Cost premiums for environmentally preferable products will vary depending on the nature of the product and available manufacturers; however, the prerequisite allows the project building to determine whether or not an alternative purchase is economically f

Cost premiums for environmentally preferable products will vary depending on the nature of the product and available manufacturers; however, the prerequisite allows the project building to determine whether or not an alternative purchase is economically feasible. The prerequisite defers to the judgment of the project team to define an econmic feasibility standard.