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2. U.S. government to give out free COVID-19 tests. Here's how ...

   www.aol.com/u-government-free-covid-19-214600104...

   The federal government will again provide free COVID-19 test kits to U.S. residents beginning next week. All households will be eligible to order four free tests starting Sept. 25, according to ...

3. Percent active chlorine - Wikipedia

   en.wikipedia.org/wiki/Percent_active_chlorine

   Percent active chlorine values have now virtually replaced the older system of chlorometric degrees: 1% active chlorine is equivalent to 3.16 °Cl. Taking the (reasonable) assumption that all active chlorine present in a liquid bleach is in the form of hypochlorite ions, 1% active chlorine is equivalent to 0.141 mol/kg ClO − (0.141 mol/L if ...

4. Calcium hypochlorite - Wikipedia

   en.wikipedia.org/wiki/Calcium_hypochlorite

   Calcium hypochlorite is an inorganic compound with chemical formula Ca(Cl O) 2, also written as Ca(OCl) 2.It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air.

5. Chlorine-releasing compounds - Wikipedia

   en.wikipedia.org/wiki/Chlorine-releasing_compounds

   Chlorine is a respiratory irritant that attacks mucous membranes and burns the skin. As little as 3.53 ppm can be detected as an odor, and 1000 ppm is likely to be fatal after a few deep breaths. Exposure to chlorine has been limited to 0.5 ppm (8-hour time-weighted average—38-hour week) by the U.S. OSHA. [9]

6. How to order free at-home COVID-19 tests from the government

   www.aol.com/news/order-free-home-covid-19...

   Americans can order free at-home COVID-19 test kits from the government. Here's everything you need to know to get free rapid tests for COVID testing at home.

7. Get four free at-⁠home COVID-⁠19 tests from the CDC - AOL

   www.aol.com/four-free-home-covid-19-143825274.html

   Every household may place an order to receive four free COVID-⁠19 rapid tests delivered directly to your home. ... Free at-home COVID-19 test kits are available from the U.S. government at www ...