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<br /> <br />20 <br /> 2. No tank or compartment thereof shall have an <br />inside horizontal dimension less than 24 inches. <br /> <br /> 3. Inlet and outlet connections of the tank shall be <br />submerged by means of baffles or sanitary tees. <br /> <br /> 4. The space in the tank between the liquid surface <br />and the top of the inlet and outlet baffles shall be <br />less than 20 percent of the total required liquid <br />capacity, except that in horizontal cylindrical tanks, <br />this space shall not be less than 15 percent of the <br />total required liquid capacity. <br /> <br /> 5. Inlet and outlet baffles shall be constructed of acid <br />resistant concrete, acid resistant fiberglass or <br />plastic. <br /> <br /> 6. Sanitary tees shall be affixed to the inlet or outlet <br />pipes with a permanent water-proof adhesive. <br />Baffles shall be integrally cast with the tank, <br />affixed with a permanent water-proof adhesive or <br />affixed with stainless steel connectors, top and <br /> bottom. <br /> <br /> 7. The inlet baffle, or sanitary tee, shall extend at <br />least six inches, but not more than 20 percent of <br />the total liquid surface and at least one inch above <br />the crown of the inlet sewer. <br /> <br /> 8. The outlet baffle, or tee, and the baffles between <br />compartments shall extend below the liquid <br />surface, a distance equal to 40 percent of the <br />liquid depth, except that the penetration of <br />indicated baffles or sanitary tees for horizontal <br />cylindrical tanks shall be 35 percent of the total <br />liquid depth. They also shall extend above the <br />liquid surface. In no case shall they extend less <br />than six inches above the liquid surface. <br />