Carmago et al. (1992) noted that short-term flow fluctuations, low concentration of dissolved oxygen and also the siltation of suspended inorganic matter caused by industrial discharge contribute greatly to the changes in sediment and directly affect the structure of macroinvertebrate community. The high siltation of suspended inorganic matter caused significant reductions in taxa richness and abundance of zoobenthic communities as it changes the natural structure of the substratum. Other than that, the fluoride pollution which generated by the industrial discharge was also contributed to adverse effects on the macrobenthic community | Fish and Fishery Products Hazards and Controls Guidance Fourth Edition - APRIL 2011 DEPARTMENT OF HEALTH AND HUMAN SERVICES PUBLIC HEALTH SERVICE FOOD AND DRUG ADMINISTRATION CENTER FOR FOOD SAFETY AND APPLIED NUTRITION OFFICE OF FOOD SAFETY Fish and Fishery Products Hazards anc Controls Guidance Fourth Edition - April 2011 Additional copies may be purchased from Florida Sea Grant IFAS - Extension Bookstore University of Florida . Box 110011 Gainesville FL 32611-0011 800 226-1764 Or Or you may download a copy from http FoodGuidances You may submit electronic or written comments regarding this guidance at any time. Submit electronic comments to http . gov. Submit written comments to the Division of Dockets Management HFA-305 Food and Drug Administration 5630 Fishers Lane Rm. 1061 Rockville MD 20852. All comments should be identified with the docket number listed in the notice of availability that publishes in the Federal Register. . Department of Health and Human Services Food and Drug Administration Center for Food Safety and Applied Nutrition 240 402-2300 April 2011 Note This document was corrected on August 3 2011. The Agency corrected a typographical error appearing in the April 2011 version of this document. The Agency corrected 15 to so that the sentence in Chapter 11 Aquaculture Drugs now reads Sodium sulfite Used in a solution for 5 to 8 minutes to treat eggs in order to improve their hatchability.
