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Risk-Based Decisions' staff have published, and presented a number
of papers,
which demonstrate their expertise and knowledge. A number of them are
provided for your review below. Click on any item to see the
publication summary.
"Is
benzene exposure from gasoline carcinogenic?" by
Ijaz S. Jamall and Calvin C.
Willhite
Journal of Environmental Monitoring February 2008
For a copy of the entire paper please email
ijamall@riskbaseddecisions.com
 This
article questions the basis for benzene as the carcinogenic surrogate in
deriving health risk-based  clean-up
levels for
gasoline-impacted soil and groundwater at leaking underground storage tank
properties. The epidemiological evidence suggests that acute myelogenous
leukemia (AML) associated with chronic occupational benzene exposure can be best
described by sigmoid dose–response relationships. A review of the molecular
toxicology and kinetics of benzene points to the existence of threshold
mechanisms in the induction of leukemia. The toxicological and epidemiological
literature on chronic exposure to unleaded gasoline indicates that the benzene
exposures required to induce a measurable carcinogenic response are
substantially greater than exposures likely to be encountered from exposure to
gasoline at contaminated properties. Thus, assuming that theoretical cancer
risks associated with exposure to benzene from gasoline reflect actual health
risks associated with such environmental exposures to gasoline and using these
theoretical cancer risks and cancer potency factors for benzene to dictate soil
and groundwater clean up of gasoline are not scientifically defensible.
Ex Situ Treatment of
MTBE-Containing Groundwater by a UV Peroxide System
Remediation (Summer)
2006:71-80.
Oxidative Remediation of
Diphenylamine in Wastewater
Bull. Env. Contam Toxicol. (2006) 76:740-744.
Catalase versus Glutathione Peroxidase.
Science
E-Letter: 24 May 2005
Ex Situ Treatment of
MTBE-Containing Groundwater by an UV/Peroxide System.
(Soils, Sediment and Water Conference, University
of Amherst, Massachusetts, October 18, 2005)
Distinguishing Between
Multiple Chlorinated Solvent Plumes: A Comprehensive Approach
(Soils, Sediment and Water Conference, University
of Amherst, Massachusetts, October 19, 2005)
Assessing Health Risks
Associated with DDT Residues in Soils in California:
A Proposition 65 Case Study
Risk Analysis, Vol.14,
No.1, 1994
Chemicals and
Environmentally Caused Diseases in Developing Countries
Infectious
Disease Clinics of North America, 5:365-375, 1991
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