Summary
Oxygen conditions in the main part of the Hanö Bight, east of Öland and around the Midsjö Banks were good. In the Northeastern part of the Bornholm Basin oxygen concentrations were below 2 ml/l at depths exceeding 55 m. Below 70-80 metres depth, both west and east of Gotland, oxygen concentrations were below 2 ml/l. Hydrogen Sulphide was found at one station west of Gotland at depths exceeding 100 metres.