<prompt> Translate the following text to SwahiliThe concentration of the metals, Al, As, Cr, Co, Cu, Fe, Pb, Ni, Zn, expressed as total metal, should not exceed 1 egL each, and Cd, Hg, and Ag, expressed as total metal, should not exceed 100 ngL each.  <response>: Kiwango cha madini Al, As, Cr, Co, Cu, Fe, Ni, Ni, Zn katika kila moja ya viungo vya mwili haipaswi kuzidi 1 mg kwa lita, na kila moja ya madini Cd, Hg, Ag katika kila moja ya viungo vya mwili haipaswi kuzidi 100 ng kwa lita. 