Recycling If this Agreement provides for the purchase or use of goods specified in PCC 12207 (for example, certain paper products, office supplies, mulch, glass products, lubricating oils, plastic products, paint, antifreeze, tires and tire-derived products, and metal products), this section is applicable with respect to those goods. Without limiting the foregoing, if this Agreement includes (i) document printing, (ii) parts cleaning, or (iii) janitorial and building maintenance services, this section is applicable. Contractor shall use recycled products in the performance of this Agreement to the maximum extent doing so is economically feasible. Upon request, Contractor shall certify in writing under penalty of perjury, the minimum, if not exact, percentage of post consumer material as defined in the PCC 12200, in such goods regardless of whether the goods meet the requirements of PCC 12209. With respect to printer or duplication cartridges that comply with the requirements of PCC 12156(e), the certification required by this subdivision shall specify that the cartridges so comply.