Is a license or certification required to work in sewage treatment?
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Does anyone know what permits are required for sewage treatment?
Generally, it’s not necessary! If you use a lot of hazardous materials, it’s safer to obtain a hazardous materials handling certificate. Probably didn’t check either!
They are needed; currently there are certificates for advanced, intermediate, and basic levels of wastewater treatment, with training and certification provided by environmental protection agencies at various levels. As for whether an investigation will be conducted, it’s hard to say; it depends on the mood of the environmental protection department staff. :lol
It turns out they are required; there are three types of wastewater treatment certificates: basic, intermediate, and advanced. I’m not sure if they have been abolished now.
It makes sense to have a **bureau for social affairs**
Is an exam required to obtain the certificate? I had heard of it before but didn’t pay attention