ML19246B817
| ML19246B817 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 05/31/1979 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| NUDOCS 7907180650 | |
| Download: ML19246B817 (41) | |
Text
,
ENVIRONMENTAL IMPACT APPRAISAL SUPPORTING ISSUANCE OF OPERATING LICENSES FOR THE TENNESSEE VALLEY AUTHORITY 'S SEQUOYAH NUCLEAR PLANT, UNITS 1 AND 2 DOCKET N05. 50-327 AND 50-328 s
Published May 1979 344 228 U.S. NUCLEAR REGULATORY COMMISSION 0FFICE OF NUCLEAR REACTOR REGULATION 40 1 9 0'7 1 6
LIST OF TABLES No.
Title Page 1
Calendar Dates and Hydraulic 14 Entrainment Rates -- 1976 Preoperational Entrainment Study for Sequoyah Nuclear Plant 2
Number and Relative Abundance of Fish 15 Larvae Collected Adjacent to Sequoyah Nuclear Plant in 1976 3
Estimated Annual Transport and Entrainment 17 of Fish Larvae and Eggs, Sequoyah Nuclear Plant, Chickamauga Reservoir, Tennessee, 1976 LIST OF FIGURES 1
Plant Layout 18 REFERENCES AND SUPPORTING MATERIAL 19 3'44 229 i
APPENDICES A
Public Notice and Fact Sheet for A-1 Proposed National Pollutant Discharge Elimination System (NPDES) Pennit, Sequoyah Nuclear Plant O
e e
344 230 ii
ENVIRONMENTAL IMPACT APPRAISAL BY THE DIVISION OF SITE SAFETY AND ENVIRONMENTAL ANALYSIS SUPPORTING ISSUANCE OF OPERATING LICENSES FOR THE TENNESSEE VALLEY AUTHORITY'S SEQUOYAH NUCLEAR PLANT, UNITS 1 AND 2 DOCKET Noc.00-327 AND 50-328 DESCRIPTION OF PROPOSED ACTION The proposed action is issuance of licenses to the Tennessee Valley Authority (TVA) for opera + ion of the Sequoyah Nuclear Plant, Units 1 and 2 (Sequoyah).
This action is supported by the following previous enviromnental reviews and decisions:
(1) TVA's Final Environmental Statement (FES), (2) an evidentiary hearing held in July 1974, (3) the Initial Decision of the Atomic Safety and Licensing Board (ASLB), and (4) affirmation of the Initial Decision, as modified, by the Atomic Safety and Licensing Appeal Board (ASLAB).
In this Environmental Impact Appraisal (EIA), the staff presents its findings from the review of new information including:
(1) environmental data from TVA's preoperational monitoring program; and (2) identified changes to the design or proposed operation of Sequoyah as provided by TVA in their October 30, 1978 submittal.
In reviewing the new information, the staff identified four issues which presented potential for greater impact than previously assessed or which had not undergone previous staff review.
The four issues are:
(1) relocation of the Essential Raw Cooling Water (ERCW) intake; (2; revised estimate of ichthyoplankton entrainment; (3) chlorination for biocide treat-ment of water systems; and (4) definition of the thermal mixing zone.
Each of the issues involve potential impacts on water quality and aquatic 344 231
2 biota due to plant intakes or effluent discharges.
Since these matters are regulated by the EPA under the Clean Water Act, the staff has communicated its concerns to EPA-Region IV for consideration in the drafting of the National Pollutant Discharge Elimination System (NPDES) pemit.
Through communications with EPA-Region I'.', the staff has determined that each of the identi#ied issues are mutually recognized as requiring control through the NPDES permit or other requirements of the Clean Water Act.
Specific effluent controls are proposed in the Draft NPDES pemit (Appendix A).
The pemit also requires an EPA-approved monitoring program for the purpose of demonstrating, pursuant to Sections 316(a) and 316(b) of the Clean Water Act, that operation of the Sequoyah plant meets thc performance standards for intakes and themal discharges which have been promulgated by the EPA.
ENVIRONMENTAL TMPACT OF THE PROPOSED ACTION The environmental impact of the proposed operation of Sequoyah, as described in the FES, has been reconsidered by the staff on the basis of new infomation.
Four issues were identified which presented potentials for greater impact than had been previcusly assessed or which had not been reviewed by the s taf f.
These issues are addressed specifically below. Other changes in the Sequoyah design and operation, since 1974, have been adequately reviewed in TVA's subsequent submittals and are not reconsidered in this EIA, 344 232 (1) Relocation of the Essential Raw Coolina Water (ERCW) Intake The plant, as originally proposed, would have been operated only in the once-through cooling mode.
For the original design, the Condenser Cool-ing Water (CCW) and ERCW intakes were both to be located in~ the single Intake Pumping Station (IPS), located at the landward end of an intake
- embaymeit.
The intake embaymer.t is formed by a skimmer wall structure, located as shown in Figure l'.
For a temporary period of about one year, Unit I will be operated only in the once-through cooling made and with use of the original ERCW intake located in the IPS.
Redesign of the plant to incorporate alternative cooling modes was nec-essitated by the adoption of more stringent themal criteria than were being proposed at the time of initial planning and design of the Sequoyah plant. The use of combined-cycle cooling towers was proposed as the means to assure compliance with the more stringent thermal criteria.
- However, TVA noted that the alternative use of closed-cycle cooling would uitimately require the relocation of the ERCW intake (FES, p. 2.6-5).
Two r.1 ter-native locations were being considered by TVA a+,
the time of FE',
issuance (Figure 1).
In its submittal dated October 30, 1978, TVA indicates the selection of
" Alternative No.1" as the pemanent or "new" ERCW station location and provides an assessment which compares the potential impacts of the "new" ERCW station with the "old" ERCW station. TVA concludes that "[w]hile minimal impacts are expecte'd with the use of either of the systems
[ERCW stations], a comparative evaluation indicates a somewhat greater impact potential with the use of the old ERCW station." The staff con-siders the validity of this conclusion in its independent assessment, which follows.
For the temporary period of Unit ' operation with the "old" ERCW station located in the IPS, total flow through the IPS will be approxim 1
4 579,000 gpm (s97%). The ERCW flow is 17,000 gpm (s3%). Average intake velocities through the forebays and traveling screens of the IPS are 1.2 fps and 2.3 fps, respectively, when flow is 579,000 gpm.
(These velocity values are based on a water level in Chickamauga Reservoir at the normal minimum pool elevation of 675.0 ft, msl.) The per cent con-tributions to total velocity of the CCW and ERCW systems are in the same ratio as are the flows; i.e., 97% to 3%, respectively.
For two unit operation, once-through or helper, the CCW flow through the IPS will be approximately doubled (sl.1 million g n).
The average intake velocities will remain essentially the same (i.e.,1.16 rp: and 2.23 fps through the forebays and screens).
The ERCW flow will also be doubled (34,000 gpm) for two-unit operation but the intake will be relocated to the "new" ERCW station in the skimmer wall structure (see Figure 1). The intake velocities associated with the "new" ERCW station are 0.23 fps and 0.55 fps through the approach conduits and traveling screens, respectively.
During closed-cycle coeration, intake ficw requirements are reduced substantially, i.e., to about 6% of the circulating water flow.
How-ever, this mode of operation is expected to be used quite infrequently (14% of an," calendar year) as compared to expected operation with once-through ( L ?) and helper cooling ( 16%). TVA has assessed the impacts of the plant intakes on the basis of two unit operation in the once-through or helper modes. The staff concurs in this basis for assessment because of the likelihood that, in some years, closed-cycle mode may never be required to meet the thermal criteria.
b bk
- During operation in the once-through or helper modes, any environmental effects of the Sequoyah intakes will be predominantly those associated with the CCW system.
This staff conclusion is basea cc. a consideration of the flow rates and intake velocities at the IPS s co the CCW intake.
The CCW intake flow requirement (two units) represents about 7% of the mean annual reservoir flow past the plant. During the major spawning period, the hydraulic entrainment may be twice this mean annual value.
(See next section for revised estimate of the potential ichth-yoplankton entrainment rate.) The intake velocities at the IPS e e considered high in comparison to more recent intake designs. A rule of-thumb design basis velocity is 1.0 fps or less for providing r atection of fish from intake impingement.
Intake velocities on the order of 0.5 fps or below are generally regarded as more protective in regard to both impingement and entrainment.
The "new" ERCW intake design provides the latter pro-tection and is expected to perform acceptably.
The finding above, does not imply that plant intake effects will be minimized.
Relocation of the ERCW intake is not expectel to decrease the losses
^
at Cie Intake Pumping Station (IPS) by any measurable amount because:
(a) neither the volumetric flow rate nor the intake velocities at the Intake Pumping Station are appreciably reduced by the relocation; and (b) both volumetric flow rate and intake velocities at the I$S 4
at high values af ter the relocation.
, Intake losses are influenced by many factors and cannot be predicted with certainty based on preoperational data.
_A, priori assessments are often based on engineering design factors, including intake flow rates (volumes and velocities), and on the extrapolation of operating experience gained at existing intakes.
For intakes which have unique design features and which are located on source waterbodies absent of existing intakes, operaticnal monitoring is usually necessary to demonstrate the accept-ability of the intake design.
EPA is requiring such a demonstration program for Sequoyah pursuant to Section 316(b) of the Clean Water Act.
The staff concurs that an operational demonstration is appropriate for Sequoyah.
Significant adverse impacts are not expected to be incurred however an operational demonstrction is appropriate to support this conclusion. Also, the Sequoyah design, with multi-mode cooling alter-natives, allcws for additional controls by EPA, if necessary, to ensure acceptable operation of the Sequoyah intakes.
344 236 (2) Revised Estimate of Ichthvoplankton Entrainment TVA evaluated the potential for entrainment in the FES (pp. 2.6-14) through 2. 6-17, 3.0-5, 7.12-32 and 33, 8. 2-1 through 8. 2-3 and 8. 3-3).
Since site specific data were very limited, TVA estimated fish entrain-ment based on larval fish data from Wheeler Reservoir on the Tennessee River in Alabama.
Extrapolating these data to Chickamauga Reservoir, TVA estimated an average density of 29.59 larval fish per cubic meter for a 91 day period, April 27 to July 27.
Assuming a daily withdrawal of 6.125 6
3 (2 units once-through), TVA ectimated that 181 million larval x 10 m fish would be entrained over the 91 day period.
It was noted in the FES
. that this value might be an underestimate since larval fish had been observed in Chickamauga Reservoir before April 27th. Assuming a sur-vival to adulthood of 1 in 10,000 larval fish, the annual loss of 18,000 adult fish was expected. TVA did not believe this loss to be significant but indicated that the long-term effects could only be determined by intensive preoperational and operational monitoring of larval fish (FES, p. 8.2-3).
TVA noted that they have "...the capability to modify plant operation during critical periods should environmental monitoring indicate significant adverse effects on fish populations in Chickamauga Reservoi r" (FES, p. 8. 3-3 ).
Results of preoperational monitoring include new information on larval fish densities, allowing a reassessment of the entrainment potential with site-specific data.
In a preliminary draf t of the "Preoperational Fish-eries Report", TVA provided such a reassessment. Although this information was not included in the final report, TVA has confirmed the validity of the assessment (P. Hackney, personal statement during meeting at EPA-Region IV on January 25,1979).
fnerefore, the following assessment is based on information presented in the preliminary draft report.
The 1976 study was designed speciffcally to provide estimates of potential ent raintrent.
3iweekly collections were made at a transect adjacent to the plant site (Tennessee River Mile 485.0).
The sampling period was from March 18 to September 1.
Each biweekly collection included sample stratification by time of day (dawn, day, dusk, and night), by location along the transect (right shoreline, channel, and lef t shoreline) and by depth at the right shoreline (2 depths) and channel location (3 depths).
The zone of entrainment vulnerability is the deep channel stratum as a result of the skimmer wall and the "new" ERCW intake designs.
Sampling dates and the hydraulic entrainment rate (H= intake flow /ris er flow) for the sample dates in 1976 are given in Table 1.
Hydraulic entrainment ranged from 6.6% to 27.1% with an average of 10.9% for the 13 sampling days. The FES indicated that the flow through the condense at full plant load (2 units) was 7% of the mean annual river flow (FES, p. 2.6-17). From the standpoint of ichthyoplankton entrainment, use of the annual mean of 7% appears to be inappropriate as the basis for assessment. As indicated by the 1976 data, the hydraulic entrainment rates during the period of occurrence for ichthyoplankton averages 56%
more than the annual mean.
N imbers and relative abundance of fish larvae collected at the intake transect during 1976 are given in Taole 2.
The clupeids (shads and skip-jack herring) made up about 96% of the collected larvae for all stations combined and about 76% of collections at the channel deep station (zone of intake vulnerability). Estimated annual transpcrt, number entrained and per cent entrainment by taxon are given in Table 3.
Of the 14 identified taxa of larval fish vulnerable to entrainment, the es imated annual entrainment is greater thc.n 5% for eight taxa, equal to or greater than 10% for six taxa, and greater than 25% for 6
three taxa. The estimated total entrainment of 252 x 10 larval fish is of the same order of magnitude as previously estimated in the FES 6
(i.e.,181 x 10 ),
344 238
.g The staff is concerned that the estimated entrainment rates appear high for several taxa. Although the significance of the losses cannot be detennined with certainty based on preoperational data, the potential for unacceptable effects is recognized.
EPA is requiring intake studies as a part of the non-radiologica' operational program.
Results of these studies will provide the bases for mitigaH.e actions or other controls as may be determined necessar,' to assure protection of the aquatic environ-ment. An alternative is available through the design of Sequoyah to operate the cooling system in the closed-cycle mode on a seasonal basis.
The proposed schedule for cooling system operation is based on compliance with thermal standards; however, as noted by TVA (FES, p. 8,1-3) the capability exists for modifying plant operation during c"itical periods if adverse effects are indicated by the monitoring programs.
(3) Chlorination for Biocide Treatment of Water Systems In the FES (p. 2.5-3), TVA indicated that chemical treatment of the con-denser cooling water (CCW) system should not be necassary. At that time, the proposed method for condenser tube cleaning was an automatic ball-type mechanical system. Biocide control of Asiatic clams in the Raw 'coling Water (RCW) and Essential Raw Cov'ing Water (ERCW) systems was to be accomplished with acrolein (FES, p. 2.5-4).
Subsequent to issuance of the FES, acrolein was disallowed for use as planned and chlorination was selected by TVA as the substitute biocide treatment method (Amendment 53 to the Final Safety Analysis Report, Section 9.2.2.6).
The issue is raised here because the use of chlorination as proposed had not been reviewed previously by the staff.
The EPA has reviewed TVA's 344 239
' chlori,1ation plan and has proposed effluent 1 imitations in the draft NPDES pennit (attached).
EPA indicates
- that these limitations have been proposed to assure compliance with the Tennessee Water Quclity Standards.
By letter of February 15, 1979, TVA indicates that they will meet the effluent chlo'rine limit of 0.1 mg/1, proposed in the draf t permit.
Based on EPA's finding that the proposed chlorine effluent limitations will assure compliance with state water quality standards and on TVA's commitment to meet the proposed limitations, the staff concludes that no significant adverse impacts will result from the use of chlorination for biccide treatment of the water systems.
(4) Definition of th Themal 'tixina Zone In the FES, TVA cascribed the mu'.ti-mode cooling system and assessed the impacts of the themal discharges from Sequoyah.
The FES did not include the details of the thermal mixing zone, as now defined in the Draf t NPDES pemit. The issue is raised here becaut; the specific mixing zone was not reviewed previously by the staff.
The thennal mixing zone, as urrently proposco, is defined by the following:
"The receiving water shall not exceed (1) maximum water temperature change of 3 C (5.4 F) relative to an upstream can'.rol point, (2) a maximum temperature of 30.5 C (86.9 F), except whtn upstream temperatures approach or exceed this value, and (3) a maximum rate of change of 2 C (3.6 F) per hour outside of a mixing zone W kn Joes not exceed (l) a maximum length of 1500 feet downstream of the diffusers; (2) a maxinium width of 250 feet upstream of the diffusers. The depth of the mixing zone measured from the surface varies linearly from the surface 250 feet
%.5. UA-Region IV, Fact Sheet, attached to Draft NPDES pennit (No. TN0026450) for Sequoyah Nuclear Power Plant, Item 6.b.
See Appendix A.
344 240
. upstream of the diffusers to the top of the diffuser pipes and extends to the bottom downstream of the diffusers. The thermal mixing zone also includes the entire Intake Basin and Diffuser Pond."
(Draft NPDES Pemit, p.18, Footnote 1)
TVA will be required to demonstrate the acceptability of the thermal discharge, pursuant to Section 316(a) of the Clean Water Act. The Draf t Pemit specifies the compliance schedule for themal studies and non-radiological aquatic monitoring.
Results of these studies will provide a basis for additional controls by EPA, if necessary, to assure compliance with themal standards and to ensure that no adverse biological impacts are occurring.
AUTHORITY OF COOPERATING AGENCY Before operation of the Sequoyah Nuclear Plant, the Tennessee Valley Authority must obtain a National Pollutant Discharge Eliminatic.) System (NPDES) permit from the Environmental Protection Agency (EPA) under provisions of the Clean Water Act. Because the possible envircnmental impacts discussed above are such that necessary mitigating conditions and restrictions will be incorporated into the NPCES pemit as the proper exercise of EPA's authority under the Clean Water Act, the staff has detemined that no further action by NRC is requit.
In making its assessment, the staff has recognized the specialized expertise of the EPA, and the recognition of this agency's primary responsibility and authority in matters of environmental pollution control.
The staff has met with EPA and several discussions between technical personnel have resulted in a clear understanding of environmental pollution concerns and issues.
The staff further believes that any necessary condition of restrictive operation or the use of mitigative action to assure acceptable and minimal impact by the Sequoyah plant may best be incorporated into the NPDES pemitting proc 344 24
. where the total perspective of other regulatcry requirements such'as water quality standards and effluent guideline limitations are considered.
Recent decisions by the Atomic Safety Licensing Appeal Board (Tennessee Valley Authority, Yellow Creek Nuclear Plant Units 1 and 2, ALAB-515, December 27, 1978, 8 NRC 702) support the authority and use of the NPDES permit to reflect operating restraints and monitoring requirements to assure protection of the environment and minimization of impact.
In the process of issuance of the NPDES pemit for the Sequoyah facility, the EPA through its normal promulgation procedure will provide for ample public participation through a notice of intent to issue the pemit, and subsequently a period for public comment.
The NPDES pemit process will therefore present a wide forum for public evaluation of planned mitigative measures for envirorcental impact control, as well as assessment of any other issues of importance to the general public.
SUMMARY
AND CONCLUSION The staff as required under the National Environmental Policy :t (NEPA) and the NRC licensing procedure, has reviewed anticipated changes affecting environ-mental impact of the Sequoyah Nuclear Plant since issuance of the Final Environmental Sattement in February 1974 Information and assessment of these changes were submitted by TVA by Mr. J. E. Gilleland's letter of October 30, 1978 to Mr. Harold Denton, Director, Office of Nuclear Reactor Regulation.
Based on its review, the staff has detemined that all previcusly unreviewed issues of potential environmental consequence are amenable to acceptable impact control and have been addressed by the EPA in their draf ting of the 344 ~242
. NPDES pemit for operation of the Sequoyah plant. For the reader's reference, a copy of the draf t NPDES pemit is included as an integral part of this environmental impact appraisal (Appenoix A).
The staff has worked closely with EPA, Region IV. Atlanta in the development and preparction of the draf t NPDES pemit and pr3sently views the conditions and requirements of the pemit to be adequate to minimize environmental impact. Any changes that may result in the NPDES pemit prior to licensing will be reviewed by the staff and appropriate comments provided to EPA.
With incorporation of at least the conditions and limitations presently proposed by EPA for the NPDES pemit and TVA's acceptance of those conditions and limitations, the staff has determined based on its review that operation of the Sequoyah plant will have no signif-icant adverse impact - the environment beyond that describcd in the Final Environmental Statement prepared by the TVA in July 1974.
The staff therefore concludes that the appropriate action is issuance of the operating license for the Sequoyah Nuclear Plant, and that no additional environmental impact statement for the proposed action need be prepared.
Copies of supporting documents for this Environmental Impact Appraisal are available at the Commission's Public Document Room,1717 H Street, N.W.,
Washington, D.C. 20555, and at the Chattanooga - Mamilton County Bicentennial Library,1001 Broad Street, Chattanooga, TN 37402.
344 c43
, TABLE 1 Calendar Dates and Hydraulic Entrainment Rates 1976 ?reoperational Entrainment Study for Sequoyah Nuclear Plant Sampling Calendar Hydraulic Period Dates Entrainment Rate (%)
1 March 18-19 8.0 2
March 31-April 1 6.6 3
April 14-15 16.2 4
April 28-29 16.1 5
May 12-13 27.1 6
May 26-27 13.0 7
June 9-10 8.4 8
June 23-24 8.3 9
July 8-9 6.8 10 July 21-22 7.0 11 Au gu s t 4-5 8.2 12 August 17-18
- 7. 5 13 Auaust 31-September '
8.3 Mean for 13 sampling periods =
10.9 SOURCE:
From TVA (undated) "Preoperational Fisheries Report for the Sequoyah Nuclear Plant (Preliminary)". of letter from J. E. Gilleland to Edson G. Case, March 23, 1978.
Tabl e 7.1, p.146.
344'244 Table 2.
Number and relative abundance (percent) of fish larvae collected adjacent to Sequoyah Nuclear Plant in 1976.
All stations left overbank*
Channel Channel deep Right overbank Taxon N
Pe rcent N
Fe rcent
,N Percent N
Percent N
Pe rcent Unidentified fish 29
.04 12
.03 17
.08 Clupeidae**
76,122 93.81 41,241 93.07 15,243
- 93. 27 1,308 76.36 19,458 95.84 Dorosoma cepedianum 33
.04 27
.06 1
.01 5
_.02 D. petenense 1,686 2.08 1,423 3.20 46
.28 2
.12 217 1.07 Cypr i nida e*
- 321
.40 180
.29 61
.37 23 1.34 130
.04 Cyprinidae (Pimephales type)1 19
.02 4
.01 15
.07 Cyprindiae (atherinoides type)2 9
.01 7
.02 2
.01 Cyprinidae (volucellus buchana ni type)3 13
.02 11
.02 2
.01 Cyprinus carpio 43
.05 6
.01 22
.13 5
.29 15
.07 Notropis 15
.02 10
.02 3
.02 3
.18 2
.01 N. atherinoides 6
.01 2
2
.01 1
.06 2
.01 I[' buchanani 1
1
.01 1
.06 Pimephales 10
.01 1
9
.04 Ca tos tomidae*
- 18
.02 3
.01 8
.05 1
.06 7
.03 Catostromidae (Ictiobus/
Carpiodes type)4 3
3
.01 Ictalurus furcatus 14
.02 13
.08 10
.58 1
I. punctatus 9
.01 2
5
.03 4
.23 2
.01 Eabide_sthes sicculus 3
2 1
Morone (not saxatillis)5 1,004 1.24 584 1.31 335 2.05 46 2.69 85
.42 Lepomis 568
.70 353
.79 25
.15 4
.23 190
.94 (jaPomoxis 112
.14 52
.12 37
.23 2
.12 23
.11 as.Etheostomatinae 45.
(caprodes type)6 2
2 FNJSOURCE:
Fran TVA (undated), "Preoperational Fisheries Report for the Sequoyah Nuclear Plant", Enclosure 2 45=
of letter from J. E. Gilleland to Edson G. Case, dated thrch 23,1978, Table 7.5, p.151.
LJ)
Table 2 (Continued)
All stations Lef t overbank*
Channel Channel _ deep Right overbank Taxon N
Pe rcent N
Pe rcent N
Pe rcent N
Percent N
Pe rcent Perca flavescens 5
.01 1
3
.02 1
.06 1
Aplodinotus grud'niens 1,104 1.36 448 1.01 538 3.29 302 17.63 118
.58 lotal 81,149 44,504 16,343 1,713 20,302
- Combined catches for two netting stations.
1.
Cyprinid, possibly Pimephales. Hybopsis, or Nocomis.
- Not possible to identi fy further.
2.
Cyprinid, possibly Notropis ainerinoides.
- Less than 0.005 percent.
3.
Cyprinid, possibly Notropis volucellus or 11., buchanani.
4.
Catostomid, possibly Ictiobus or Carpiodes.
S.
Either Fbrone chrysops or M. mississippiensis, but not M. saxatilis.
6.
Darter, possibly Percina caprodes.
P P
Hr T
Table 3.
Estimated annual transport and entrainment of fish larvae and eggs, Sequoyah Nuclear Plant, Chickamauga Reservoir, Tennessee, 1976.
Number Numbe r Taxon Transported Entrained Percent Unidentified fish 1.480 E6 0
Clupeidac*
2.274 E10 2.348 E8 1.03 Dorosoma cepedianum 1.304 E7 0
D. petenense 6.187 E8 2.770 ES
.04 Cyprinidae
- 4.466 E7 4.464 E6 10.00 Cyprinidae (Pimechales type)1 2.708 E6 0
Cyprinidae (atnerinoides type)2 1.065 E6 0
Cyprinidae (volucellus/
buchanani type)3 2.014 E6 0
Cyprinus carpio 7.572 E6 7.581 E5 10.01 Notropis 7.173 E6 4.835 ES 6.74 N. ath7 inoides 1.637 E6 9.344 E4 5.71 II. buchanani 3.262 E5 8.801 E4 26.98 Fimephales 9.680 ES 0
Ca tos tomidae*
4.110 E6 1.912 E5 4.65 Catostomidae (Ictiobus/
Carpiodes type)4 1.339 E6 0
Ictalurus furcatus 4.263 E6 1.597 E6 37.46 I. punctatus 2.414 E6 6.439 E5 26.67 Eabloestnes sicculus 3.982 E5 0
Morone (not saxatilis)5 2.379 E8 8.059 E6 3.39 Lepomix 1,831 E8 6.303 E5
.34 Pomoxis 2.622 E7 3.544 E5 1.35 Etheostomatinae (caorodes type)6 1.025 E6 0
Perca flavescens 1.984 E6 Aplodinotus crunniens 4.414 E8 5.206 E7 11.79 Unidentified eggs 3.593 E6 1.071 ES 2.98 Aolodinotus crunniens eggs 1.905 E8 3.258 E7 17.10 Not possible to identify further.
One of five Perca flavescens collected was taken in the " zone of vulnerability" in a questionable data (not quantifiable) sample.
O.
None captured in semple stratum assumed to be vulnerable to entrainment.
1.
Cyprinid, possibly Pimephales, Hybopsis, or Nocornis.
2.
Cyprinid, possibl,' Notropis atherinoides.
3.
Cyprinid, possibly Notropis volucellusor N. buchanani.
}44 247 4.
Catostomid, possibly Ictiobus or Carpiodes.
5.
Either Morone chrysops or M. Mississipplensis, but not M. saxatilis.
6.
Darter, possibly Percina caprodes.
SOURCE:
From TVA, undated, "P-eoperational Fisheries Report for the Sequoyah Nuclear Plant (Preliminary)". of letter from J. E. Gilleland to Edson G. Case dated March 23,1978, Table 7.12, p.163.
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- References and Supporting Material
- 1.
Tennessee Valley Authority, Final Environmental Statement (FES), February 1974.
2.
Atomic Safety and Licensing Board, Evidentiary hearings transcript, July 30-31, 1974, Chattanooga, Tennessee.
3.
Atomic Safety and Licensing Board, Initial Decision, December 2,1974.
Atomic Sofety and Licer. sing Appeal Board Decision (ALAB-261), February 27, 1975.
4.
5.
Letter from Mr. J. E. Gilleland (TVA) of October 30, 1978 to Mr. Harold Denton (NRC) transmitting TVA report relating to environmental cnanges of environ-mental impact significance.
6.
U. S. Environmental Protection Agency, NPDES Draft Permit, March 15, 1979 (Public Notice No. 79TN0002).
7.
Clean Water Act of 1977.
8.
TVA, Final Safety Analysis Rt port Amendment 32 dated March 6,1978 9.
TVA, Final Safety Analysis Report Amendment 53 dat-d April 5,1978 10.
Atomic Safety and Licensing Appeal Board Decision (ALAB-515), Tennessee Valley Authority Yellow Creek Nuclear Plant, Units 1 and 2, December 27, 1978.
- 11. TVA, Preliminary Draf t, Preoperational Fisheries Report, March 1978.
344 249
- All references relate specifically to the Sequoyah Nuclear Plant, Unit Nos.1 and 2 (Docket Nos. 50-327 and 50-328), except references 7 and 10.
A-1 APPENDIX A Public Notice and Fact Sheet Proposed National Pollutant Discharge Elimination System (NPDES) Permit for Sequoyah Nuclear Plant, Units I and 0
A-2 vaneo suces
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REF: 42 *J7.
Mr. Richard 7. 'Jackins Office of Nuclear Reac:cr Regulation U. S. Nuclear Regula:::v Cc=sission
'Jashing: n, D. C.
20555 Re: Sequeyah Nuclea Plan:
N?tES No. "1C025450
Dear Mr. 'Jackins:
Enclosed is a copy of :he Public Notice and Fact Sheet for the referenced facility for your infor=ation and cc==ent.
Flerse provide us vi:n
=.nv ce==ents no later tha: Acril 16. 1979.
Our records indicat; that all supporting reports, doc'.=enta-ica and infor=a:icu ha'.;
been forwarded directly to you by T7A.
Should
- u have any ques: ices, please con:ac Messrs. Charles Kaplan or Pau rey.
'4c. ?ppreciate your previous assistance and that of othe: N?C s:s:f =e=bers rela:ing to this projec:.
Sinecrely ycurs,
C/
O,/
At.< CF- [
Oeorge IV aricw Chief
'Jater Infor:e=en: 3:ssch Inic:cemen: Divisica Enclosure cc:
Mr. Else Lunn, Tennessee 21visier. of 'Ja er Quali:7 Cent:01 Mr. Jaci McCc :ick Te essee Regional I:gineer Mr.,*, a=es Mo r-is Tennessee 7 alley Authorit7 Mr. Paul ? ey I?A, Athe:S
- 3 ::s >.,....: :u :: 3 3 u :: ::
A-3 JOINT PU31;!C NCTICE U.S. Enviren:nents! ?:ocac:icn Agency 3 ranch [th-Region IV, Water Enforce =ca:
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L4 Atlanca, Cecrgia 303C8 h
404/881-2323
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in cenjunction with
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Divisi:n of Water Quali:y Control 621 Cc dell Hell 3uild1=g y h,d,
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Nashville, Te==essee 37:19 lif*%
' Pu,blic Netice No. 79TNCC02 Mar:h 13, 1979
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NOT!OE CF PROPOSED MCDIFICAT:CN OF NATIONAL PCLL*,p"A.Y" DISCEARCE I!.*MINATICN SYSTEM ?ERMIT AND NOTICE OF CONSIDERA!!CN ltR STATE CERT!?hTICN ne U.S. Environmental Protec:lon Agency proposes :o :Cdif7 the Natic al
?ollu: ant Discharge Elimina: ion Sys es (NPDES) persi: to the Tenneesee Valley Au:hori:y, 268 401 3uilding, Chat:ancega, Tennestee 37401, for its Sequoyah Nuclear Plan: which is under custruc: ion in Hamil:en Coun:y, Tennessee,in :he vicinity of Tennessee River Mile 484 adjace.: :o Chicks-sauga lake, Application nu=bers TNCO20150, TNCO21041, "N0021059, T: 0023485,TN0026450 and NCC26468 and proposed Pe::.1: Nu=ber 50026450.
- he applications describe 12. poin: scurce discharges to the Tennessee River, plan: I:take 3e in and Dif fuser ? ond f rom construe:icn and/or vill occur 'uring operatice of :he plan:
vnich vill gecerate and ::ans=1: elec::ici:y, SIC t.ede 4911.
- he Te :essee River has been classified by the State of Tec:essee for all uses in this reach.
S e p cpesed =cdifica:1cn vill inc rporate fu:ure plan: was:e s::eams (which vill result fr:s plan: cpera:icn) into the existing per:1: which includes plan: tenstruction and pre-eparati:nal vastes. Of :he 12 point scur:es, seven are included in the existing per=i: and bec:=e par: of :he =cdified pe r i: vi:h limited or no M anges.
- he draf:
per=1: a'.sc preposes 13 internal points of =cci: ring and lisi:a:io :o assure ::=pliance vi:5 app'1:able laws and regulaticus. Is addi:1on a =ixing :ene w been p pesed fe:
the thermal ccepenen: Of the discharge. ~he p e-d - %ever vill nce be ' issued vi:hou:
a certifica:icn of :he acceptabili:7 of the =1xing :ene by :he State of Te:nessee.
The proposed N7 DES persi contains limitations en tae amounts of pollu:anta allowed :o be discharged and was draf ted is accordance with :he previsions of the Clean Water Act (32 U.S.C. See:1en 1251 et seq.) and other lawful standards and regulaticas. The pollutant lini:ations and other perui: :endi: ions are tenta:ive and open to cetmen f:=u the public. Note: Radica::ive ::=pece::s Of the discharges are regulated by :he ". S. Nuclear Regulatory Cc==1ssi:n and =ay nc: be ine:.ded 10 the N?OES penit.
?srsens wishing :o coenme=t upcn er obj ec: :o pe =1: issuance or :: :he propcsed persi: lisi:s:1:ns and ndi: ices are invi:ed :o submi: same in vri:ing vi:hin :hir:y days of the date of this =ctice :: the Inf or:emen: 01visien, ". S.
Ens tronmenu.'. ? c tec:i:n Agenc7, 345 C:ur: land S t-sec, Atlan:a, C*c:gia 303CS, AD: Mens Ellisen.
~he N?!IS nu=cer shculi be included in the fi:30 page Of c==en:s.
A-4
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(g i UNITED STATES ENVIRCNMENTAL PRCTECTION A CY
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APPLICACON 7CR NACONAL POL:4"A37 DISCHARCI ILDCNACCN SYS'"IM
// Idb,p FI?X:7 TO DISOEARGE 3.ZA~ID VAs.2.4A*D A
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TNCO20130, 010021041,
,ali:s:tes ye. Ot0021059,CICO22435,
- ate Mar
- h 15+ 1979 AhCO;5450 and
...w.:-c o;.se rnu.. =aeT NCO26450 l.
Na=.: and A'. dress of Applican:
Tennessee 7 alley Autheri:7
$equoyah Nuclear ?cver Plan:
268 401 3uilding FOR Units 1 and 2 Cha::.accoga, Tennessee 37401 Ea=ilton County, Tennessee b.
Descriptica cf Applicant's Operatica Genera:icu, ::anssission and distribu:1em of electricity 4 [ ganartily f alling undar Standard Industrial C14ssidica:1cm 4911. Plan: fuel is nuclear. Proi:ctica Capacity of Facility c. Guideline category * - Generating uni:s Nu=ber of Units 2 Larges: C1: (negava::s) - 1148 Da:e of ec:aneretal ep4:stics -1979 Nameplate rating (:wgava::s) - 2296 d. Applicant 's Receiving Vat.ers Discharge 2 002, 011, and 024 est _: :he Tenneessee River in the vicinity of River Xile 434 and discha Ses 001, 004, 005, 006, 007, 008, 012, and 013 enter the In:ake 3asin or Diffussar ?:nd. Serial nunse 00 3, OC9, 010, and 014 through 023 have been assigned for iden:1 fica: ion and nenitoring purposes and discharge :o :na of the above serial nu:.bers. For a ske ch sheving the locatice of the discharge (s), see A::ach=ents A, 3 and C. Oescriptics cf Proposed Pollutics Abate =est ?acilities e. Sedinenta:icu of construe: ion runoff; secondary ::aa:=en: o f denes tic wastes ; seu::ali:a:1:n and/or sedinen:ation of plant c;eratin and once-:hrough cooling or helper / closed-cy:le opera:1:n of :g vastes;:oling :: vers
- o assure :ha: the ther=al c:=ponen: of the discharge is in ce=o'iance vi:h Tennessee Va:e Quali:7 S tandards.
Note: Radioactive cc:: enen:s f plant discharge are cen::elled by the U. S. Nuclear Regula:orr Cc _-.issi:n and no li=1:a:1cus nay be included in the NPOES perni:. Tederal Razister Vol. 39, No.196 (Oc:ober 3, 1974) Z?A-144025 (7-73)
A-5 Se-t al 0101/, (S tation St=:o), 0141/ re-inerali:er Regeners:f on ' astes), / 015 h/ (Oeminerali:er Regenera:1:n ::as t es ). 015 / (:.1 uid Radvas t e). $7,it(Cffice 3uildine Se c). 013il(Office 3uildinz Su=:),119 / (i;ervic e 3u11dia e Su c), 000.9 (Otesel Ce e 1:inz 3uildine. Oi! and ziease Inter:ect:r!,121 F (Sediu: Hvecenlerite Sutidine 710er and Ecutemen: Orains) and C2:Lf ?x:t S e rvt e 'ia t e r 31ee de fp Average ? lev 'd.3/ day (ItCD) - 794(0.21) f or 010, 34 (0.014) for 014, 115(0.30) for 015, and 7ariable or zero expected for a:her serial nu=bers. Average 'Jinter Te=pera:ure CC (CT) - N/A u, Average Su=:er *c=perature CC(0?) - N/A V pH Range (s:d. uni:s) - N/A or 5,0 :o 9,o Pollutants which are presen: is signift: ant quan:1:1es or which are subjec: to effluen: l#-4:a:1cn are as f=11cvs: 011 and grease, total h_ cuspended solids, and/or 31cche=1 cal Cx7;en Oe:and. gn Serial 011 - Plan and 7.=e:gency Rav Cco!*ng *?acer in:ake screens and strainer bac' wash (: o ; cists of cischarge) f %7 %~ w .a.w Average Tlev - 7ariable Average 'Jinter Te=perature CC (07) - A= bien: k3I h./h;.. C (c?) - Ambient Average Su==er Te=perature C pH Range (std. uni:3) - A= bien : aS serm Pollu:an:s which are presen: in signift: ant quan:1:ies or which g are subject :s effluent limita:icu are as f M.1:vs : None g6 r:m?3 Serial 012 - (Ccoling ::ver 51:vdevn) and 013 (Recycled Cooling '?a:e H flow). Average Tlev'd3/sec. (:'CD) - 2.0(45) and 68(1550), respec:ively C Average 'Jinter *e=persture C(CF) - i/A Ea:cimus Su==er Te=pera:ure CC (CT) - 23.3(101.0) pH Range (std. uni:s) - 6.0 :o 9.0 Follu: ants which are presen: is sig ifican: quan:1:ies : which are subject to efflues: li=1.ation are as foll:vs: Te=perature and Chlo ri::e. Serial 0231/ - Steam generator blevdcun A erage 710v - 7ariable 344 254 Average ~41 ster Te=pera:ure *C(#7) - N/A Average Su==er Te=serature CC(CT) - N/ A pH Range (std. uni:s) - N/A Pollutan:s which are present in significant quan:1:ies or which are subject to effluen: li=1:a:1on art as follevs: 011 and grease, total suspended sclids, total Copper and :o;al :ren. 1/ - Incer.41 plan: vas:e strea=; serts; n==ber assigned f:r ~~ identificati:n and neni: ring purposes.
A. EFF1.UEllT f.ItllTATintiS AtiD H0tilTORit1C REQlllREtiEtiTS During the period beginning on the effective date and lasting through expiratlon, the permittee le authostred to discharge froin outfall(s) serial number (s) 001 1/ - Sewage Treatment Plant Effluent discharged ~ to ill i i nu e r pond. Such disonarges shall I,e limited and monitored by the pe mit tee as specified below: Effluent Charactertutic I) ally I.imi t at d onn Honitorin Q quirementa Other tinit h lig/ lay (Ibs / day) ,(nfj l e x cep t eis nyled)_ A D. illy lleek ly D.nlly Daily lleekly fhsily Heusurement Sam.ple M Avg. Avg. Ita x. Avg. Avg. Hak. F reilue ncy _TyE Flow-H / day (it;D) II/A 11/A ti/A 11/A 114 (0.030) ti/A l/ day IJeir Heading 3 HOD 1.4 (1.5) 4.5 (10) 5.0 (II) lo 40 45 2/ month Grah g Sue. pended Solista '). 4 (1. 5) 4.5 (10) 5.0 (11) 10 40 45 2 / mien t h Grah w I'cral Caliform(#/100ial) 2/ t3/A II/A 13/A !!/A II/ A ti/A 2/ month Grah r Total Chlorine Hesidual - 13 / A tt/A il/A il/A 11/A PJ/A l / slay C r at. O j See Delow 1/ day C r a t, t' Settleable Solida (ml/1) 1/ week Crah e> See below pil 1/ day Grah See Helou Dlusolved Oxygen The contentration of nettleable nolida in the wa;stewares discharge must, at no tine, exceed 1.0 ml/l a ) ,p.., mensure.1 ley the standard one-hour Imhoff cone test. M"Y ? The concent rat ion of dissolved oxygen in t he wastewater discharye must he greater t han 1.0 eng/l. m v'O" y) g Any sludge or other materials removeel by any t reat mient works must receive ilsposal adequate to prevent thetr entrance intu or pollution of any susfaie or nuhsurf.e e waters. gN. The pit of the wastewater discharge shall not he Ic as than 6.0 nor greater th,in 9.0 st andard unit s.
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yG9 The wantowater dieerharEc must contain no diuttnctly viulble f loat ing acium, oil sheen, or other w g3MM flouting matter, j, y ]9 pa Samples taken in compliance witta t he monitoring requi r ement as speci fle.1 above shall be taken at the gn kd W following location (n): Sewage treatment plant effluent prior to mixing wit h any other waste st ream, o '" MM f3 Wi!M -I/ rievinneily permit niunber 1100210s9 I g&& 'd; j 2/ Cenaietric mean [
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uS i l g r u g n f T o u nt k v r - a U pea 0 44NN e u i ih r g tb r t ct or h a e c ( r s u o a ei f e t/ e n r c U a us n o pw b 1~ e o e x 6 h m l s d n i e 5 g t l tt s s o e 0 f g e i c r n3 t t sn n n 0 i a O1 y. i k 6 e t i g i t 0 m t / l g A AA d r e l nx i t s r i gi v a) e m naA /00//wu oc n b ei si mm s n r wa a i N33NN oo e f h s e ai (D l s p i ( L n l l t t r t i ro e d r e e e a nu v i t r p )) Bb w es s u e n e h y 66 ab t l y. m s y qr b e. i l x ee m t t t y e l eo mt A (5 5 AAe e e u y a ia s s a n l t ri ui ( SS a e ea c r nm S t n b D aM / // T a D wt r e n gp r N 5 5. N N H dl d tf b i n l e r a e ) ee o t i t ap t ei r y 22 t h n y t s rn i t vr o 3 t o nn o i oe r s E i i e t 1 c ao n d t u ei 1 )) l t s i / y. n i il S h 0 0. A A U c n sl g if yt l o nf t Q e) o ik v A f b u l n of t, E f s m i eA / (5 5 t ( // e o l a me .f f f ( j e N NN dh dl h n 5 o i m e o s i e r 8 el d yW 33 G l n a l I v p a h e 4 e N e a a d o o o t t t 1 t 22 hf / s r mr g n a 2 a I R t t d E u e o r o hl 0 d o O u e b eo r a c t f 0 A )7 7 AA ) l h o h i N e T no t I o i y. / // b - st c t wd Tv N m m l g N33 HN ae l n s s n i r O g o i i v e n ai i u ea t H nr l aA ((/ e l o i d m cS c b 7 7. )2~ if D t r o n e n D n e ) t d ec r e a if 'l u N ne b c 1 1 1 er t n e g i f n A i g. i l a s a a a t r l : e grd l t a u/ i l d e r a a p) s t 0d f n t w h ms e S e an l a 0 i (m i ih o a l i oa rn e c o( h l 0 cP h r 1 a t e e t s c n nt t r I d s s e ) /c a ns h s i o n e T oie t D aJI d o t r a d. ni n a t p A id g s c G i i e oi w r i t O e T r a e a l d( mel t h e r e a m i i y I e on g r ( l a n o at rh e et nc l pt i r a ooi S r ot h t t e o c l l s a a h y Sf r I n i t y t a a kl u L ed r h C a i o e nb et wm a e r o n t h eD c d dl l l e g n f e t g T t z s t / e oh b cd d e o t g n o c i N id i n I dCC a ne uv s n si vp in e r o E gr r d e H n e or i e ip wt l o u e l ai ew U noa u el l i l cu m r P p G L ihY h w p a at s p a pl l F r t c f ons ct t oueo e'u mn y e eo ml / F uuo u t l / e no h hl a o 1~ 2 E D at S E FgSrT S il s At T Tl Sf I JJ h 1 A C rt s 3 Nwc 3 qM M Q.,F 2' wJrr'9WiC;OEOTE'W AV qf tG nL ) .n C ?m /s. y pQ;gbg 1 i CggrI i Lr I =
A. EFFI.tJENT 3.thilTATIONS ANI) MONFIT)ltING ItEQtfiltEMENUI Dusing the penlod lieginning on start of conunercial operation of IJnit I and lasting t hrough expiration the permittee is authostzed to discharge from outtsil(s) serial number (s) 001 - yard drainege pond-includes discharge frota conutiuction aunoff and/or us erm newet age ayat en, station aump and -ther low volnse wastes, pret reated netal cleaning wasten and 001. Sucli disci arkes shall be limited and monitored by 'tlie permit tee as specified laelou: ~ t Effluent tharacteristic ILcharge I.irnitations Monitosing Itequirementa Daily Daily Measurem nt Sample Average llaalmius Fresguency Type Continuous Pecosder Flow m / Day (MOD) 11/A 11/A 8 01I and Csease (og/1) 15 20 t/ week Crab Tot al Suspended Solida (eg/1) ~10 10'l 5/ week Grab g Total Chlorine Reu tdual (ag/l) l{/A II/A 1/ week Haltiple.7rabs W {e^) P A 'M A M;i v N CC5~. s N' 'the pil shall not tse less than 6.0 stasulard units nor greater than 9.0 standard units and shall lie monitored 5/ week 13 EG g by grab u. ample, Bfd EM I5 'Ihcre shall be no dinhange of floating suhits or visible foam in uda - ! *a trace amounts. y g pW,,ji gg'g Samples taken in compliance with the monitoring requirements spo 8' as above shall be taken at the following location (s): %] Dlucharge fioin yard drainage pond prior to mixing witti any other uaute. tiot e: Prevluualy designated aerial number 009 <j: X
A. I tTI.Itt NT l.lilll ATIONS AND Ik)NilOH t HG Hti}ti!Rifft riTS During the period beginning on the ef f ect ive dat e anil last ing t hrougli expirat ion, the permittee la authorized to diuchange f i ors out t a l l ( n.) ucria: number (s) 009 l/ Preoperat ional fictal Cleaning Wautes .ilan hanged to the yard deatnage pond. Surh discharges shall be limit ed an l monitored by the pco mit t ee as spec if ied I.elow: tionit or inL equirement a it I< f f Irwns Char act er ist ic Di sc ha r ge f.f mit at f ous th asur ement Sample D. illy Average Da il y Ha m isnius a ceguency Type r l/ day Weir, pump log, or calc. F l os. -nl / Hay (HGD) N/A N/A Q 011 and Crease (mg/l) 15 20 (' 2_ / Grah .c:n. Total Suspenileil Solide !ag/l) lo 100 /D-2/ 8-br. coupoalte A Copper, Total (mg/l) 1.0 1.0 /*j) 2/ 8-br. compou lt e Iron, TotaI (mg/1) it..) 1.0 q,. 2/ fi-br. compos i t e TM Phouphorua as ' (mg/l) 1.0 1.0 2/ 8-hr. compoutte Y [/ 8-hr. compou t t e (.J1 Chemical Oxygen Demand (mg/1) N/A 100}/ 03 Hetal cleaning wastes shall mean any cleaning compoundia, a-inue waters, or asiy other waterliorsie residiseas alerivel from cleaning any metal proccus equipment. The quaint it y of pollutant a discharged f rom this source shall not exceed the quantity determined by mult iplying t he flow of metsi cle.ining wast es t imes t he alsove concent rat ions. Wasten diacharf.ed f rors this source shall not he acutely toxic to Indigenous aquatic organtuina at the posnt of seleune fium the yard dreninage pond, tint t i coingsletion of repairs to the aludge filter presa, but not later than June 30, 1979, water treatment plaint f i l t e r, hackwanti anel clarifter aludge nay he discharged to the unlined treatment pond. f rom the temporary demineralizer utilized for preoperational met al cleaning operations Itegenerat ion was tem inny be dischar:ged to the, unlined t ea.asment pond. There shall lie no discharge of float ing solida or vielble fourn in other than trace amounta. 47(fSamplea t ak eni lii conspliance with the suonitoring registremesit es specif led alsove shall l>e takeni at yy y the following location (s): d i scluia ge f rom the netal cle.aning wastes t rea; ment facility (u) ,8; ~ pi tor t o discharge to the ard drainage pond,except that flow of netal cleaning wasten to the 0e o N un a ponda shall also be deteria ned, n em / Serial niunber anninned for identification and monitoring purponca. 1 3 h/Onestart of discharge and once/ week thereaf t er unt il t essainat ion of discharge wit h one sarepte O taken luvuediately prior to terminatton of dischange. y g. ~ fl / 1.lauttalion shall apply to organic ac id wast e cle.ining solut iones. flanitos ing of organte arid I d waste concentiation ulua l i he pelos t o snixing wit ti oil.er want e nt reasma, or ilune waters, except that jotut tacatment uit h I.lgh phosphat e hearing metal clcaning want en la pcamitied. Note: parviously destynate.l arrlal number 012.
A. Et Fi.dt'HT 1.IHITAT!ONS AllD HottlTonitiG ItD)t!!REHEttrS During the period beginning on ef fective date and laat ing througli expiratiani the permittee la authorized to discharge fium outfall(s) serial number 011 - Plant and ERCW intake screena and atrainer backwash to the Tenneaace Hive r (two point a of discharge). Such diacharges shall be limited and monitored by tl.e permittee as specified belows Intake acre.en backwash, st rainer backwash and/or ulut ce return may be discharged to the Tennessee River at a point which precludes return to the plant intake, without limitation or wenitoring requirementa, llowever, material temoved f rom the har racks uhall not he returned to the Tennesaec River, w 4 C' O, V~ g r. y %m y eg $. Y et, .. u ~ ~ pk V 4 ? O .a (e a-e c ~ en w b;: a r .o S gny:n o W @S efirS h'@ C
A. EFFt.UENT I.lMITATIONS AND MONI'IY)ltlNO ltEQUlilEMENTS Du Ing the period beginning on the ef fective date and lasting through expiration the permittee is authorized to discaiarge from outfall(s) serial number (s) 013 - [tecycled cooling watar flow to to the Intake lla u l u. duch diwharges shall be lirnited and monitored by the permittee as specified below: p Y Effluent (haracteristic Discharge '. imitations Monitosing Itequirementa 64* ) Measurement Ssmple 1"*C Instant aneous llaximian Frequency Type J Total thlorine Residual (eg/l) 0.1 1/ week Hultijle Crabs Tenpe rat ute C("F) 38.3(101.0) 1/ day Hultiple Crabs I. imitations and ismitoring requirements are applica.ble only during periods of closed-cycle cooling tower operation. GD EU 'the pli shall not he less than 6.0 standard units nor greater than 9.0 standard units and shall I c monitored 1/ week on a grah sample. %27. lit ?{ 3 EQa,. There shall be no ellscharge of floating solids or visible foam in other than trace amounts. y p.i4 r gC CC2 Samples taken in compliance with the sm,nitoring requirements specified above shall be taken at the following location (s): $ G. !!ccycle.1 coolint; uat e r flois pr ion ao coit e r l et); t lic isitask e han Isi. ,d 5 {A3 "$ S., f~C Q
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A-15 NTI Page 20 of 28 Permi No. T50026150 g [A n.T Kb 1,51 j 3. SCF.I CLI CT COMF12ANC-1. Che per=i::ee shall achieve c.~.:pliance vi:5 the effluen: lisi:ations specified for discharges 1.s accordance vi:h the folleving schedule: a. Co=plia:ce with effluen: l1=1tations.- effective date or
- art of discharae (Col :hrnugh 024) b.
Chlorinati:n report (024) 3/31/30 Cease water :: ear =ent plant sludge discharge to me:a1 -leaning c. was:e pond (009) - 6/20/79 d. Condens e: tube repor: (!!!.E.) (1) Study Plan - Fuel leading da:e of Unit 1 (2) Firs: report - 13 :enths af ter ce==er:ial opers: ion date of Uni: 1 (3) Subsegr.e : reports - A :cally af:e: firs: repor: e, Plu=e repor: (!!!. F. ) (1) Uni: 1 repor: - March 31, 19 80 (2) Uni.s 1 & 2 report - 13 =cuths af:e: cec =eref al cperation date of Uni: 2 (3) Sub sequent reports - a=sually af ter Uni.s 1 & 2 report, if requ' red f. Opera:ional aqua:ic Ecitoring pr: gras (I!!.G.) (1) I=plemen: -..J=merc141 operation date of Uni: 1. (2) Firs: repor: April 20,1980 (3) Subseques repor:s - a=sually af ter the first report. 2. No la:e than 14 calendar days folleving a date identified in the above schedule of ce=pliance, the per=1ttee shall submit ei:her a repor: of progress or, in the case of specific acticos being required by iden:ified dates, a vri::en =ctice of c~:pliance or soccc-pliance. In the la::e: case, the notice shAll include the cause of scnce=pliance, any re edial actions :41es, a:4 :he probabili:y of :we:1sg the next scheduled require =c,:. Note: Any construction of new vaste :: tat =ent facilities or al:erations to exis:ing vaste treatment facili:les vill require a per=i: or au:ho 1:4-tion for construe:1cn is accordance with applicable s: ate law and regulation. p n C' ! ' . v., pl1 }:
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A-16 PAC III ?
- No. "NCC26t.50 E.
The pe:=i::ee shall provide a technical study : hat correlates actual Operations experience with c ndenser tubes and de=enstra:es a sufficiently icy corr:sion/ er:sien rate to assure protection of aquatic organis=s. Se: ails of thra propcsed study shall be sub=1::ed for approval by :he Director, Enforce,en: 01 vision, no later than t'e date of fuel loading of Uni: 1. Annual reports of operations experience shall be sub=itted starting 15 _caths af ter ce=ercial opera: en date of Uni: 1. 7. On start of ce==er:ial cperatica, per:1::ee shr.11 imple=en: a field program to *:1f7 ncdel predi::i:ns and doc =en: the :h:ee-di=ensional ex.en: and configura:ics of the ther=Al plu=es in the In: ate 3asin, Diffuser ?:nd and Tennessee liver, in accordance with the plan sul.=1::ed on Reports of field s:udies and nodel calibra:ien e alu.a:1en shall be sub=1::ed for Uni: 1 not la:e: than Farch 31, 1980 and for Units 1 and.2 not.lar,. han 15 nenths af ter the ce=sercial opera:1:n date of Uni: 2, subsequene reports shall be sub=1::ed annually af:e: the Uni:s 1 and 2 report, 11 necessary. G. By 1.he cec =ercial operatica da:e of *Ini: 1, per=1::ee shall i=plemen: the opera:1:nal stage ccc-radiological aquatic neni:Oring program in accc dance with the plan u sub 10:ed en 2eports ahall be suenieted annually vi:h the firs: sport due April 20, 1980. The program sha? ' .n=inue for a period of cc: less than two years af:er cemercial opera:1cn t '=1 : 2. 3. Copies of all plans and reports sub 1: ed in accordance vith Parts !!!. C, E, F, and G. and Part I.3.1.b. shall be f=:varded by the pe:=1: ee as f oll:vs : Nu=ber of C:oies Addressee I. Director, Inf orce=ent Divisi:n, E?A(A:lanta) 1 Chief, Ecology 31anc. E?A(A: hens) 2 Direc:or for Inveren=en:2.'. Projects USNRC (3echesda) 2 Regienal Direc:cr, I'.sh sr.d Wild?,ife Service (A:lanta) 1 Director, Tennessee Divisien of Wa:er Quality Control (Nashville) 1 Regional Engisuer, Tennessee Divisice of Water Quali:7 Cen::o1 (Chattancesa) Copies of all cu:ine radiological liquid effluent and water quali--r scui:Ori:g reports sub=1::ed to NRC sh.t 1 be sub=i::ed to E?A and the State Oirector. 5 -r. . I' meI w c .\\o:p-,g u
A-17 7. PRCCI:tJRES FCR ""3Z FCFE'1A*!CN CF F*NAL.;E I."Ci*NA"!CNS 4. Cc en: ?eri:4 Se Z:vi::::es:ai h::actie Age: 7 pr:: cees : issue ar. N? IS pe=i: :: 21s ap:lica : subject :: the afflues: 11=1:ations and s:ecial c edi:i: s cu:11:ed abeve. hase de:e=isaticas are :es:4:ive a:4 ope := ce=e:: f::= de public. I :arested persens are 1:vited :: sub 1: wri::e ::=es:s regarding per:1: 1ssuance c .he pr: posed pe d- ' a:i=s and :: di:ie:s :: :he fell:ving address : I:f:::e=en: Oivis10: Z=vi ::=en:21 M :ee:1:n Agency 345 Courtland 5::ee:, N. E. A:lasta, Gee gia 203C8 A"5:.Y.cna "11sc All c =en:s received vi-'#- 30 days of the date of this fact shee: -ill be c=sidered is the f==ulatice of f d =' de:e mi:4:10:s vid regard :: pr: posed per=1: issuasce, b. hblic Hea:1=g "'he I?A Regie 21 AAd-istra::: vill held a public heart:g if there is a significa:: degree of public interes: i= a ;; pesed pe=i: :: g: up Of pe=1:s, or if he deter =izes 24: useful 1:f:=.:1:: and data =ay be btai:ed thereby. hbile :ctice of such a heart =g v1.11 be circulated a: leas: thirty days pr10: :: the heari:g, in =evspa:c s in :he gecgra;hieti area =f de discharge s=d :: thess==.he I?A _4111:3 list. c. Issua:ce of.he ?e=1: Af:e: c: sidera:1:n of all wri::e= ::=ents and of de require =es:s and pc11:ies is.he Ac: and app =pria:e regu12:10:s. and, if a public heari:g is held, af:er c: sideratie :f all c:=en:a, s 4:a=e::s and data presested a:
- he hea:1=g,.he I?A Reg 10:41 AA' 'st a::: v111 ale dete=1:a:i::s regarding pe=1: 1ssuance. If the decerni 4:10:s are subs:astially u=cha ged f : the
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'-d sna :: vill so =ctify all persens subnit.1:g vri::e= ::=ects, and, di a ublic hearica was held, all persens participating is the heart =g. If de dete=1:4:100s are subs:as:1A117 changed, the I?A Regie 21 Ad d '*::at:: vill issue a publi: Occice indica:ing.he revised deter:1:atices. 7:less a reques: f::== edjudi:4:::7 heart:g sr legal dect. sics is granted. the propcsed pe=1: ces:21:ed i: the la gic al Ai=1:is t:s r ' s d e t e r ' - s :ie shall bec=e issued a:d eff ec:1re and 4111 be.he fi:A1 actics of :Le O. S. I:vi:::c as:a1 heeac:1:n Age =cy. 344 266 a% nan qL g-Re MS. 3,,rm y as ~
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