How can you help reducing microbial hazards in the bodies of water in your community?

Some microbial contaminants can be removed by water treatment coagulation and filtration processes. Disinfection has proven effective against bacteria and viruses, but protozoa such as Giardia and especially Cryptosporidium are very resistant to chlorination alone

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.