... Pursuing Perfection: Case Studies Examining Lean Manufacturing Strategies, Pollution Prevention, and Environmental Regulatory Management Implications August 20, 2000 and less risky economy ... value-added expenditures in pollution control, clean-up, and/ or disposal. Lean Manufacturing zeros in on waste (and, therefore pollution) through a systemic assessment of costs and values associated ... Boeing case studies, attached as Appendix A and Appendix B. The case studies describe various Lean efforts at Boeing’s Everett airplane assembly plant and Auburn Machine Fabrication Shop, and...