Excerpt from Gas Bubble Disease: Proceedings of a Workshop Held at Richland, Washington, October 8-9, 1974; Cosponsored by Battelle, Pacific Northwest Laboratories, and U. S. Atomic Energy Commission Dawley and Ebel, 1974) but there are still many un answered questions regarding the effects of chronic low-level exposure on survival. Fish may be subjected to low levels of supersaturation in two ways. They may inhabit water areas where they cannot com pensate for gas saturation by sounding, or they may inhabit deep water areas where hydrostatic pressure offsets the effects of high gas levels. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.