ISO 14001 - (Section 4 - Environmental Management System)

4.5 Checking

4.5.1 Monitoring and measurement

The organization shall establish, implement and maintain a procedure(s) to monitor and measure, on a regular basis, the key characteristics of its operations that can have a significant environmental impact. The procedure(s) shall include the documenting of information to monitor performance, applicable operational controls and conformity with the organization's environmental objectives and targets.


The organization shall ensure that calibrated or verified monitoring and measurement equipment is used and maintained and shall retain associated records.


4.5.2 Evaluation of compliance

4.5.2.1 Consistent with its commitment to compliance, the organization shall establish, implement and maintain a procedure(s) for periodically evaluating compliance with applicable legal requirements.


The organization shall keep records of the results of the periodic evaluations.


4.5.2.2 The organization shall evaluate compliance with other requirements to which it subscribes. The organization may wish to combine this evaluation with the evaluation of legal compliance referred to in 4.5.2.1 or to establish a separate procedure(s).


The organization shall keep records of the results of the periodic evaluations.


4.5.3 Nonconformity, corrective action and preventive action

The organization shall establish, implement and maintain a procedure(s) for dealing with actual and potential nonconformity(ies) and for taking corrective action and preventive action. The procedure(s) shall define requirements for

  1. identifying and correcting nonconformity(ies) and taking action(s) to mitigate their environmental impacts,
  2. investigating nonconformity(ies), determining their cause(s) and taking actions in order to avoid their recurrence,
  3. evaluating the need for action(s) to prevent nonconformity(ies) and implementing appropriate actions designed to avoid their occurrence,
  4. recording the results of corrective action(s) and preventive action(s) taken, and
  5. reviewing the effectiveness of corrective action(s) and preventive action(s) taken.

Actions taken shall be appropriate to the magnitude of the problems and the environmental impacts encountered. The organization shall ensure that any necessary changes are made to environmental management system documentation.


4.5.4 Control of records

The organization shall establish and maintain records as necessary to demonstrate conformity to the requirements of its environmental management system and of this International Standard, and the results achieved.


The organization shall establish, implement and maintain a procedure(s) for the identification, storage, protection, retrieval, retention and disposal of records.


Records shall be and remain legible, identifiable and traceable.


4.5.5 Internal audit

The organization shall ensure that internal audits of the environmental management system are conducted at planned intervals to

  1. determine whether the environmental management system
    1. conforms to planned arrangements for environmental management including the requirements of this International Standard, and
    2. has been properly implemented and is maintained, and
  2. provide information on the results of audits to management.

Audit programme(s) shall be planned, established, implemented and maintained by the organization, taking into consideration the environmental importance of the operation(s) concerned and the results of previous audits.


Audit procedure(s) shall be established, implemented and maintained that address

  • the responsibilities and requirements for planning and conducting audits, reporting results and retaining associated records,
  • the determination of audit criteria, scope, frequency and methods. Selection of auditors and conduct of audits shall ensure objectivity and the impartiality of the audit process.