Ecotoxicological tests. Table 6 shows the results of acute toxicity tests carried out by accredited testing
laboratory ALS, the Czech Republic (ALS Group). Ecotoxicological tests are one of the most expensive and time
consuming tests. Within the requirements for the use of waste on surface, Regulation No. 294/2005 sets out the
requirements for ecotoxicological tests results, according to which waste can be classified as category I or II.
Based on the assessment results with the requirements specified in the relevant regulation it can be concluded that
all three SPs prepared according chosen solidification formulas met these requirements.