 Greene claims that Explosin which Tarnovshi administered to himself, was contaminated with traces of a prohibited substance under WADA regulations.On August 19, 2016, in a press release, the Olympic Committee of Moldova stated that the prohibited substance in Tarnovschi's urine sample was the Growth Hormone Releasing Peptide.In an article from November 3, 2016, a Moldova news agency Unimedia stated that the B sample of Tarnovschi's urine also tested positive for GHRP 2.