May be associated with the presence of sodium in drinking water when present in high concentrations. Often from saltwater intrusion, mineral dissolution, industrial and domestic waste. Deteriorates plumbing, water heaters, and municipal water-works equipment at high levels.
Cost basis is the original price paid for shares of a security plus or minus certain adjustments required by applicable tax rules such as adjustments with respect to reinvested distributions and sales charges.
Basis is the total cost of buying an investment or other asset, including the price, commissions, and other charges. If you sell the asset, you subtract your basis, also known as your cost basis, from the selling price to determine your capital gain or capital loss. If you give the asset away, the recipient's basis is the same amount as yours.