The air we breathe in the lower atmosphere is not primarily composed of oxygen. Instead it contains 78% nitrogen, 21% oxygen and less than 1% gases like argon and carbon dioxide.
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The District is conducting a 30-day Public Comment period to comply with District regulations and State law (Waters Bill) for the General Services Administration's proposed project (Permit Application Number 19504) to install a Natuaral Gas fired Microturbine at the Phillip Burton Federal Building in San Francisco, CA.