- (a) Except as provided in paragraph (b) of this regulation, each storage container shall be equipped with a liquid-level-gauging device by which the level of fluid in the storage container can be readily and reliably measured.
- (b) A liquid-level-gauging device shall not be required if the level of fluid in a storage container can be readily and reliably measured by other means approved by the secretary.
- (c) Liquid-level-gauging devices shall be locked or secured, in a safe manner, to protect against breakage or vandalism which could result in a discharge.
(d) External sight gauges shall be prohibited unless:
- (1) the gauge has a positive shut-off valve constructed from stainless steel;
- (2) all pipes or other plumbing components which connect the shut-off valve to the storage container shall be constructed from stainless steel;
- (3) the sight gauge's shut-off valve remains closed except when the amount of material stored in the storage container is being determined; and
- (4) the shut-off valve is located on the storage container in a location which is readily accessible and which conforms to the storage container manufacturer's specifications.
(Authorized by and implementing K.S.A. 1989 Supp. 2-1227; effective Jan. 14, 1991.)