This is a market research survey, not a solicitation, seeking qualified sources to supply liquid propane gas to the USGS Conte Research Lab in Turners Falls, MA. The requirement involves ongoing automatic deliveries 4-6 times per year, with average annual usage of 18-20K gallons (potentially up to 30K gallons), and access is limited by bridge weight restrictions requiring smaller bobtail trucks. Small businesses, including 8(a), HUBZone, SDVOSB, WOSB, and EDWOSB firms, are highly encouraged to respond. Responses are due by May 13, 2026, at 10:00 AM Eastern Time. No budget amount is specified.