Explanatory notes
… Note. 1.‑ In this Chapter the expression “refined lead” means : Metal containing by weight at least 99.9 % of … this manner “bullion lead” or “work lead” is obtained; this contains a number of impurities, frequently including … acid or hydrogen chloride) and is therefore used in the construction of chemical plant. * * * Because of its low …Legal note
… Note. 1.‑ In this Chapter the expression “refined lead” means : Metal containing by weight at least 99.9 % of …