There was a Reddit post a while back asking about terrifying sounds. Someone mentioned that at their workplace they work with deadly chemicals. There was a specific alarm that meant there has been a massive chemical leak. If you can hear this, you don’t have time to make it to safety. Don’t bother running. Call your family and tell them you love them.Submit your stories: popmediaagency@gmail.com Visit Mint Mobile for great deals on mobile plans and devices: mintmobile.com/popGo to HelloFresh.com/redditexplains60 and use code redditexplains60 for 60% off plus free shippingOur Instagram page: @reddit_explains