Probabilistic Exposure Analysis for Chemical Risk Characterization

Chemical Risk without Concurrent External Exposure!

A Statistical-Probabilistic Pattern for Determination of Tunnel Advance Step by Quantitative Risk Analysis

One of the main challenges faced in design and construction phases of tunneling projects is the determination of maximum allowable advance step to maximize excavation rate and reduce project delivery time. Considering the complexity of determining this factor and unexpected risks associated with inappropriate determination of that, it is necessary to employ a method which is capable of accounti...

Integration of probabilistic exposure assessment and probabilistic hazard characterization.

A method is proposed for integrated probabilistic risk assessment where exposure assessment and hazard characterization are both included in a probabilistic way. The aim is to specify the probability that a random individual from a defined (sub)population will have an exposure high enough to cause a particular health effect of a predefined magnitude, the critical effect size (CES). The exposure...

Chlorothalonil Risk Characterization Document for Dietary Exposure

8. Selected no-observed-effect levels (NOELs) and lowest-observed-effect levels (LOELs) of chlorothalonil from oral subchronic toxicity studies .. This risk assessment assessed the dietary exposure to chlorothalonil (2,4,5,6-tetrachloro-1,3-benzenedicarbonitrile), SDS-3701, and hexachlorobenzene (HCB) under the mandate of AB 2161 (known as the Food Safety Act) of California.

Probabilistic Ecological Risk Assessment Framework for Chemical Substances

The goal of probabilistic ecological risk assessment (PERA) is to estimate the likelihood and the extent of adverse effects occurring to ecological systems due to exposure(s) to substances. It is based on the comparison of an exposure concentration distribution (ECD) with a species sensitivity distribution (SSD) derived from chronic toxicity data. A PERA framework was proposed and illustrated w...