Summary: Revises Tariff No. 18, pages 2 and 25 and adds an Appendix B expanding the areas in Skagit County where the company proposes to offer voluntary residential subscription yard waste collection service. The company currently offers this service to approximately 1,600 customers and the proposed filing would extend the service option to approximately 6,500 additional customers. The company serves approximately 17,000 residential and commercial customers in Skagit County, Northern Snohomish County, and Camano Island (Island County).