We look at each situation on a case-by-case basis.

Generally, we wouldn't want to make any statements based on one round of sampling. If there's much mixing going on, it could be difficult or impossible to tease apart the different sources.

Nitrate doesn't appear to be present at levels of concern in groundwater deeper than about 150 feet. In general, elevated nitrate levels were found in shallow wells and not in deep wells.

The FDA believes that a physician who prescribes, dispenses, and/or administers HGH for an unauthorized use violates federal law.