; and (3) hire and train laboratory personnel and other staff to conduct such mobile testing: Provided further , That such amount is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. Health Workforce For an additional amount for Health Workforce , $1,000,000,000, to remain available until September 30, 2022, to prevent, prepare for, and respond to coronavirus, of which $800,000,000 shall be for carrying out title III of the Public Health Service Act with respect to the health workforce and $200,000,000 shall be for carrying out section 846 of such Act: Provided , That of the amount made available under this heading in this Act for carrying out title III of the Public Health Service Act with respect to the health workforce, $100,000,000 shall be made available for purposes of providing public health services through a supplemental grant or grants to states currently participating in the NHSC State Loan Repayment Program notwithstanding section 338I(b) of the PHS Act, to make awards as authorized under section 338I(j) of the Public Health Service (PHS) Act, and notwithstanding the health professional shortage area requirements under 338I, the Secretary may develop rules needed to implement this proviso: Provided further , That for purposes of the previous proviso, notwithstanding section 338I(d)(2) of the PHS Act, no more than 10 percent of funds made available in such supplemental grants may be used by the state for administration of the State Loan Repayment Program in that state: Provided further, That for the purposes of these funds, the term primary health services and primary health care services as referenced in section 338I of the PHS Act, includes public health services, as defined by the Secretary: Provided further , That such amount is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act