In order to compare a standard chemical-based risk assessment with in vitro genotoxicity
assays, two complex environmental mixtures from a wood-preserving site were analyzed in …

In the United States, several proposed approaches for using bioassays for the risk
assessment of complex hazardous mixtures require that selected mixtures be “sufficiently …

Chemical fractionation is a widely used tool for the chemical and toxicological
characterization of complex mixtures. The objective of this research was to compare two …

The baseline risk assessment often plays an integral role in various decision-making
processes at Superfund sites. The present study reports on risk characterizations prepared …

Although human exposure generally occurs to mixtures of chemicals, limited toxicological
information is available to characterize the potential interactions of the components of …

Soxhlet-extracted samples of standard reference materials (SRMs) 1649 (PART: urban
dust/organics) and 1650 (PAR2: diesel particulate matter) from the US Institute of Standards …

Abstract The International Programme on Chemical Safety (IPCS) sponsored an
international collaborative study to examine the variability associated with the extraction and …

Polycyclic aromatic hydrocarbons (PAH) form a large group of organic chemicals that are
widely distributed in our environment as pollutants of air, water and soil. Several PAH are …

Settled dusts are sinks for environmental pollutants, including Polycyclic Aromatic
Hydrocarbons (PAHs) that are ubiquitous, persistent, and carcinogenic. To assess their …

Risk assessment of complex environmental samples suffers from difficulty in identifying toxic
components, inadequacy of available toxicity data, and a paucity of knowledge about the …