Contaminated Sites Calculators
For more information regarding the calculators please contact Zuzana Culakova at 907-465-5346
Cleanup Levels Calculator
Petroleum Cleanup Levels Calculator
The Petroleum Cleanup Level Calculator is designed to assist consultants, responsible parties, and regulators in calculating site-specific gasoline, diesel, and residual range organics contamination in soil under 18 AAC 75.340(e), Method Three. Method Three was developed to provide flexibility in determining alternative cleanup levels for soil, as the soil and aquifer parameter values used to develop the default cleanup levels may not be reflective of soil or aquifer conditions at a particular site. The calculator provides methods of determining site-specific alternative cleanup levels for three soil exposure pathways: inhalation, ingestion, and migration to groundwater. Method Three allows the use of site-specific soil data, aquifer data or both, and it also allows for the use of commercial/industrial exposure values without performing a full risk assessment under Method Four.
The department requires submittal of the parameters proposed for modification, the site-specific values for those parameters proposed for use, and a description of the basis for each site-specific value to support the calculation of site-specific cleanup levels.
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