 Trulieve Cannabis Corp. TCNNF, -1.70 TRUL, -3.22 said Thursday it reached a voluntary agreement with the Occupational Safety and Health Administration OSHA to complete a study by May 29 to determine whether ground cannabis dust is required to be classified as a hazardous chemical in occupational settings, according to OSHA regulations. For now, Trulieve will implement a temporary information and training program that alerts employees to potential allergic reactions from working with ground cannabis dust and steps workers should take if they experience symptoms. 