Water. Unit 5-6, Water quality, analysis and management /

Water. Unit 5-6, Water quality, analysis and management / Water quality, analysis and management. Unit 5-6. Prepared by the Course Team. - Milton Keynes : The Open University,1992. - 83 p. : ill. ; 30 cm. - Environmental control and public health. .

Technology : a second level course.

Includes bibliographical references.3

0749261722 (pbk.)