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Q2. A. Discuss the possible reasons for the following changes in boiler water test results, and state what actions should be taken in each case: 1. Reduction in total dissolved solids and chemical reserves 2. Reduction in phosphate reserve, with increase in chlorides and total dissolved solids. 3. Reduction in alkalinity levels only. B. State why the complete results of boiler tests are logged or entered into a data retrieval system rather than a note being made of any particular result which may be outside set limits.