Text: low concentrations of pah are also found in connection with forest fires. furthermore, analysis of soils with high content of organic material often indicates a natural background of hydrocarbons, and these can be confused with pah unless a gc-ms analysis is carried out to confirm identification of the hydrocarbons.

Correct capitalization: Low concentrations of PAH are also found in connection with forest fires. Furthermore, analysis of soils with high content of organic material often indicates a natural background of hydrocarbons, and these can be confused with PAH unless a GC-MS analysis is carried out to confirm identification of the hydrocarbons.

Text: at this time a teacher from a local school named schulz assisted in bernhard's education.

Correct capitalization: At this time a teacher from a local school named Schulz assisted in Bernhard's education.

Text: you can contact us year compose your own theme pack from 60 pieces or more.

Correct capitalization: You can contact us year compose your own theme pack from 60 pieces or more.

Text: after passing the cafeteria you will find the gift shop which is crammed with aquatic toys, fish toys, games etc.

Correct capitalization:
After passing the cafeteria you will find the gift shop which is crammed with aquatic toys, fish toys, games etc.