"substantial pollution" is an acceptable phrase in written English.
It is used to describe a large amount of contamination or toxicity in a given area. For example, "The factory was cited for substantial pollution in the nearby river."
According to the Environmental Protection Agency EPAagricultureture is the leading contributor of pollutants into the nation's water supply, with substantial pollution believed to be emanating from large-scale, concentrated animal feeding operations, known also as CAFOs.
Others, including the acid rain program, require substantial pollution reductions by power plants.
These gases can open advective channels that may result in substantial pollution release and compromise cap effectiveness, and thus the capping scenario must control for such releases.
Textile effluents contain substantial pollution loads in terms of high alkalinity, high biological oxygen demand (BOD), high chemical oxygen demand (COD) and high suspended solids (SS).
Textile wastewater contains substantial pollution loads in terms of pH, temperature, color, chemical oxygen demand (COD), biochemical oxygen demand (BOD), total suspended solid (TSS), total dissolved solids (TDS), electrical conductivity (EC) and heavy metals.
After this incident, substantial pollution by the metazachlor breakdown product 479M08 of the lake and of some other groundwater sources in the Grand Duchy was revealed due to a strong monitoring program that was started by the national water authority (AGE).
PT22 was collected from the river Ruhr at a site with substantial anthropogenic pollution and contamination with industrial sewage (Wasserqualität der Ruhr 1992 [ 47]).
In India, ~33 million people now live in areas with substantial SO2 pollution.
Industrial activities, which had little regulation, created substantial air pollution.
With a visual magnitude of 2.63, it can easily be seen with the naked eye even in areas with substantial light pollution.
As a growing metropolitan city in a developing country, Kolkata confronts substantial urban pollution, traffic congestion, poverty, overpopulation, and other logistic and socioeconomic problems.
