Research was conducted to investigate the effects of spraying sewage effluent on hardwood forested land at Sugarloaf Mountain, Maine. Using suction lysimeters, groundwater samples were collected throughout the summer and fall of 1979 in sprayed, near‐sprayed, and unsprayed areas. The percent removal of the constituents in the effluent ranged from 62.7 percent for sodium to 98.7 percent for orthophosphate phosphorus. Lateral movement of all constituents from the spray circles was detected.
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