; (ii) diversity of training participants; (iii) number and percentage of participants obtaining certifications or credentials required for specific types of employment; (iv) employment outcome, including job placement and job retention rates and earnings, using performance metrics established in consultation with the Secretary of Labor and consistent with metrics used by programs under the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3101 et seq.); and (v) to the extent practical, evidence that the program did not preclude workers that participate in training or registered apprenticeship activities under the program from being referred to, or hired on, projects funded under this chapter. (3) Funding From administrative funds made available under section 104(a), the Secretary shall deduct such sums as necessary, not to exceed $10,000,000 in each fiscal year, for the administration of this subsection. Such sums shall remain available until expended. (4) Nonapplicability of title 41 Subsections (b) through (d) of section 6101 of title 41 shall not apply to contracts and agreements made under the authority granted to the Secretary under this subsection. (5) Use of surface transportation and national highway performance program funds Notwithstanding any other provision of law, not to exceed ½ of 1 percent of funds apportioned to a State under paragraph (1) or (2) of section 104 may be available to carry out this subsection upon request of the State transportation department to the Secretary. . 1612. Work zone safety Section 504(e)(1) of title 23, United States Code, is amended— (1) by redesignating subparagraphs (F) and (G) as subparagraphs (G) and (H), respectively; and (2) by inserting after subparagraph (E) the following: (F) tuition and direct educational expenses or other costs of instruction related to the work zone safety training and certification of employees of State and local transportation agencies and surface transportation construction workers