Each business entity and public unit shall make a record of the following information for every lead abatement project which it performs: Name and address of the contractor responsible for the project; The location and description of the project, and location of lead-based substances within the work area which was abated; Starting and completion dates of the lead abatement project; and Summary of abatement techniques used to comply with Regulations .04—.08 of this chapter. Each business entity and public unit shall: Retain the record required to be made under §A of this regulation for 6 years from the date of the completion of the lead abatement project; and Make this record available to the Department upon request. This regulation does not apply to owner-occupied dwellings in which abatement is being done by the owner.