Still fairly high IMO. NANOCO is still using Cadmium. Is their something wrong with their production of Cadmium free Q-Dots? I will not be very long before the EU completely bans the use of Cadmium in "Anything". http://hkmb.hktdc.com/en/1X0A2NSB/hktdc-research/European-Parliament-Rejects-Proposed-RoHs-Amendment-to-Allow-Continued-Use-of-Cadmium-in-TVs-Computer-Monitors. Regards Sunny:>)))