Health
Regulation of liquid quality at the legislative level is important for health and for this purpose requirements for drinking water were developed: SanPiN and GOST standards. It does not matter what type is meant. Compliance allows you to protect yourself from diseases, will improve the standard of living. Can we hope that the problem has been solved? No, because what comes through the pipes is only suitable on paper, but in fact contains many inclusions than is allowed by the rules. Therefore, everyone should know the nature of the impurities and how the resource can be checked.
What should the water be like?
Back in the early 80s of the last century, standards were developed that determined china phone number library and they were specified in regulatory documents. According to GOST, the liquid is assessed at several levels, including chemical, which affect the quality of the resource.
Microbiological.
Shows the content of bacteria, pathogenic microorganisms
The latter include E. coli, saprophytes, salmonella. Endogram-negative should be in the liquid, but their this was reported by deputy indicates low quality. If there is an excess of other bacteria, a repeat test should be carried out. After a thorough analysis, the causes are determined and measures are developed.
Organoleptic. It is necessary to determine the main characteristics: taste, aftertaste and flavor, turbidity. They also sault data the smell at a temperature of 20 degrees and after heating (60 degrees). Taking into account the SES standards of the regional level, a conclusion is made about the color. The criterion takes into account the presence of substances in the natural source (they are partially returned to the water during the final processing before serving). These include: Ca and Mg salts, Al compounds, chlorides, metals, etc. Together, they determine the liquid indicator and require strict adherence to the rules. It affects other evaluation criteria. If the established standards are not met, a deterioration in well-being will be observed.