“…Technical HCH 3 to 11 mg/l in vitro (mammalian cells) (Tiemann, 2008) α-HBCD 0.064 µg/l in vitro (mammalian cells) (Ibhazehiebo et al, 2011) Ecotoxicity Acute toxicity Highly toxic to freshwater fish (UNEP, 2006) Highly toxic to aquatic invertebrates (UNEP, 2006) Moderately toxic to birds and mammals (CEC, 2006) Highly toxic to algae (IPCS, 1992;Schafer et al,1994) Toxic to freshwater fish embryos (Deng et al, 2009) Toxic to aquatic invertebrates (ECHA, 2008) No data on acute toxicity to birds and mammals Highly toxic to algae (Desjardins et al, 2005) Chronic toxicity Aquatic biota (UNEP, 2006) Aquatic biota (EC, 2008) Inhibition of growth and survival In daphnids and fish (Ferrando et al, 1995;Gorge and Nagel, 1990) In daphnids and fish (Drottar and Kruegar, 1998;Drottar et al, 2001) …”