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Marathon's Detroit refinery gets new air license to improve crude throughput

Michigan's environmental agency on Tuesday issued a brand-new air authorization to Marathon Petroleum covering emissions from its Detroit refinery, which will permit the refiner to increase unrefined throughput at the plant.

In March, Marathon filed an application with the Michigan Department of Environment, Great Lakes, and Energy to run its refinery continually by eliminating monthly and yearly throughput limits.

The refinery's license had topped its capacity at 140,000 barrels daily on an annual average, but the new license gets rid of limitations on just how much crude it can execute the plant.

The facility, which produces gasoline, fuel oils, asphalt, gas, and propylene, had actually counted on periods of shutdown or decreased production to fulfill the annual typical limitation.

A Marathon representative said the brand-new air license conditions consist of a decrease in emissions limits, voluntary emissions decrease tasks and a six-year enhanced air monitoring program. We did not propose any changes to our existing footprint, the spokesperson stated.

However, regional ecological groups fret the center could include more pollutants to the air by processing more crude oil.

The approval highlights the requirement for regional lawmakers and regulators to carry out guidelines that represent the general health results on fence-line neighborhoods, rather than evaluating pollution on a pollutant-by-pollutant basis, stated Bryan Smigielski, Michigan project organizer for the Sierra Club.

The absence of cumulative impact policies indicates this authorization was approved without extensive evaluation of the integrated impact on already vulnerable areas, Smigielski stated.

The Marathon refinery is located in Southwest Detroit, an area with one of the greatest levels of air pollution in the state due to significant market presence.

(source: Reuters)