Contrary to how the dosing was presented in the media, the concentrations tested were not characteristic of groundwater contamination, nor were they at the regulatory maximum levels. In fact, the concentrations in water were 10 parts per billion for aldicarb and atrizine, and 28 parts per million for nitrate-nitrogen. The full-color publication offers advice, instruction, and recommendations on anticipating emergencies, evaluating your worksite, and responding to emergency situations. Washington State University Cooperative Extension Agrichemical and Environmental News, October 1999. However, as stated in the risk assessment summaries issued in late August, the four OPs pose, or may pose, risks in the aggregate.
Aggregate risk is combination of dietary, drinking water, and non-occupational exposures.
A cPAD is the dose at which an individual could be exposed over a 70-year lifetime and not expect any adverse health effects. An aPAD is the dose at which an individual could be exposed on any given day and no adverse health effects would be expected. Kansas State University Pesticide Newsletter, October 14, 1999. Ball-Point Pen Kills Germs EPA has settled an enforcement action with Micro Pen of USA Inc., Buena Park, California, for selling unregistered pesticides and making unproven claims about their effectiveness, in violation of the Federal Insecticide, Fungicide, and Rodenticide Act. EPA's responsibility is to make sure that products containing pesticides have been properly evaluated and provide the information consumers need to use them safely.