In this chapter, the following terms have the meanings indicated. Terms Defined. “Award” means the decision by the Service to execute a contract. “Bid” means a statement of price, terms of sale, and description of supplies, services, or construction offered by a bidder in response to an invitation for bids. “Bidder” means a person who submits a bid to the Service. “Board” means the Board of Directors of the Service. “Construction” means the process of building, altering, repairing, improving, or demolishing any structure, building, or other improvement to real property. “Day” means a calendar day. “Determination” means a written procurement decision made by an official or employee of the Service which is based upon written findings. “Director” means the Executive Director of the Maryland Environmental Service. “Emergency” means a sudden and unexpected occurrence or condition which management of the Service could not reasonably foresee and which requires an action to avoid or to mitigate damage to the environment or to health, safety, or welfare. “Invitation for bids” means a document used for soliciting bids. “Municipality” has the meaning stated in Natural Resources Article, §3-101(h), Annotated Code of Maryland. “Person” has the meaning stated in Natural Resources Article, §3-101(j), Annotated Code of Maryland. “Procurement” includes all functions that pertain to the process of buying, purchasing, or otherwise obtaining supplies, services, or construction, or leasing personal property as lessee. “Procurement officer” means a person authorized by the Director to administer contracts, or to make written determinations and findings with respect to contracts. “Professional services” means services provided by attorneys, engineers, architects, financial advisors, physicians, consultants, land surveyors, appraisers, and accountants. Proposal. “Proposal” means the response by an offeror to a request for proposals to obtain supplies, services, or construction. “Proposal” may include, without limitation, an offeror's price, a description of technical expertise, work experience, and other information requested in the solicitation. “Request for proposals” means a document used for soliciting proposals from offerors. “Respondent” means a bidder or an offeror. “Responsible” means a person who has the capability in all respects to dutifully perform fully the contract requirements, and the integrity and reliability that ensures good faith performance. “Responsive” means a bid or offer submitted in response to a solicitation that conforms in all material respects to the requirements contained in the solicitation. “Services” means the rendering of time, effort, or work, rather than the furnishing of a specific physical product other than reports incidental to the required performance. “Sole source procurement” means a procurement for a requirement that is available from only a single vendor. “Solicitation” means an invitation for bids, a request for proposals, or any other method or instrument used to communicate to potential bidders or offerors the Service's procurement needs. “Service” means the Maryland Environmental Service. “Supplies” means items of purchase which may include office goods, printing, building materials, equipment, parts, motor vehicles, tools, and equipment leases.