Requirements for engine coolant sold in state.

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  • (1) contains more than 10% ethylene glycol; and
  • (2) does not contain:
    • (a) denatonium benzoate within the following amounts:
      • (i) a minimum of 30 parts per million; and
      • (ii) a maximum of 50 parts per million; or
    • (b) a similar bittering agent that renders the engine coolant unpalatable if it meets or exceeds the degree of aversion as compared to denatonium benzoate at a concentration of 30 parts per million.




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