limit but levels inside the apartment are even higher. the device registers between forty one and forty five parts per billion that roughly equates to more than eighty micrograms of n o two per cubic meter but how can that be they quickly pinpoint the likely cause the high levels are probably due to an ordinary gas boiler. when something burns and zero two is almost always formed as our experiment with normal household candles shows after about ten minutes the levels rise to seventy six parts per billion more than one hundred forty micrograms per cubic meter that s more than three times the legal limit for nitrogen dioxide in the air outside. if you cook with gas levels rise exponentially. making pasta with tomato sauce using two gas rings sends levels shooting up to more than
limit but levels inside the apartment are even higher. the device registers between forty one and forty five parts per billion that roughly equates to more than eighty micrograms of n o two per cubic meter but how can that be they quickly pinpoint the likely cause. the high levels are probably due to an ordinary gas boiler. when something burns and o two is almost always formed as our experiment with normal household candles shows after about ten minutes the levels rise to seventy six parts per billion more than one hundred forty micrograms per cubic meter that s more than three times the legal limit for nitrogen dioxide in the air outside. if you cook with gas levels rise exponentially. making pasta with tomato sauce using two gas rings sends levels shooting up to more than