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March 4, 1992


JAMA. 1992;267(9):1184. doi:10.1001/jama.1992.03480090032011

MMWR. 1991;40:819

In the article "Chlorine Gas Toxicity From Mixture of Bleach and Other Cleaning Products—California" (MMWR. 1991; 40:619-629, 646 and JAMA. From the Centers for Disease Control. 1991; 266:2529-2534), the threshold limit value (TLV) for chlorine stated in the first sentence of the second paragraph of the (CDC) Editorial Note was incorrectly given as 1 part per million (ppm).

The correct threshold limit value is 0.5 ppm, but a short-term exposure limit of 1 ppm was established for exposures not exceeding 15 minutes.1