R.I. Gen. Laws § 23-19.6-7
The director shall designate Rhode Island state motor vehicle inspection facilities and any other facilities it deems appropriate which are safe and conveniently located and which agree to serve as collection facilities for the deposit of used oil, at no cost to a person making the deposit. Each designated facility shall post and maintain a durable and legible sign readily visible in an appropriate place which indicates the facility is designated as a used oil disposal location. The designated facility shall install and maintain on the premises used oil collection containers, properly sheltered and protected to prevent spillage, seepage, or discharge of the used oil, and of sufficient size to handle returns of used oil and used oil containers. Each designated facility regularly shall remove and dispose or have removed and disposed by used oil collectors, the accumulated oil in a manner as required by law.
R.I. Gen. Laws § 23-19.6-7