What type of waste products may be discharged into u. s. waters?

The waste comes in many different forms and types and can be categorized in variety of ways. Generally it could be liquid or solid. And there is the hazardous type of waste that is harmful to the health and environment. Organic waste comes form animals and plants. Recyclable waste is the waste that can be recycled into new useful products. Green waste can be discharged in the us water.

1) noble gases2) by increasing atomic number3) noble gases