Lithium 19.3  Manganese 78.7  Molybdenum 55.1  Nickel 65.5  Rubidium 15.4  Selenium 14.3  Silver 12.1  Strontium 118  Thallium 20.2  Tin 16.3  Titanium 14.0  Uranium 28.7  Vanadium 46.4  Zinc 140  SRM - Mussel Tissue (Freeze-Dried), 25 g  Mass Fraction(a) (mg/kg)  Arsenic (As) 13.3 ± 1.8  Cadmium (Cd) 0.82 ± 0.16  Copper (Cu) 4.02 ± 0.33  Iron (Fe) 171.0 ± 4.9  Lead (Pb) 1.19 ± 0.18  Selenium (Se) 1.80 ± 0.15  Zinc (Zn) 137 ± 13  Methylmercury 28.09 ± 0.31  Total Mercury (Hg) 61.0 ± 3.6  Aluminum (Al) 134 ± 34  Chromium (Cr) 0.50 ± 0.16  Nickel (Ni) 0.93 ± 0.12  1  August 2020 EN-c4f_annexiitechspeciiitechoffer_en.docx  EN-c4f_annexiitechspeciiitechoffer_en.docx Page 51 of 76 