Paragraph 4

Table IVA shall be modified as follows—

(a)

under the column headed “Xi with R41” delete the last entry, that is, the words “concentration >5% R41 obligatory” ;

(b)

in the notes below the table, in paragraph (a)—

(i)

for each occurrence of the figure “10%” substitute the figure “5%” , and

(ii)

for the figure “5%” substitute the figure “0.2%” ; and

(c)

in the notes below the table, in paragraph (b)—

(i)

for the figure “20%” substitute the figure “5%” ,

(ii)

for each occurrence of the figure “5%” substitute the figure “0.5%” , and

(iii)

for the figure “1%” substitute the figure “0.02%” .