Question: Put simply we have therefore decided to express the equivalency factor of a substance for toxic impacts as the amount of soil water or air needed if 1 g of the substance is to be diluted enough so as not to have toxic impacts
Please fix the punctuation.
Fixed: [Put simply, we have therefore decided to express the equivalency factor of a substance for toxic impacts as the amount of soil, water or air needed if 1 g of the substance is to be diluted enough so as not to have toxic impacts.]

Question: In the US censuses one sometimes see slightly different spellings of names for the various Kranholdpersons eg Gustav in the 1860census is listed as Gusti
Please fix the punctuation.
Fixed: [In the U.S. censuses one sometimes see slightly different spellings of names for the various Kranhold-persons, e.g. Gustav in the 1860-census is listed as Gusti.]

Question: For a look at what Festival is next on the schedule head to Events page
Please fix the punctuation.
Fixed: [For a look at what Festival is next on the schedule, head to Events page.]

Question: In 1829 he breaks with Pettoletti and works with the Prices in Vesterbro
Please fix the punctuation.
Fixed:
[In 1829 he breaks with Pettoletti and works with the Price's in Vesterbro.]