Schedule 1 Security of critical infrastructure Part 1 General amendments (b) consists of naturally occurring hydrocarbons, or a naturally occurring mixture of hydrocarbons and non-hydrocarbons, the principal constituent of which is methane; and (c) is suitable for consumption. general intensive care unit means an area within a hospital that: (a) is equipped and staffed so that it is capable of providing to a patient: (i) mechanical ventilation for a period of several days; and (ii) invasive cardiovascular monitoring; and (b) is supported by: (i) during normal working hours—at least one specialist, or consultant physician, in the specialty of intensive care, who is immediately available, and exclusively rostered, to that area; and (ii) at all times—at least one medical practitioner who is present in the hospital and immediately available to that area; and (iii) at least 18 hours each day—at least one nurse; and (c) has admission and discharge policies in operation. government business enterprise has the same meaning as in the Public Governance, Performance and Accountability Act 2013. health care includes: (a) services provided by individuals who practise in any of the following professions or occupations: (i) dental (including the profession of a dentist, dental therapist, dental hygienist, dental prosthetist and oral health therapist); (ii) medical; (iii) medical radiation practice; (iv) nursing; (v) midwifery; (vi) occupational therapy; (vii) optometry; (viii) pharmacy; (ix) physiotherapy; 16 Security Legislation Amendment (Critical Infrastructure) Act 2021 Authorised Version C2021A00124 No. 124, 2021