ML20212Q130
| ML20212Q130 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 03/23/1987 |
| From: | Diederich G COMMONWEALTH EDISON CO. |
| To: | Davis A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 0134H-0278A, NUDOCS 8704230004 | |
| Download: ML20212Q130 (30) | |
Text
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N Commonwealth Edison c.
/) RuralRoute #1, Box 220 O
LaSalla County Nuclear Station PRIORITVRODilM
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Marseilles, Illinois 61341
' First
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I Telephone 815/357-6761 RA tsL R
6 fI FILE M March 23, 1987 (Q ' ]lf Nf Mr. A. Bert Davis Acting Regional Administrator Region III U.S. Nuclear Regulatory Comunission 799 Rooseve1t Road Glen Ellyn, IL 60137
Subject:
EPP Annual Operating Report Appendix B to Facility License No. NPF-ll and No. NPP-18
Dear Mr. Davis:
3 Attached is the Annual Operating Report for the year of 1986 for the Environmental Protection Plan as required by Section 5.4 of Appendix B to Facility License No. NPP-ll and No. NPF-18.
This report is contained in the following subsections:
3.1 Plant Design and Operation.
4.2.1 Vegetative Integrity on Cooling Pond Dike.
4.2.2 Monitoring of Fog and Ice Due to the Cooling Pond.
5.4.1 EPP Non-Compliance and Corrective Action Taken to Remedy Them.
5.4.2 Non-Routine Reports.
Section 3.2 of Appendix B requires submittal to the NRC of NPDES noncompliance reports which are required by the State of Illinois. The reports generated prior to June 18, 1986, were previously submitted to the NRC at the time submittal was made to the state.
Included as Attachment 6 of this Annual i.
Operating Report is a summary of the NPDES noncompliances for 1986. Section 3.2 of Appendix B was ammended on June 18, 1986, deleting the requirement for submittal of NPDES noncompliance reports to the NRC.
Future Annual Operating Reports will not include a summary of the NPDES noncompliances.
Section 4.2.2 of Appendix B was also ammended on June 18, 1986, deleting the requirement for monitoring of fog and ice due to the cooling pond.
8704230004 870323
/ /
II l PDR ADOCK 05000373
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i DOCUMENT ID 0134h/0278A
.APR )3 $
l e'
In accordance with Regulatory Guide 10.1, one copy of this report is provided for your use and 18 copies are being submitted directly to the Document control Desk, U.S. Nuclear Regulatory Commission, Washington, D.C., 20555.
Sincerely yours,
,y Au
'G. J. Diederich Station Manager LaSalle County Station GJD/LRA/psk Attachment xc:
C. M. Allen, W/ attach.
NRC Resident Inspector, w/ attach.
Environmental Affairs, w/ attach.
Document Control Desk (18 copies)
C. K. Sprunger f
l i
I l
DOCUMENT ID 0134h/0278A
3.1 Plant Design and Operation No changes in station design or operation, tests and experiments were made in accordance with subsection 3.1 which involve a potentially significant unreviewed environmental issue.
DOCUMENT ID 0134h/0278A
e f
4.2.1 Vegetative Integrity on Coolina Pond Dike The vegetative integrity of the cooling pond dike was inspected in accordance with LaSalle County Station procedure LTS-1000-5 on the folicwing dates: January 24, 1986; April 30, 1986; May 28, 1986; June 30, 1986; July 29, 1986; August 29, 1986; September 25, 1986; and October 2, 1986. The above inspections resulted in the following concerns:
6 1)
More than sufficient rain fall was present during the Spring and Summer of 1986. This resulted in increased growth of ground cover (Crown Vetch) on the cooling lake dikes. No bare spots were observed during the entire year of 1986.
2)
Canadian Thistle was present on the cooling lake dike, but was less than 30% of what it was in 1985.
It was not necessary to apply herbicide in 1986 to control this noxious weed.
No other items of concern were noted during the 1986 cooling pond dike inspections.
DOCUMENT ID 0134h/0278A
g January 15, 1987 4.2.2.
Monitoring of Foq and Ice _Due to the Cooling Pond The following is a summary of the data for 1986 of the operational fog and rime ice observations in the vicinity of the cooling pond including an analysis of the data and comparison to the 1985, 1984, 1983 and 1982 operating experience, and 1981 and 1980 baseline. This is in accordance with the Environmental Protection Plan, Appendix B, Section 4.2.2 which is part of the operating license for LaSalle County Station Units 1 and 2.
The 1936 observations cover the first two quarters of the year, the program having been terminated on June 20, 1986 when the Environmental Protection Plan was revised, eliminating the requirements to conduct the program.
Included are: Attachment 1, which includes all reported incidences of fog which restricted visibility to 1/4 miles or less and rime ice observations in 1986; Attachment 2, which consists of copies of the two quarterly summaries of fog and rime ice observations for 1986; Attachment 3, which includes the annual summaries of observations for the years 1980 through 1985; Attachment 4, which is the correlation of time ice observations on vegetation for the winter of 1985-1986 and Attachment 5, the report of the i
" Inspection for Environmental Impact of Rime Icing", which was conducted by a consulting plant pathologist in May, 1986, to assess the effects of the rime ice that formed on vegetation during the winter of 1985-1986.
In summary, there were five occurrences out of the 118 observation days during the first half of 1986, where visibility was restricted to less than 1/4 mile. There were two observations of rime ice build-up occurring off the station property.
Analysis of the five off-site 1986 occurrences of reduced visibility shows that there were two observations of reduced visibility that may have been enhanced by the pond. They occurred on the morning of February 13th (one downwind observation point) and the afternoon of February 20th (two downwind observation points).
There were two off-site observations of rime ice in 1986; they were reported on the morning of February 13th, at one downwind observation point, and on the morning of February 14th, at one downwind observation point. The ice build-up was reported as much as one inch on February 13th, but was not reported during the afternoon inspection.
Analysis shows that the 1986 data had one less observation of fog causing reduced visibilities than in 1985 and two less than in 1984, the same number as 1983, and but fewer than in the years 1982, 1981, and 1980. As shown below, there were five observations in 1986, six in 1985, seven in 1984, five in 1983, twelve in 1982, eleven in 1981, and ten in 1980.
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Total observations, Visibility Less Visibility Less Than 1/4 Mile Year Than 1/4 Mile Downwind only 1986 5
2 1985 6
1 i
1984 7
0 1983 5
1 1982 12 0
1981 11 1
1980 10 0
It is apparent that there was little or no enhancement of off-site fog conditions that could be attributed to the heat rejected to the cooling pond.
There have been only five times in the seven years of observations that a visibility reduction under a 1/4 mile occurred downwind of the pond without any similar upwind or cross wind fog observations.
I In 1986, there were two off-site observation of time ice, downwind of the l
cooling pond.
The first was about one inch thick, but did not persist.
The second was about 1/2 inch, and also did not persist.
There were on-site rime ice observations in the area of the cooling water discharge.
The rime ice observations in 1985, 1984, 1983 and 1982 were localized to the area where the entrance road crosses the cooling water discharge canal.
In the pre-operational period there were two observations which occurred during a period of extremely cold weather in January, 1982, which was before fuel loading. There was one observation in 1981 in late December under conditions which combined very cold air temperatures and an area wide light fog which resulted in a natural rime ice formation off site but was apparently not influenced by the cooling pond.
There were four incidences of rime ice reported in 1983, and more were expected in 1984 with both units operating. This proved to be true in 1984 and 1985 and during the prolonged periods of cold weather, the ice persisted and built up.
j In 1986, the rime ice occurrences were localized to the edge of the rerouted discharge channel.
An inspection for " Environmental Impact of Rime Icing" was conducted by a consulting plant pathologist, Dr. Barry J. Jacobsen on May 29, 1986. The vegetation in the affected area was inspected and found not to have suffered any observable effects from the rime icing that occurred during the winter of 1985-1986. is a copy of the report of the inspection.
As a result of the occurrences of steam fog and rime ice along the on-site access road, corrective action has been taken. The channel carrying the condenser cooling water discharge was rerouted and it is has been covered for part of the way to increase the distance between the point where the steam fog is formed and the access road. The rerouting of the channel was across an on-site area which was previously disturbed by construction.
This action was evaluated and recorded as specified in Section 3.1 of the EPP.
. The experience through 1984 of pre-operational, one unit operation and, in 1984 and 1985, of two unit operation, has demonstrated that operation of the station and the cooling pond has not been a major contributor to the frequency, extent or density of fog in the observation areas along the public roads surrounding the station nor has operation caused any persistent off-site incidences of rime ice formation. Section 6.2.1 of the LSCNPP
' Final Environmental Statement requires the monitoring program to continue through at least one 12 month period of reasonably complete two unit operation. This requirement has been fulfilled and the Environmental Protection Plan was revised on June 18, 1986, by Amendment No. 43 to License No. NPF-11 and Amendment No. 24 to License No. NPF-18, which eliminate the requirement to conduct the operational fog and ice observation program. The final field observations were made on June 20, 1986.
4286E BBB:dd i
Attachment.1,-
Page 1 or 2 Fog and Rime Ice Monitoring Program Sunnery laSalle County Generating Station I
i Incidence of Fog / Rise Ice Formation 1986 l
Ils Days of Observations F g/ Rim Ice Visibility in Feet (less than mgggggg Wind 1/4 mile) at Observation Points j
Date Time Direction 1
2 3
4 5
6 7
8 9
menecks 3/4 to 1" of rise Ice on trees 02/13 7:00 a 290*
10o0*
at homes by Observation Point 7 1/2* of rise ice on vegetation 200' east of Obser:rvion Pdat 5 02/14 7:0o a 239*
02/18 7:00 a 155*
500 500 500 500 500*
500 500 500 500 Heavy fog over general area l
02/20 7:00 a 352-
<14o0
<14o0
<14o0
<14o0
<14o0
<14o0
<1400
<14o0*
<14o0*
neavy fee over seaeral area 02/20 4:00 p 20*
600*
1000*
06/05 7:00 a 340*
10oo 12o0 1400 14o0 1200 1200*
800*
General fog over area i
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O Denotes. Fog Formation Downwind of Cooling Fond Obe.Ft.
Dir. Span Obs.Ft.
- Dir. Span Obs.Ft.
Dir. Span 0
1 3058-82*
4
- 90A141' 7
197 -339' 8
8 8
90 -2408 8
278 -351 I
2 278-850 5
j 3
65*-112*
6 1888-262*
9 286 - 67*
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Page 2 of 2 Fog and R1se Ice Moottoring Program Summary 14Salle County Generatina Station Incidence of Fog / Rime Ice Formation First (kaarter,1986 60 Days of Observations yog/ Rahe Ice Visibility in Feet (less tban
" r stiaan Utad
'1/4 mile) at Observation Points mate T'-
miramatan 1
2 3
4 5
6 7
8 9
senerka 3/4 to 1* rime ice on 2/13 7:00a 290*
1000*
treen at h-n by Observation Point 7.
2/14 7:00a 239*
1/2* rime ice on veq-etation 200' cast of 1
Observation Point S.
Heavy fog over gen-
_2/18 7:00a 155' 500 500 500 500 500*
500 500 500 500 eral area.
I t
2/18 4:00n 156*
Fog, no visibility restrictinna.
Heavy fog over gen-2/2n 7-ana 352*
<1400 <1400
<1400
<1440 <1400
<1400
<1400 <1400* <1400* eral area.
2/20 4:00p 20*
600*
1000*
Fog, no vis1D111ty 3/13 7:00a 205*
restrictions.
1 i
l I
O Benetes. Fog Fesmatism Deumwind of Cooling Pond Obs.Pt.
Dir. Spaa Obs.Pt. '*Dir. Sean Obs.Pt.
Dir. Span 1-3058-828 4'
90**141' 7
197*-3398 8
2 278-858
~ 6*
1888-262*
9 286*- 67*
90 -2408 8
278*-351*
5 8
3-658-112 o...
m.
l.
)
l Phge 2 of 2 Fog cnd Rime Ic2 Monitoring Program Summary t
LaSalle County Generating Station Incidence of Fog / Rime Ice Formation Second Quarter, 198,6 58 Days of Observations l
Fog / Rime Ice Visibility in Feet (less than Db'ervations Wind 1/4 mile) at Observation Points Date Time Direction 1
2 3
4 5
6 7
8 9
Remarks
' General Tog over area, 5/27 7:00a h3 io visibility restrictions General fog over area, i
5/28 7:00a 58 no visibility restrictiona Light fog, no visibility 5/29 T:00a 8
restrictions 6/5 7:00a 340 1000 1200 1h00 1400 1200 1200*
800*
General rog over area J
O Denotes Fog Formation Downwind of Cooling Pond Obs.Pt.
Dir Span Obs.Pt.
Dir. Span Obs.Pt.
Dir. Span 1
3050- 820 4
900-1610 7
197*-3390 2
270- 850 5
0 90 -2400 8
278 -351" 0
0 3
650-112 6
1880-262 9
286*- 67*
(See Map on Reverse Side)
. _.. _ _. - Attachment 3 Page 1 of 10 l
Fog and Rise Ice Manitoring Program Summary LaSalle County Generattaa Station Incidence of Fog /mine Ice Formation 1985 238 Days of Observattees i
1 l
Fog /Eine Ice Visibility in Feet (less them i
&h Wlad 1/4 mile) a; Observition PoLate f
Gate T'--
airection 1
2 3
4 5
6 7
8 9
Remarks i
Fog & Rime Ice ( 3") os 1/21 7:30a 270*
site in area of con-densing cooling water l
1/21 4:00p 270*
discharge. Fog con-tinues through morn-1/22 7:30a 300*
ing of 1/22/85. Rime ice persisted for ex--
j tended period through j
1/31/85.
I 1
Fog & Rime Ice on I
1/24 7:30a 250*
site in area of cool-ing water discharge.
j Fog & Rime Ice on 1
_ /31 7:00a 332*
site in area of cool 1
l ing water discharge.
i l
Fog & Rime Ice (M6*]
i 2/00 7:00a 359'
- 1000
- 1000 observed on trees at i
poants 7 s s.
+
i General fog and 2/22 7:Oda 210*
1300 1300 1300 1300
- 1300
- 1300
- 1300 1300 1300 drizzle.
}
General fog and 2/22 4:30n 170*
700 700 700 700
- 700 700 700 700 700 drizzle.
0 Goestes.Feg Fossation Gouented of Cooling Pond Obs.Pt.
Dir. Sean Obs.Pt.
'Dir. Span Obs.Pt.
Dir. Spase 1
3058-82*
4 90Al&!'
7 197 -3398 8
278 -351'
{
2 278-858 5
90*-2408 8
8 l
3 658-112*
6 1888-262*
9 286*- 67*
i j
Attachment'3
-?--
t Page 2 of 10 I
j Fog and Rime Ice Manitoring Program Summary LaSalle County Generation Staties
)
j Incidence of Fog / Rime Ice Formation I
1985 1
i 238 Days of Observattees
.\\
Fog / Rime Ice Vielb111ty in Feet (lees thee
&h Wind 1/4 = Ale) a.: N
--eit*= Pelete h*=
T"--
Bareetien 1
2 3
4 5
6 7
8 9
menstks General fog over 7/D3 7:30a 50*
- 1200
- 1200 1200 1200 1200 800 800 1200 1200 entire area.
General fog over 8/26 7:00a 319*
- 500 500 500 500 500 500
- 500
- 500
- 500 entire area.
l 9/27 7:30a 30*
1000 1000 1000 1000 1000 1000 1000 1000 1000 General fog.
l
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=
I I
1 0 Goestes. Fog Formaties Deuested of Cooling Poed
.......s Obs.Pt, Dir. Spes Obs.Pt.
'Dir. Sean Obe.Pt.
Dir. Speas I
1 3058-82*
4
- 90**161*
7 197*-3398 278 -351*
90 -2408 8
8 8
I 2
278-858 5
)
1 658-112*
6 188*-262*
9 286*- 678
i Page 3 of 10 1
Feg med sea-Ice seantsersag Program Summary I
84 Sella Ceuesy Generettaa Saastes i
4 l
I seeseeee..i restaa.s see res=essen l
1984 ging, tope of sheerwatsees a
j pagpagne goe Wisebility ta feet (lees then j
- h. h IMad
'114 matal a ; meerv 64See re t=*e r-mar s:=--
1
_3 3
4 5
6 7
8 9
Somerke i
Nias Ice (3=) along l
1/10 7:30m
'160*
ehore. naer disch= ras W1ae Ice (trace) alor g 1/11 7 'una 60*
shore. near disek=-se i
Rime Ice (3/48) on h shes
]
1/17 nnG%a 21D*
-
- r-- = amar ainc'-
go Rise Ice (3/4*) on b shes 1
i/sa y,sa-2w
- " r--== -- - di-a -rse -
i and on cars in parkir g
)
int.
unas Ice t3/4=) on k shes i
i 1/20 7mana 2836
- f-- ee near discli erge and on cars in parkir g i
lot.
NIme Ice (to) on vege ta-i sfus i.9na 2sas tion & mamedrail e---
discharge.
t Fog over general area i
3/s 7:1n=
21P 1' tan innn sann sann innne gnnne ennne snna sann Rise Ice fle) on olor ts l
guardrails and fencea near diecharme.
8 Rise Ice (le) on busti se 2/6 7:15e 300*
--d rences near diech rge and on cars in parkir g lot.
e Geneseg, pes poemettes semented of Coeling Food abe.rt.
88r. Sees ebe.Pt.
- Der, seen ebe.Ps, sar. Seen 3
38S8-828 4
, 948 141*
7 197*-339*
... s.
- 2 27*- SS*
5 9e*-248*
4 278*-35t*
s 3
63*-112*
6' 188*-262*
9 286*- 67*
(See Issy se Sewerse side)
l Page 4 of 10 i
Fog sea asee Ice beneie.tles Fragram Senseery LaSalle Comesy Generellen Saasten, Inc8dence of res/staa Ice teemmasen j
1984
]
Rh2_ noye er aheereessene postasene Bee Wasabstaar se reos (lees then
)
-;:a---
tiled 114 asBel et ebeere 4 ten Pol =me a
- ^ -
ma ama"--
1
~2 3
4 5
6 7
8 9
Bemerke Rime Ice (58) on beast et,
2/7 7815e 315*
---crail - '
t-- a m ser discharge and on cera in ---htan lot.
'Neevy fog over i
9/sn a.sm sss*
mnn man son son onne sene sans son son
- --- 21 mesa.
Hoewy fog over i
g/ss
&a0%n ta%*
290 240 290 290 250e 250 250 290 250
- el area.
l I
a12a 6 mum 11G*
900m 500 Enn Foz i
cameral overcase, sn/o.
r.nn.
ene innn innn gnnne sanne innne inna innn innn inna mist
' for General overcast, 10/10 7.nna 64*
700
'MM)a 700 700 700 700
- MM)
JgM) 7(M) maat - ' rom Rine Ice (1/168) on 11/12 7 nna 315*
-- =tatsam in aram from discharge to
---t masm nat._
j 391sn 7.nna its*
100m 100 100 100 100 200 200m 200m 100*
Fos meneret eree-i
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1 me.Ft.
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'Str, Seem ebe.Ft.
str. Some t
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4 te* tal*
7 197*-339*
8 j
2 2 78-S$*
S 98 -240*
8 27a*-354*
3 618-!!2*
6 1888-262*
9 246*- 67*
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Page 7 of 10 Fag med Blas Lce mesaltarlag Psmgree Seammary j
tasm4 ter einisses y Ce na set ama 54et less loc 8descu ni Fus/mine Ice Formet8ee 1982 l
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1-a6 6:59e 279 readesay into parking lot **
I 2-02 7s03s 125*
So 50 75 50*
50" 50 50 50 50 l
2-19 4s10g 261*
1000 5-12 7s15e 145*
800*
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6-29 7:1Se 282*
200 200 200 200 400 600*
200 1
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500*
500*
200 200 250 250 250 500 500*
]
9-01 es00e 171*
900*
800*
400 Fog rean 9-02 7:30e 279*
300 200 100 150 150 500 300*
200*
200 j
9-08 7:30s 90*
900 900 400s 400 400 400 400 400 900 Light fog-miet 9-09 7s10e 180*
1000 300 4
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9-27 7:00s 99*
200*
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100*
100 100 200 200 200 200*
,,,[er 10:08 7:00g 20*
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l Page 9 of 10 Fog and Rima Ice leanssaring Fregree Summary 14Salle County Ceeeratina Statsee Incideoca of Fog / Stas Ice Fatmatten
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LaSalle County Station Rime Ice Observations on Vegetation, Winter 1985-1996 Ory Idater Bulb Air Olscharge Date Time Temp 'F Temp *F Thickness Observer Location 2/13/96 7:004
-8 72 3/4" to 1" R. Clark Off-site on tree branches at homes at Observation point 7 and on site, adjacenttocirculatingwaterdis-charge on vegetation.
2/14/06 7:004 23 76 1/2" R. Clark Off site on vegetation 200' east of Observation point 5.
4783E 888:pp
Page 1 of 4 e
i Results of the 1986 Foliar Survey of the LaSalle County Generating Station for Rime Ice Deposition Damage.
Prepared for The Commonwealth Edison Company by Barry J. Jacobsen, Ph.D.
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Attactrient 5
. Page 2 of 4 Vegetation in the vicinity of the LaSalle County Generating Station was surveyed for potential damage due to rime ice formation during the winter of 1985-86.
The survey was done on May 29, 1986 in accordance with section 4.2.2(d) of the LaSalle County Station Enrvironmental Protection Plan by this author and Mr. B. B. Barickman of the Commonwealth Edison Company and is the 3rd survey of this site done by this author.
I Summaries of the 4th quarter 1985 and 1st quarter 1986 reports from the LaSalle Station fog and rime ice monitoring program were utilized to identify areas of most likely damage.
The survey area shown in Figure 1 attached was sufficiently large so that similar plants could be observed in areas with and without reported rime ice.
During the winter of 1985-1986 there were two reported incidences of rime ice formation off of station property.
These were on 2-13-86 and 2-14-86 and were reported at observation points number 7 and 5 respectively.
The location of these observation points and locations of observations made during the 5-29-86 survey can be found in Figure 1.
Commonwealth Edison Company LaSalle County Generating Station - Fog and Rime Ice Monitoring Observation Sites and 1986 Survey observation Sites.
Survey Site #1.
This site located around the original cooling water discharge was a site where rime ice was reported in previous years.
Cottonwood, willow and autumn olive plantings showed no evidence of damage from winter injury due to delayed vernalization associated with warm cooling water noted in previous surveys.
Autumn olive plantings along the roadway are now showing acceptable growth.
Survey Site #2.
Woody plants and crown vetch located along the dike road showed no indication of ice damage. Crown vetch growth appeared to be excellent with little sign of Volutella canker damage noted in the 1983 survey.
Fog and Rime Ice Observation Site #1.
Wood ornamental plantings in and around the plant entrance showed no sign of ice injury.
Iron chlorosis was observed on a pin oak near the plant entrance road.
Fog and Rime Ioe Observation Sitea #2, 3, and 4.
There were no observations of ice damage in the areas near these observation sites nor were there any remarkable abnormalities observed in woody species near these sites.
Fog and Rime Ice Observation Site #5.
No ice damage was obaerved at or near this site. Plantings of poplar, redbud, willow, birch, and elm near a house trailer on the south side of the road west of observation site #5 displayed normal growth.
A poplar hedge oriented north - south by the house showed scattered dieback of the type associated with the canker diseases common on this species. Green ash, Prunus sp, and cedar at this site showed no ice damage although the green ash showed dieback of one branch. Since the specimen was on private property no cause for the dieback could be determined.
Attactunent 5
. Page 3 of 4 On the north side of the road near observation site #5 walnut, black locust, willow ash, Chines elm, and forsythia did not show ice damage. Some dieback was noted in the black locust, again the cause could not be determined due to location on private property.
Green ash and walnut plantings east of observation site #5 showed no sign of ice damage.
Fog and Rime Ice Observation Site #6.
Trees located along the road to the west of this observation site did not show signs of ice damage. Trees observed include willow, white oak, catalpa, maple, and black locust. Dieback associated with decay and grazing was observed on black locust. One large white oak on the south side of the road showed dieback of the type usually associated with decay or root injury.
The tree line to the east of this observation site showed scattered dieback but due to erratic occurence on a wide number of woody species damage was not judged to be due to ice damage.
Fog and Rime Ice Observation Site #7 No ice damage was noted at this site.
The osage orange hedge noted in the 1985 survey continues to display stagheading associated with decay and grazing injury. Willow and maple at this site were normal. Lilac showed dieback of the type typically associated with lilac borer damage.
Year old plantings of honey locust, green ash, maple and river birch around the "new" house located midway between observation sites #7 and #8 did not show ice damage and appeared healthy.
Fog and Rime Ice Observation Sites #8 and #9 No ice related damage was noted near either of these observation sites.
==
Conclusion:==
Rime ice damage was not a factor in vegetation injury in and around the LaSalle County Generating Station during the winter of 1985-86.
Dieback noted in this survey is typical of areas located within 50-100 miles of the station.
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l DOCUMENT ID 0134h/0218A
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5.4.2 Nonroutine Reports NONE DOCUMENT ID 0134h/0278A
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ATTACHMENT 6 1
Sumunary of. NPDES noncompliances for 1986. These have been previously reported to the WRC at the time the report was submitted to the State of Illinois. These are not EPP noncompliances.
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DOCUMENT ID 0134h/0278A
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LASALtE COUNTY STATION NPDES NONCOMPLIANCES 1986 l
)
I DVR NUMBER l
DATE l
NON-COMPLIANCE I
CORRECTIVE ACTION 1
j 1-1-86-058 l 14MAY86 l 001(b) Sewage Treatment Plant l Cleaned west polishing pond and returned it to service, j
l l Effluent, Total Suspended Solids.
l Wrote work request #L58508 to repair electric submersible.
l l
(1) l pump OST07P.
l-1-86-060 l 6MAY86 l 001 Cooling Pond Blowdown, Total l Environmental Affairs sent letter to IEPA to delete j
l l Iron.
l iron monitoring requirement from cooling pond blowdown i
I (1) I to individual outfalls.
l l-1-86-077 l 31MAY86 l 001 Cooling Pond Blowdown, l Same as DVR-1-1-86-060.
I l Total Tron 30-day average.
(1) I l-1-86-093 l 16JUL86 l 001(b) Sewage Treatment Plant l Chlorine feeders cleaned and new dry pellets inserted.
l l Effluent, Fecal Coliform.
l In addition, increased operator attention will be given l
l l
l to ensure proper chlorine pellet feeding. Samples will be l
l l
l collected to give maximum contact time between the j
l l
(2) I effluent and chlorine disinfectant.
l l-1-86-104 l 8SEP86 l 001(a) Demineralizer Regenerant l Level indication on tank OWM037 restored by completion l
l Wastes, Unpermitted Discharge.
l of work request #L6C645. OperatingB' men trained on l
l l importance of knowing tank levels when instrumentation l
l l
l fails. (tracked by Action Item Record #373-200-86-10400).
I l
(1) l
]
1-1-86-114 l 220CT86 l 001(a) Demineralizer Regenerant l Action Item Record #373-200-86-11400 will track an
~
l l Wastes, Unpermitted Discharge.
l investigation into the design of tank DWM03T and the l
l l need for any modifications to the tank. 0WM03T use will l
l (1) I be minimized until evaluation is complete.
j 1-1-86-118 l 23SEP86 l 001 Cooling Pond Blowdown, Total l Previously submitted modification to NPDES permit has j
l l Iron.
(1) I been approved and iron limitation has since been deleted.
i 1-1-87-003 l 31NOV86 l 001 Cooling Pond Blowdown, Missed l Cooling Pond Blowdown had run only one day. The cooling 1
l l pH sample.
l Pond Makeup line ruptured and there was no blowdown the 1
I I
(1) I rest of the month. No action taken.
1 i
i
]
l i
Document 0495h/
4