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Applicable target risk limits (TR) for health protection can be matched to levels specified by the environmental regulatory authority. Toxicological parameters for each contaminant can be determined from published references, such as the U S. EPA Integrated Risk Information System (IRIS). Exposure rates correspond to the chronic rate of contact or intake of the affected exposure medium (air, water, soil) by the receptor under anticipated land use conditions. As a conservative measure, these rates can be estimated based on standard exposure factors published by the regulatory authority or other source (e.g., American Industrial Health Council) for the anticipated land use at the site (e.g., residential, commercial, etc.). 

Axisymmetric Drop Shape Analysis-Profile The technique of Axisymmetric Drop Shape Analysis-Profile (ADSA-P), as practiced by the present authors, is a powerful method for determining contact angles and liquid-fluid interfacial tensions from the profile of liquid drops. Besides these two parameters, the drop volume and the drop surface area, as well as the drop radius, all with their corresponding 95% confidence limits, or other statistical information are also output. 

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