The U.S. Department of the Interior's Bureau of Land Management (BLM) awarded a $252,600.00 firm fixed-price purchase order contract to Mark T Bartholomew, doing business as Mark's Window Cleaning, for janitorial services for the BLM's Miles City Field Office in Montana. This is a total small business set-aside contract under North American Industry Classification System (NAICS) code 561720, with a five-year base period and four one-year option periods. The contract requires the use of environmentally friendly "green" cleaning products, compliance with Service Contract Labor Standards, and electronic invoicing. Quality assurance inspections will be conducted 1-4 times per month, with potential payment deductions for unsatisfactory performance.