The Mayor and the Business Administrator shall establish
and approve uniform standards for requisitions and purchases. The
Department of Administration, in consultation with other appropriate
department directors, shall control the delivery of all supplies,
materials, equipment and other items purchased and may make or cause
to be made proper test checks and inspections thereof. The Department
of Administration, in consultation with other appropriate department
directors, shall ascertain whether the supplies, materials, equipment
and other items purchased comply with the specifications and shall
cause laboratory or other tests to be made whenever in the opinion
of the applicable director it is necessary to determine whether the
materials or supplies are of a quality and standard required.