The Health Physics Society classifies radiation survey officers as journeymen or senior certified health physicists. According to that organizationâs 2011 Certified Health Physicist Survey, certified health physicists made an average $124,466 per year, with a minimum of $63,750 per year and $192,200 per year. They also received health, vacation and retirement benefits when working full-time.
You are here. Welcome Â» IFOAM Â» What We Do Â» Organic Landmarks Â» Principles of Organic Agriculture Â» The Principle of Care. Organic Agriculture should be managed in a precautionary and responsible manner to protect the health and well-being of current and future generations and the environment.
This photo from a 1921 encyclopedia shows a tractor plowing a crop field. Agriculture is a major industry in the United States, which is a net exporter of food. As of the 2007 census of agriculture, there were 2.2 million farms, covering an area of 922 million acres (3,730,000 km2), an average of 418 acres (169 hectares) per farm.