ocr: not bright white, it distorts and muddies the color photographs. Are there no alternatives to chlorine bleaching? The industry is exploring several other bleaching methods. One of the mills that supplies paper to NATIONAL GEOGRAPHIC, for example, has switched from elemental chlo- rine to chlorine dioxide, which reduces organochlorines dramatically, Other mills are spending millions of dollars each to follow suit. They soon may not have a choice, because the EPA is considering regulations that would prohibit the use of elemental chlorine in any mill. ALK to an average. Japanese citizen about pa ...
