The sediment and sludge of water contain a lot of organic substances and nutrients, pathogenic bacteria, parasitic ovum, heavy metals and some poisonous, harmful degradation-resistant organic substances, etc. meanwhile, they have the characteristics of high water content , large volume, easy to corrupt, producing malodor, small specific gravity, finer particles, etc., having great hidden dangers to the environment and human body. 

 

7 working days, urgent services are available 

 

Determination Method for Municipal Sludge in Wastewater Treatment Plant (CJ/T 221-2005) 

The Specification for Marine Monitoring - Part 5: Sediment Analysis (GB 17378.5-2007)