Section R. 324.417 - Samples of drill cuttings and coresRule 417.
(1) A person who drills a well pursuant to R 324.201 or rules that were in effect before the effective date of these rules shall take and preserve, for the duration of the drilling, properly identified samples of the drill cuttings taken from the base of the drift to the total depth.(2) A permittee of a well shall take and preserve drift samples when specifically requested by the supervisor or authorized representative of the supervisor. The samples shall be available to the supervisor upon request.(3) When requested before the commencement of drilling, a permittee of a well shall deliver 1 complete set of drill cutting samples, washed and dried, to the supervisor within 90 days after drilling completion. Samples not requested may be disposed of in a manner approved by the supervisor upon drilling completion.(4) When a permittee of a well obtains whole cores or core samples during the drilling of a well, the permittee shall provide the supervisor with a minimum of 90 days notification of his or her intention to dispose of or destroy the whole cores or core samples. When requested by the supervisor, pursuant to the notification, the permittee shall deliver the whole cores or core samples to the supervisor within 90 days of the request.Mich. Admin. Code R. 324.417