I don't know when I would need to use such a permit, but I still want one.
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It happened about two weeks ago in Northeast Minneapolis near a lab that does medical testing and dumps blood into the sewer. It is allowed but the city is now making changes to help protect workers in the future.
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The Met Council said it was a mix of human and animal blood used in medical testing at this nearby lab.
In fact, the company, R & D Systems, does have a permit to dump blood in the sewer system.
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The Met Council issued the permit. When asked if it's safe to have blood in the sewers, the Met Council said it is no more harmful than most other wastes in the sewer.
The sanitary sewer system is the appropriate place for this type of liquid wastes. There are other companies that have permits to discharge blood in the sewer system.
According to the Met Council, there are about four slaughterhouses, about 20 hospitals, and about a dozen medical and pharmaceutical companies that have permits.
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