Obtaining an appropriate and representative sample, depending on the purpose of the sampling, and the correct way of transporting it to the laboratory for analysis, contributes decisively to the production of reliable laboratory analysis results. A sampling error inevitably follows the sample to the end of its analysis and cannot be corrected, except by resampling it.
  • Drinking water supply network 
  • Drilling water 
  • Surface and underground water 
  • Sea, lake, and river water
  • Swimming pool water 
  • Water from air-conditioners 

(b) Environmental samples (mud, sediments, silt) 

(c) Sewage, industrial waste, and soil 

(d) Surfaces using contact plates and cotton swabs