[Code of Federal Regulations] [Title 40, Volume 20] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR166.2] [Page 183] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 166--EXEMPTION OF FEDERAL AND STATE AGENCIES FOR USE OF PESTICIDES UNDER EMERGENCY CONDITIONS--Table of Contents Subpart A--General Provisions Sec. 166.2 Types of exemptions. There are four types of emergency exemptions which may be authorized: specific, quarantine, public health, and crisis exemptions. (a) Specific exemption. A specific exemption may be authorized in an emergency condition to avert: (1) A significant economic loss; or (2) A significant risk to: (i) Endangered species, (ii) Threatened species, (iii) Beneficial organisms, or (iv) The environment. (b) Quarantine exemption. A quarantine exemption may be authorized in an emergency condition to control the introduction or spread of any pest new to or not theretofore known to be widely prevalent or distributed within and throughout the United States and its territories. (c) Public health exemption. A public health exemption may be authorized in an emergency condition to control a pest that will cause a significant risk to human health. (d) Crisis exemption. A crisis exemption may be utilized in an emergency condition when the time from discovery of the emergency to the time when the pesticide use is needed is insufficient to allow for the authorization of a specific, quarantine, or public health exemption.