Tank Sizes & Volumes
Underground Storage Tank Sizes & Volumes There are a variety of underground storage tank sizes and volumes. Usually, a UST size relates to the purpose, location, and content of the container. For instance, some underground diesel fuel tanks can have lengths up to 55 feet and hold as much as 30,000 gallons. Whereas waste oil…
Building Materials | Environmental Due Diligence | Environmental Engineering & Construction | Indoor Air Quality Protection | Land Development & Real Estate | Remediation & Clean-Up
Human Health Risk Assessment (HHRA)
Human Health Risk Assessment (HHRA) A Human Health Risk Assessment (HHRA) evaluates the potential dangers to people where there may be some exposure to chemical contaminants in soil, groundwater, ambient air, or soil gas. Typically, the recommendation for an HHRA stems from the Phase 1 Environmental Site Assessment process. However, the awareness for indoor air…
Wing Dam or Wing Dike Definition
Wing Dam or Wing Dike A “Wing Dam” or “Wing Dike” refers to a dam that intentionally retains a fraction of the width of a flowing water source. Unlike a conventional dam, a wind dam aims to divert the path of water flow. Additionally, a wing dike can control the velocity of water flow. For…
Thermosphere
Thermosphere Thermosphere: The thermosphere of a terrestrial planet is the fourth and final member of the atmosphere. On Earth, the thermosphere starts atop the mesosphere at approximately 85 kilometers above mean sea level. The upper limit of the thermosphere is reasonably presumed to terminate approximately 95 kilometers above mean sea level. In fact, most of…
Environmental Due Diligence | Environmental Engineering & Construction | Land Development & Real Estate | Remediation & Clean-Up
Remediation after Phase 2 Environmental Site Assessment
Remediation after Phase 2 Environmental Site Assessment Contamination Remediation refers to the process of cleaning up a property with contamination issues that are usually discovered during the Phase 1 Environmental Site Assessment (ESA) and Phase 2 Subsurface Investigation process. Today, there are a variety of remediation methods and technologies to apply at a site. And…
Hooke’s Law
Hooke’s Law “Hooke’s Law” is a geological statement relating to the elastic deformation of rocks. Hooke’s Law states the strain of an earth-material is linearly proportional to the applied stress.