The nucleus loses an alpha particle, which takes two protons and two neutrons out of the nucleus. This reduces the isotope number by four, and the atomic number by two. An exa â¦ mple is the alpha decay of thorium-232 (atomic number 90) to radium-228 (atomic number 88).
A raze permit is authorization for complete demolition of a building or structure. A raze permit may also be required if most of a building is to be demolished. HPO clearance of raze applications safeguards against demolition of historic properties by accident or without proper public notice.
State VOC regulations have to at least meet a level of stringency we call RACT, or Reasonably Available Control Technology. RACT is defined as the lowest level of emissions that can be achieved taking into account technical and economic considerations.