Document: NUREG-1555
Document ID: b5d0daf9-9138-4935-a8fb-b1fed4498171
Document Type: esrp
Title: DISCHARGE SYSTEM
Source: NUREG-1555
Source URL: https://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1555/initial/
Revision Date: 2007-10
Chapter: 5
Section ID: 5.3.2
CFR Part: 
CFR Title: 

Content:
erage conditions. (5) Determine if losses of either resident or migratory species will occur given proposed specifications for chemical releases. (6) Evaluations of chemical impacts should address the following: ` the possible environmental effect of certain chemicals, like chlorine (hypochlorite), chlorination byproducts, other biocides, and scale and corrosion inhibitors ` alternatives to the biocide treatment of condenser tubing. NUREG-1555 5.3.2.2-10 October 1999 Physical Effects The reviewer should consider species in the vicinity of the station and their susceptibility to physical effects. (1) Consider the following parameters: ` reduction in density, species composition, and community structure of the benthos ` loss or alteration of habitat ` alteration of migratory pathways. (2) Consider the potential effects of the following on habitat loss and species composition ` altered current patterns ` current velocity ` littoral drift ` scouring ` siltation ` increased turbidity ` gas supersaturation (gas-bubble disease) ` low dissolved oxygen ` predation ` parasitism ` disease among organisms exposed to sublethal stresses. (3) Note effects associated with loss or alteration of habitat and the resultant potential reduction in species composition and community structure. (4) Evaluation of physical impacts should address the following: ` potential loss or alteration of unique habitat ` potential effects of altered migratory pathways ` potential effects of other biotic changes. IV. EVALUATION FINDINGS Input to the EIS should (1) a list of adverse impacts of cooling system discharge operation to aquatic ecosystems, (2) a list of impacts for which there are measures or controls to limit adverse impacts and the associated measures and controls, (3) the applicant’s commitments to limit these impacts, and (4) the staff’s evaluation of the adequacy of the applicant’s measures and controls to limit adverse impacts. This information will be summarized by the reviewer of