As part of the regular monitoring of water quality at ten sites managed by the Foundation ‘Archaeological Park: Bosnian Pyramid of the Sun’ in Visoko, Bosnia analasys of water from the prehistorical Underground Labyrinth Ravne was also carried out. It is water bottled and sold by the Foundation as a pyramid souvenir. Samples were taken by an employee of the Cantonal Institute for Food, Health and Safety from Zenica on August 8, 2019 and submitted to the Institute’s Chemical Diagnostics Service.
The results of the physico-chemical tests are as follows:
– The water temperature at the time of sampling was 11 degrees, and at the moment of submission to the Institute 22 degrees.
– The condition of the sample was satisfactory.
– The test was conducted on August 8, 2019.
– The organoleptic has determined that the sample is colorless and odorless, as required by the standards
– Ph value is at a great level of 7.49
– Residual chlorine is 0 (allowed up to 0.5 mg / l)
– Chlorides are 12.42 mg/l of the permitted 250 mg/l
– Ammonia is at the level of 0.088 mg/l and the permitted level is 0.5 mg/l
– No nitrite in the sample (allowed up to 0.5 mg/l)
Conclusion of the physico-chemical tests: water is acceptable to consumers.
The Microbiology Service showed the following results:
– The state of the sample as of August 13, 2019 is satisfactory
– The total number of coliforms is 0
– The total number of Escherichia coli is 0
– The total number of fecal streptococci is 0
– Total number of aerobic mesophilic bacteria is 0 cfu/ml (44 + 4h, 36 deg C), up to 20/ml is allowed
– Total number of aerobic mesophilic bacteria is 0 cfu/ml (68 + 4h, 22 deg C), up to 100/ml allowed
The Foundation continues its continuous periodic water analysys and informs the public in a timely manner.
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