Polychlorinated biphenyls (PCBs) are persistent environmental pollutants which
are detectable in the serum of all American adults. Amongst PCB congeners,
PCB 153 has the highest serum level. PCBs have been dose-dependently
associated with suspected...
Urbanization disrupts natural soil profiles and as watersheds are
urbanized, their surfaces become impervious and this will result in
reduction of infiltration. For this reason, many cities are facing problems
with treating runoff water. Best...