; (2) heat-related illness; and (3) other respiratory or cardiovascular diseases determined by the Secretary, in consultation with the Assistant Secretary of Labor for Occupational Safety and Health, to be associated with methane emissions, high levels of smog, and exposure to particulate matter and volatile organic compounds. (b) Payment from trust fund The compensation under this section shall be paid from the compensation fund established under section 2. (c) Processing of claims The Secretary shall provide the compensation to which an individual is entitled under subparagraph (a) in the order in which claims for compensation are received. 4. Definitions In this Act: (1) Eligible worker The term eligible worker means any individual who— (A) either— (i) works or has worked within or around a oil and gas extraction or exploration site for not less than 1 year; or (ii) lives or has lived within 20 miles of such a site for not less than 1 year; and (B) works or has worked for an oil company engaged in oil and gas extraction or exploration or for a company contracted to perform those duties. (2) Family member The term family member means the spouse, son, daughter, or parent of an eligible worker, if such spouse, son, daughter, or parent lives or has lived within 20 miles of an oil and gas extraction or exploration site for not less than 1 year. (3) Oil company The term oil company means a company engaged in oil or natural gas exploration or extraction with annual revenue greater than $50,000,000. (4) Secretary The term Secretary means the Secretary of Labor. (5) Compensation fund The term compensation fund means the Energy Workers Health Compensation Fund established under section 2.