What are the common symptoms of carbon monoxide poisoning ?

Carbon monoxide symptoms are related to PPM concentration, According to the United States Consumer Product Safety Commission, Carbon monoxide levels are calculated in parts per million (PPM). When levels are 1-70 PPM, people and animals may experience very slight cold or flu-like symptoms. Once levels reach 150-200 PPM, seek medical attention immediately.  Oftentimes, carbon monoxide […]