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Anonymous users2024-01-24Mainly dissolved oxygen, pH, turbidity, conductivity, temperature, permanganate index, ammonia nitrogen, total nitrogen, total phosphorus, followed by some heavy metals, such as lead, cadmium, mercury, arsenic, chromium, and again organic matter or anion, such as volatile phenol, cyanide, chloride, fluoride, etc.
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Anonymous users2024-01-2335 environmental protection testing items:
Dissolved oxygen, pH, turbidity, conductivity, temperature, permanganate index, ammonia nitrogen, total nitrogen, total phosphorus, followed by some heavy metals, such as lead, cadmium, mercury, arsenic, chromium, and again organic matter or anion, such as volatile phenol, cyanide, chloride, fluoride, etc.
The key is to find out who is responsible for the water leak? The responsible party shall bear the losses caused by the correction. >>>More
It depends on the situation, and if it is serious, it will have to be dug up and repaired.
Probably not, the temperature at home will definitely not be zero, there is a certain heating temperature, it will not freeze, it is difficult to say outside the home, I think the living room at home will definitely not freeze.
No, because toilets in rural areas are generally shallow, just over 2 meters deep. The bottom water is generally 15 meters below, and the fecal water cannot penetrate it. When the rural toilet is full, there will be a manure digger to clean it up, and it will not pollute the groundwater!
If it is not a deep well discharge, it will generally not, and the unit building generally has a septic tank.