This chapter or any standard or regulation promulgated pursuant to this chapter shall apply to all employers and employees except:
(1) The federal government, including its departments, agencies and instrumentalities;
(2) Employees whose safety and health are subject to protection under the Atomic Energy Act of 1954, compiled in 42 U.S.C. §§ 2011-2296;
(3) Employees whose safety and health are subject to protection under the federal Coal Mine Health and Safety Act of 1969, compiled in 30 U.S.C. § 801 et seq., the federal Metal and Nonmetallic Mine Safety Act, codified as 30 U.S.C. § 725 [repealed], or title 59 of this code;
(4) Railroad employees whose safety and health are subject to protection under the federal Safety Appliances Act, compiled in 45 U.S.C. § 1 et seq. [repealed], or the federal Railroad Safety Act of 1970, compiled in 45 U.S.C. §§ 431-441 [repealed];
(5) Domestic workers; and
(6) [Deleted by 2015 amendment, effective July 1, 2015.]
(7) Any employee engaged in agriculture who is employed on a farm, each of the employees of which is related to the employer as spouse, child, parent, grandparent or grandchild.