#FFFFFF Developed in case milestones in the primary Nitrogen Reduction Plan aren’t reached. Nitrogen Deposition Reduction Plan (NDRP) Contingency Plan Final Version: Contingency Plan Amendment Sheet. Contingency Plan Appendix A: National Agricultural Statistic Service. Contingency Plan Appendix B: Monitoring and Tracking Wet Nitrogen Deposition. Support Document: Agriculture Work Group Contingency Plan.