Toxicity reduction evaluation guidance for municipal wastewater treatment plants

OCLC Number: 55059147 Excerpt: ... Tables Table 2-1. Toxicants Identified in POTW Effluents....................................... 9 Table 2-2. Example POTW Design and Operation Data................................... 11 Table 2-3. Example Pretreatment Program Data......................................... 14 Table 5-1. POTW Wastewater Profile Analyses for a Refractory Toxicity Assessment........... 44 Table 5-2. Example of Bracketing the LC50 Concentration in the RTA Sewer Wastewater Test... 46 Table 5-3. Comparison of Control Test and Industrial Wastewater Spiked Test Results.......... 46 Table 6-1. An Example of the Comparison of In-Plant Ammonia Treatment Alternatives......... 55 Table 6-2. POTW In-Plant Control Technologies for Categories of Toxic Compounds........... 58 Table A-1. Comparison of Whole Effluent TUs and Methanol Fraction TUs................... 88 Table A-2. Summary of TIE Phase II Results............................................ 89 Table B-1. Summary of Results of Phase I TIE Conducted on Two Effluent Samples with D. excentricus........................................................... 94 Table B-2. NOECs Obtained for D. excentricus and S. purpuratus Exposed to Different Metals... 95 Table B-3. Comparison of Effluent Concentration of Selected Metals with NOECs Derived from Laboratory Studies with D. excentricus....................................... 95 Table B-4. Comparison of NOECs, LOECs, and Percent Fertilization Obtained with D. excentricus Exposed to Effluent and Seawater Spiked with Cu.............................. 96 Table B-5. Percent Fertilization Obtained with D. excentricus Exposed to Effluent and Effluent Spiked with Cu.......................................................... 96 Table C-1. Chronic Toxicity of Raw Industrial Wastewaters................................ 99 Table C-2. Description of Industries Evaluated in the RTA................................. 99 Table C-3. Comparison of Operating Conditions for the City of ...