This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Both metal and copper oxidize when exposed to oxygen and this is a natural process. Copper that is exposed to the outside environment is more likely to turn green and that is why copper vases and decorative pieces in gardens are often green.
This unique characteristic of copper is completely natural and is often referred to as the âpatinaâ â which referrers to the way copper changes color and turns green as it ages. This natural process actually preserves the copper and protects it from the outside elements.