A filter that does not pass oil or oil vapors shall be installed in the air supply line between the compressor and potable water system when compressed air is used to pressurize the water tank system.
Cal. Health & Safety Code § 114227
Mobile Water and Wastewater Tanks
Added by Stats. 2006, Ch. 23, Sec. 2
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.