(d) Precipitation sample test records required under s. ATCP 33.52 (4).
(2) Record retention. An operator shall retain the records under sub. (1) (a) for as long as the operator owns, operates or controls the storage facility. An operator shall retain the records under sub. (1) (b) to (d) for at least 3 years.
(3) Record location; inspection and copying. An operator shall retain the records under sub. (1) at the storage facility, or at the nearest local office from which the operator administers that storage facility. The operator shall make the records available to the department for inspection and copying upon request.