From LECO Corporation
Dioxin analysis in a regulated fashion requires conformity to
the specifications of EPA Method 1613b1. Adherence to the
mass spectral performance criterion using the Pegasus®
GC-HRT permits a comprehensive analysis of samples2.
Aside from dioxins, environmental samples may contain
other classes of persistent organic pollutants (POPs) which
may include polyaromatic hydrocarbons (PAHs),
halogenated PAHs, polychlorinated biphenyls (PCBs),
polybrominated diphenyl ethers (PBDEs), and new
hazardous compounds resulting from industry attempts to
stay ahead of regulation. Although not specifically controlled
for through methods, these compounds can also be toxic
and may be present at higher levels than the target dioxins.
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Topics of Interest
Polychlorinated dibenzo-p-dioxins and furans (Figure 1) are some of the most toxic materials known to man. These persistent organic pollutants (POPs) have been linked to cancer and adverse...
Lance A. Wallace, Ph.D. U.S. Environmental Protection Agency Reston, Virginia 33.1 INTRODUCTION Volatile organic chemicals (VOCs) comprise some thousands of compounds, many of which are...
A family of polyaromatic hydrocarbons (PAHs) known as nitroarenes are present in automobile exhaust. These species are known to be highly mutagenic and carcinogenic. Thus, it is very important to...
The stability of a series of chlorine substituted dioxins and furrans compounds has been estimated via a QSAR method using electronic descritors that were estimated using ab inito calculations.
Pollutants, Chemical; Pollutants, (from) Chemical Processes; Pollutant Indicators; Pollutants, Toxic; Pollutants, Toxic Chemicals ( see also Emissions; Environmental Accountability) Toxic chemical...
