Risk implications of approaches to setting soil remediation goals

Conference · Tue Jun 01 04:00:00 EDT 1993

OSTI ID:10165476

Labieniec, P A; Dzombak, D A ^[1]; Siegrist, R L ^[2]

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1. Carnegie Mellon Univ., Pittsburgh, PA (US). Dept. of Civil Engineering
2. Oak Ridge National Lab., TN (US)

A framework has been developed to evaluate and compare the carcinogenic risk implications of two approaches to establishing soil remediation goals at hazardous waste contaminated sites. The approaches considered are (1) site-specific risk assessment to achieve a specified level of carcinogenic risk and (2) the use of uniform, concentration-based soil quality guidelines. Uncertainty in site-specific risk assessments and variability in site conditions when a uniform approach is used are taken into account. For each approach, cumulative distribution functions representing the regional variability in risk across sites are developed using a soil risk model. The two approaches are then compared based on these distributions. This paper describes the evaluation framework and presents some preliminary results of ongoing research to apply the framework to sites contaminated with trichloroethylene (TCE). Preliminary work in applying the framework to sites contaminated with polychlorinated biphenyls (PCBs) is also described.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 10165476
• Report Number(s): CONF-930165--3; ON: DE93015185
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540250
560300
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
CARCINOGENESIS
CHEMICALS METABOLISM AND TOXICOLOGY
CHLORINATED ALIPHATIC HYDROCARBONS
CHLORINATED AROMATIC HYDROCARBONS
CONTAMINATION
ECOLOGICAL CONCENTRATION
HAZARDOUS MATERIALS
MATHEMATICAL MODELS
REMEDIAL ACTION
RISK ASSESSMENT
SITE CHARACTERIZATION
SITE RESOURCE AND USE STUDIES
SOILS