ReKRETE and CAAPS were awarded a Hong Kong Green Label by Green Council on the basis of an Efficacy and Environmental Impact Study by Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University. The report concluded that ReKRETE and CAAPS have been found effective in removing petroleum-based oil. They have very low toxicity to the aquatic life and insect samples being tested. The major end product and by-product due to the reaction from the mixture of ReKRETE and CAAPS with petroleum-based oil is carbon dioxide, which is biologically safe and environmentally friendly.

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