    Sentence & 8 A doichiometry of 1.03  is typical wben the FGD process Is  producing gypsum by-produd, while  a Soicbiometry of 105 is needed to  produce wade suitable for a landfill.    Sentence 2 A doichiometry of 1.03 Is  typical when tbe FGD process is not  producing gypsum by-product