25 Pa. Code § 78a.55
(i) Emergency response for unconventional well sites.
(2) Definitions. For the purposes of this subsection, the following definitions apply:
Access road—A road connecting a well site to the nearest public road, private named road, administrative road with a name and address range, or private unnamed road with an address range.
Address—A location, by reference to a road or a landmark, made by a county or municipality responsible for assigning addresses within its jurisdiction.
Administrative road—A road owned and maintained by the Commonwealth open to the public at the discretion of the Commonwealth that may or may not have a name and address range.
Emergency responder—Police, firefighters, emergency medical technicians, paramedics, emergency management personnel, public health personnel, State certified hazardous materials response teams, Department emergency personnel and other personnel authorized in the course of their occupations or duties, or as an authorized volunteer, to respond to an emergency.
Entrance—The point where the access road to a well site connects to the nearest public road, private named road, administrative road with a name and address range, or a private unnamed road with an address range.
GPS coordinates—The coordinates in latitude and longitude as expressed in degrees decimal to at least six digits after the decimal point based upon the World Geodetic System 1984 Datum or any other datum approved by the Department.
PEMA—The Pennsylvania Emergency Management Agency.
Private named road—A private road with a name and address range.
Private road—A road that is not a public road.
Private unnamed road—A private road that is not a private named road.
Public road—A road owned and maintained by the Commonwealth, a county within this Commonwealth, a municipality within the Commonwealth or any combination thereof that is open to the public.
Public safety answering point—An entity operating in cooperation with local municipalities and counties to receive 9-1-1 calls for a defined geographic area and process calls according to a specific operational policy.
Well site name—The name used to designate the well site by the operator on the well permit application submitted to the Department.
(3) Registration of addresses.
(iii) The operator shall register the following with PEMA, the Department, the Public Safety Answering Point and the county emergency management organization within the county where the well site is located:
(vi) The following shall be retained at the well site for reference when contacting emergency responders:
(4) Signage.
(ii) The sign must meet the following requirements:
(D) The sign must follow the format of Figure 1 and contain:
(vii) During drilling operations, the American Petroleum Institute (API) permit numbers of the wells at the site may be posted on a nonreflective sign below the principal sign. The API sign may be removed after the well is completed, provided that it is not otherwise required to be posted.

(5) Emergency response planning.
(i) The operator of an unconventional well shall develop and implement an emergency response plan that provides for equipment, procedures, training and documentation to properly respond to emergencies that threaten human health and safety for each well site. The plan must incorporate National Incident Management System planning standards, including the use of the Incident Command System, Incident Action Planning and Common Communications Plans. The plan must include:
(C) A description of the well site personnel’s response to the following well site emergencies:
(D) A description of the procedure to be used to provide the most current information to emergency responders in the event of an emergency, including the following:
(ii) The emergency response plan in subparagraph (i) may consist of two parts:
(v) The plan and subsequent updates shall be submitted to:
(vii) The emergency response plan must address response actions for the following stages of operation at the well site:
(6) Transition.
(ii) For a well site containing a well that is being drilled or has been drilled as of January 26, 2013, or a well site for which a well permit has been issued but wells have not started drilling as of January 26, 2013, or a well site for which an administratively complete application is pending as of January 26, 2013, as provided in subparagraph (i), the following applies:
This section cited in 25 Pa. Code § 78a.15 (relating to application requirements); 25 Pa. Code § 78a.54 (relating to general requirements); and 25 Pa. Code § 78a.72 (relating to use of safety devices—blow-out prevention equipment).