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Preface This is the third edition of CSA Z246.2, Emergency preparedness and response for petroleum and natural gas industry systems. It supersedes the previous editions published in 2018 and 2014. This Standard provides requirements for a continual improvement process to develop, implement, maintain, and evaluate an emergency preparedness and response program. This helps operators in the industry to be prepared to respond to an emergency that affects people, the environment, or property. The following are the major changes to this edition: a) rewriting Clauses 9 and 11.3; b) expansion and harmonization of Clause 12 with Annex A; c) expansion of Clauses 14.2 and 14.8; and d) rewriting and reordering of provisions in Clause 13 and Annex A. This Standard was prepared by the Technical Committee on Emergency Preparedness and Response for Petroleum and Natural Gas Industry Systems, under the jurisdiction of the Strategic Steering Committee on Petroleum and Natural Gas Industry Systems, and has been formally approved by the Technical Committee. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. 

Scope 

1.1 General

This Standard establishes criteria for emergency preparedness and response for the petroleum and natural gas industry systems. Note: Prevention, continuity, and recovery are addressed in other standards. 

1.2 Applicability 

This Standard applies to petroleum and natural gas industry systems (see Figures 1 and 2), including a) pipeline systems handling i) oil; ii) gas; iii) oil-field water; iv) liquid products; v) multi-phase fluids; vi) slurries; and vii) system supports, including 1) meter stations; 2) compressor stations; 3) pump stations; 4) tank farms; 5) terminals; and 6) all assets that support Items 1) to 5); b) liquefied natural gas (LNG) production, storage, and handling facilities; c) storage or disposal of hydrocarbons and hydrogen in underground formations; d) petrochemical installations, including i) refineries; ii) gas processing plants; iii) liquefied petroleum gas plants; iv) synthetic natural gas plants; and v) coal gasification plants; e) oil and gas exploration, development, production, treatment, processing, and storage operations not covered in Items a) to d); f) oil sands facilities; and g) petroleum and gas wells. Notes: 1) Examples of gas can include methane, carbon dioxide, and hydrogen. 2) Examples of liquid products can include methane, carbon dioxide, ammonia, and hydrogen. 

1.3 Exclusions 

This Standard does not apply to offshore petroleum and natural gas activity, petroleum and liquefied natural gas (LNG) tankers, nor customers piping system. It also excludes emergency preparedness and response for liquid or gaseous energy transported by rail, road, or ship. Note: See Figures 1 and 2. 

1.4 Users 

The requirements of this Standard are applicable to all operators, regardless of the size or number of their assets. 

1.5 Terminology 

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.