of the amounts paid or incurred for lead paint abatement services during the taxable year with respect to the certified historic structure. (4) Definitions (A) Certified lead abatement supervisor The term certified lead abatement supervisor means an individual certified by the Environmental Protection Agency pursuant to section 745.226 of title 40, Code of Federal Regulations, or an appropriate State agency pursuant to section 745.325 of title 40, Code of Federal Regulations. (B) Certified inspector The term certified inspector means an inspector certified by the Environmental Protection Agency pursuant to section 745.226 of title 40, Code of Federal Regulations, or an appropriate State agency pursuant to section 745.325 of title 40, Code of Federal Regulations. (C) Certified risk assessor The term certified risk assessor means a risk assessor certified by the Environmental Protection Agency pursuant to section 745.226 of title 40, Code of Federal Regulations, or an appropriate State agency pursuant to section 745.325 of title 40, Code of Federal Regulations. (D) Lead-based paint hazard The term lead-based paint hazard has the meaning given such term by section 745.63 of title 40, Code of Federal Regulations. (E) Qualified contractor The term qualified contractor means a Lead-Safe Certified Firm or certified renovator under the Lead Renovation, Repair and Painting Program of the Environmental Protection Agency. (e) Radon abatement services (1) In general Subject to paragraph (2), the term radon abatement services means, in the case of a certified historic structure for which the indoor radon level is greater than 2 picocuries per liter of air, any radon abatement services performed by a qualified radon mitigation professional. (2) Limitation The term radon abatement services shall not include any services to the extent such services are funded by any grant, contract, or otherwise by another person or any governmental agency. (3) Documentation required No credit shall be allowed under subsection (a) with respect