Testin the Quality of Water

INTRODUCTION At our laboratory on Monday, April 9, 2002, our class opened a water quality chemical pollution research laboratory. Two water bodies, Wall Pond and HGTC Pond, were selected as sample locations. Each group must be tested for water temperature, dissolved oxygen, nitrate, phosphate, pH, turbidity. Only two people chose to examine E. coli in water. "Although the E. coli group is not a pathogenic (pathogenic) organism, it is slightly contagious, so these bacteria work relatively safely in the laboratory."

Environmental water quality is also called environmental water quality and includes waters such as lakes, rivers, and the ocean. Surface water quality standards vary greatly depending on various environmental conditions, ecosystems, and human intended use. High levels of toxic substances and certain microorganisms may harm your health for purposes other than drinking such as irrigation, swimming, fishing, rafting, boating, and industrial use. These conditions may also affect wildlife using water as drinking water and habitat. Modern water quality law usually provides protection for fishery and entertainment applications and requires at least the maintenance of current water quality standards.

The WHO has developed a series of water quality guidelines, including safe use of drinking water, drainage, and a safe entertainment water environment. Since 2004, the water quality guidelines for drinking water include a water safety program to identify and prevent risks before water pollution. Since 2014, WHO has tested household water purification products on WHO health-based performance standards through the World Health Organization's "plan" to assess household water purification technology. The purpose of this program is to ensure that the product protects users from pathogens causing diarrheal diseases and to support national-level policies, regulatory and monitoring mechanisms to support the proper use and consistent proper use of such products It is to strengthen.