Open-top Mills, Tanks, Vats or Vessels

Section 215 Section 215.624  Open-top Mills, Tanks, Vats or Vessels No person shall operate an open-top mill, tank, vat or vessel, with a volume of more than 12 gallons for the production of paint or ink unless: a)         The mill, tank, vat or vessel is equipped with a cover which completely covers the mill, tank, vat or vessel opening, except for an opening no larger than necessary to allow for safe clearance for a mixer shaft.  Such cover shall extend at least ½ inch beyond the outer rim of the opening or be attached to the rim. b)         The cover remains closed, except when production, sampling, maintenance, or inspection procedures require access. c)         The cover is maintained in good condition, such that when in place, it maintains contact with the rim of the opening for at least 90% of the circumference of the rim.