Landspray While Drilling (LWD). Disposal on Forested Public Lands (DFPL). Sump Suitability Assessments. Sump Liner Installation. Drilling Waste Sampling, Analyses, and Directive 050 Disposal Plan Generation. Mix-Bury-Cover Supervision. Landspread Supervision. Pump-off Disposal (Clear Fluids Disposal). Toxic Sump Treatment. Advanced Drilling Fluids Disposal Management (Approvals, Post-Sampling, etc.). Class II Landfill Disposal (Application for Approval, and Disposal Coordination). Drilling Waste Treatment.