11. In Part A of Section 2.2 (non-ferrous metals)(1)—
(a)in paragraph (c)—
(i)after the words “any non-ferrous metal” there shall be inserted the words “(other than the electrolytic refining of copper)”;
(ii)for “(a), (c) or (d)” there shall be substituted “(a), (c), (d) or (g)”;
(b)in paragraph (d) for “(b), (c) or (d)” there shall be substituted “(b), (c), (d) or, except in the case of a process which produces any nickel alloy, (g)”;
(c)for paragraph (e) there shall be substituted the following paragraph—
“(e)Any process for producing, melting or recovering by chemical means or by the use of heat lead or any lead alloy, if—
(i)the process may result in the release into the air of particulate matter or smoke which contains lead; and
(ii)in the case of lead alloy, the percentage by weight of lead in the alloy in molten form exceeds 23% if the alloy contains copper and 2% in other cases.”;
(d)in paragraph (ee)(2), the words “producing or” shall be omitted;
(e)for paragraph (f)(3) there shall be substituted the following paragraph—
“(f)Any process for producing, melting or recovering (whether by chemical means or by electrolysis or by the use of heat) cadmium or mercury or any alloy containing more than 0.05 per cent by weight of either of those metals or of both of those metals in aggregate.”;
(f)in paragraph (g)—
(i)after the words “involving the” there shall be inserted the words “manufacture or”;
(ii)at the end there shall be inserted the following—
“; but a process does not fall within this paragraph by reason solely of its involving the melting of an alloy of beryllium if that alloy contains less than 0.1 per cent by weight of beryllium in molten form and the process falls within a description in paragraph (a), (d) or (g) of Part B of this Section.”;
(g)in paragraph (h), for the word “cable” there shall be substituted the words “scrap cable”;
(h)paragraph (j) shall be omitted;
(i)at the end there shall be added the following paragraph—
“(k)Pelletising, calcining, roasting or sintering any non-ferrous metal ore or any mixture of such ore and other materials.”.