ML20056H146
| ML20056H146 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 08/31/1993 |
| From: | Carter J DUKE POWER CO. |
| To: | Eleazer T SOUTH CAROLINA, STATE OF |
| References | |
| NUDOCS 9309080295 | |
| Download: ML20056H146 (11) | |
Text
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11 l
' DukeIbwer Company Generation Smsces Department 1.U33Itagers Ferry Road lianterset!!e, NC28078 7929 DUKEPOWER August 31, 1993 Mr. Timothy M.
Eleazer Industrial and Agricultural Wastewater Division South Carolina Department of Health and Environmental Ccntrol 2600 Bull Street Columbia, SC 29201
Subject:
Catawba Nuclear Station NPDES Permit No. SC0004278 Notification of Maintenance Chemical File: CN-702.13
Dear Mr. Eleazer:
Pursuant to Part III item A. 9. Catawba Nuclear Station is planning to change to a molybdate based corrosion inhibitor program. If this program is successful it will be implemented in several closed cooling water systems that currently use sodium nitrite as their main corrosion inhibitor. Once implemented this program would significantly reduce the amount of sodium nitrite that is used at Catawba Nuclear Station.
l The product will be utilized in closed cooling water systems and will only be discharged on an intermittent frequency during system maintenance or possibly by leaks.
It potentially could be discharged via Outfalls 001 and 002 to Lake Wylie.
)
The product will primarily be discharge through butfall 002-the conventional waste treatment system (WC).
When cooling system j
maintenance is required the product would be drained to the WC system and discharged via outfall 002. The product could also be discharged through outfall 001 due to system leaks or system drainage via the liquid radwaste system.
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9309080295 930831 7
PDR ADOCK 05000413 -
P PDR L
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,s Attachment #1 provides the information that is required by Part III
{
A item 9 of the subject permit. Attachment #2 provides toxicity information on a typical molybdate based corrosion inhibitor product to be used - Performax 330.
Attachment #3 provides toxicity test results on nitrite.
A comparison of this toxicity data indicates that nitrite is the most restrictive compound. With reference to the subject NPDES permit j
Part III A.
item 8.
the NOEC for nitrite is 4.3 mg/l ( 6.-
mg/l as sodium nitrite).
i Attachment #4 is a copy of the Material Safety Data Sheet (MSDS) for Performax 330.
Performax 330 is a typical product that is planned on being used. Different proprietary names for the same i
compound may be selected for use. The attached MSDS identifies the various ingredients along with their CAS numbers.
Summary t
Based on the information provided, it is requested that the use of t
a molybdate based corrosion inhibitor be approved and that a limit of 4.3 mg/l (6.'4 mg/l as-sodium nitrite) for nitrite for Outfalls 001 and 002 be established. If approval is granted Catawba would i
like to begin use of this product by October 20, 1993. Please note i
that 4.3 mg/l of nitrite is equivalent to 1.3 mg/l NO -N/l or l
2 nitrite as nitrogen If you need additional information please give John Estridge a call at (704) 875-5965.
Sincerely, l
h Y
Q, w llk i
Jo n S. Carter, Technical System Manager Environmental Division, Water Protection I
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NRC Document Distribution i
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J.T. Harris-CN01EM A.P. Jackson-CNO3CH J.S. Velte-MG03A3
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M.A. Lascara S.D. Davenport-EC07D C.L.
Peed W.J. Davis-CN01CH R.R. Wylie G.W. Sain-EC07D i
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ATTACHMENT 1 CATAWBA NUCLEAR STATION PROPOSED MAINTENANCE CHEMICAL LIMIT i
AUGUST 26, 1993 NPDES PERMIT SC0004278 PART III ITEM 9 REQUIREMENTS
- 1) NAME AND GENERAL COMPOSITION OF THE MAINTENANCE CHEMICAL a)
Sodium Nitrite b)
Sodium Molybdate c)
Sodium Metasilicate Anhydrous For the general composition of the maintenance chemical please i
refer to the attached Material Safety Data Sheet.
- 2) QUANTITIES TO BE USED Approximately 1000 pounds / year of this product are to be added to closed cooling systems.
- 3) FREQUENCY OF USE i
Product will be added to plant systems as needed to maintain concentration levels of between 1000 and 3000 mg/1.
q 4)
PROPOSED DISCHARGE CONCENTRATION Based on toxicity information as referenced in Part III A.
Item 8, the NOEC for nitrite is 4.3 mg/1.(6.4 mg/l as sodium nitrite) Therefore a daily maximum limit of 4.3 mg/l Nitrite per an occurrence is requested for Outfalls 001 and 002.
Sampling to confirm compliance with this limit would be required whenever maintenance activities or leaks occur that have the potential to exceed the value of 3.5 mg/1.
5)
EPA REGISTRATION NUMBER unknown 6)
AQUATIC TOXICITY INFORMATION See Attachments #2 and #3.
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PERFORMAX" 330 Conn 0SION INHIBITOR l
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i AQUATIC TOXIf,12DC i
96 HOUR LC50 RAINBOW TROUT:
1,581.1 mg/l (CONFIDENCE LIrgTS 95%:
1,000 - 2,500 mg/1)
- NOEC RAINBOW TROUT:
.1,000 mg/l 96 IIOUR LC50_ FATHEAD MINNOW:
812.3 mg/l (CONFIDENCE LIMITS 95%:
682 - 968 mg/1)
NOEC FATHEAD MINNOW:
500 mg/l 48 HOUR LC50 DAPHNIA MAGNA:
526.8 mg/l (CONFIDENCE LIMITS 95%:
381 - 738 mg/1)
NOEC DAPHNIA MAGNA:
125 mg/l 2
i
- i f
- HOEC - No observed ef fect concentration.
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. Memo to:
Mitch C.
Griggs Date:
24 January 1990 t
Subject:
Acute and Chronic Toxicity of Nitrite (as NANO ) to
{
Ceriodaphnia dubia 2
Data reported previously regarding chronic toxicity of nitrite to C. dubia (memo from J.S.
Velte to M.C. Griggs dated 10 January 1990) is in error and should not be used.
I was notified by our i
chemists this morning that the results of prior nitrite analyses had been reported erroneously to me as "mg NO /L" when, in fact they were "mg NO -N/L".
In other words, the concentrations that 2
3 I had been provided represented only the mass of the nitrogen component of the nitrite ion, not the entire ion.
This problem i
is easily corrected by multiplying the values reported previously by 3.28.
A revised analysis of the chronic toxicity test is
}
reported here, as are the results of a recently completed and
" properly" analyzed acute toxicity test with Cb, dubia.~~ Please accept my apologies for any confusion this has caused you.
On the bright side, we no longer need be concerned about the mysterious disappearance of nitrite in lake water (we've recovered essentially 100% of what was added).
And, nitrite has
}
proven even less toxic to C6,dubia than we had originally thought!
i Here are the revised chronic test results, based on measured NO concentrations (see Table 1).
The raw data are attached.
2 NOEC =,4.3 mg NO /L 2
LOEC = 8.5 mg NO /L f
2 Chronic Value (CV) m/4.3 X 8.5 = 6.0 mg NO /L
=
2 A Moving Average-Angle (MAA) analysis of the 48-hour static acute t
test data gave the following LC50 and associated 95% confidence limits (again, the raw data sheet, and a graph of the nominal vs.
measured exposure concentrations -- Figure 2, are attached).
LC50 = 28 mg NO,/L Lower and Upper 95% Confidence Limits = 21 and 39 mg NO /b 2
If you have questions, concerns, or need additional information, please call me.at 875-5237.
Again, I'm sorry for the confusion.
i Jb S.
Velte i
Scientist i
cc w/a ttachments:
R. Biswas K.
Finley G.
Vaughan l
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czRITAsPJrrA Ocnn Cp3EIC TOKICITY TEST can SEEIT Industry / Toxicants _ b)th-N_ /gs Me.f% }
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FIGURE 2 Nominal and Measured Concentrations of NO Water.
2 in Lake Wylie (from:
acute toxicity of nitrite to L dubia test)
R-c.
128 7
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x 121 o
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16 15.7 o - 8.0 7.2 0
1 2
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5 EXPOSURE TREATMENT NUMBER i
l
- ;gg,;;g,,
c.m2rpacy MATEAL SAE On:a Orsw Plaza. Soont:n. N1w J:rs:y 07005 Telcph:ns DATA SHt:tg Phona (2011263-7600/Telax 136444 1(800) 274-5263 e 1(800) ASHLAND k
DEFINmONS c nw This defimtion page is intended for use with Material Safety Cata Sheets supplied by the Orew Chemical Corocration.
Recioients of these cata sheets snould consult tne CSHA Safety ano Heatth Stancards (29 CFR 19102. parucutariy G - Occucational Heastn and Environmental Control, and subcart - Personai Protective Ecutornent, for suocar generai guiaance on controi of potential Occupationai Heaith ano Saf ety Hazaros.
SECTION I SECTION IV 4.ont)
PRODUCT IDENTIFICATION EXTINGUISHING MEDIA:
Followng National Fire GENERAL OR GENERIC ID: Chemical f am>Iv or product Protection Association criteriau cescription.
FIREFIGHTING PROCEDURES: Minimum equipment to DOT HAZARD CLASSIFICATION: Proouct meets DOT protect firefighters trom toxic procuets of vaoonzation.
criteria for hazaros listed.
comoustion or decomoosition in fire situations. Other firefighting hazards may atso be inoicated.
SECTION 11 SPECIAL FIRE AND EXPLOSION HAZARDS: States COMPONFNTS hazarcs not covered tav other sections.
Comconents are listed in this section if thev present a NFPA CODES: Hazard ratings assigned by the National physical or health hazaro and ere present at or aoove Fire Protection Association 1% en tne mixture. If a component is identified as a CARCINOGEN by NTP. IARC. or OSHA as of the~ oate SECYIOh-on the MSDS. it wdl be hsted and f ootnoted in' this HEALTH HAZARD UATA section wnen present at or wcve 0.1*. in the procuct.
Negauve conNsions concerning carcinogemcity are not PERMISSIBLE EXPOSURE LIMIT: For product.
a:.m; m Acditionat hearth inf ormanon may be found in THRESHOLD LIMIT VALUE: For-product.
i Section V.
Components suolect to the reporting EFFEC 3 OF ACUTE OVEREXPOSURE: Potential local recuir ements of Section 313 of SARA Title lit are ano x.
W ects due - singte or snort term t
identified in the f ootnotes in tnis section. along with overex osure to the eyes ano ein or through innatation typical cercentages. Other comoonents mav be listeo if a a :.cn.
deemeo accropriate.
E3cosure recommendations are for comoonents. OSHA EFFECTS OF CHRONIC OVEREXPOSURE: Potential local and systemic ef f ects due to repeated or long term
- ermissible Exposur e Limits (PELS) and American Conference of Governmental Inoustrial Hygienists overexposure to the eyes anc skin or through inhalation or ingestion.
(ACGiH) Threshold Limit Values (TLVs) apcear on tne hne with the component identification.
Other FIRST AID: Procedures to be followed when deshng recommendations appear as footnotes.
with accidental overexposure.
SECTION til PRIMARY ROUTE OF ENTRY: Based on properties and PHYSTCAL DATA expected use.
EUN W DOfLING POINT: Of product if knowrt The lowest vaaue of the components is listeo f or mixtures.
REACTIVITY DATA HAZARDOUS POLYMERIZATION: Conditions to avoid to VAPOR PRESSURE: Of proouct of knowrt The hignest prevent hazardous polymerization resulting in a large value of the components is listea for mixtures.
reiease of energy.
SPECIFIC VAPOR DENSITY: Comeared to AIR =
- 1. I f STABttMY: Conditions to avoid to prevent hazardous or tna Specific Vapor Oensity of a proouct is not known.
violent decomposition.
the value es expressed as hgnter or greater than air.
INCOMPATIBILITY: Materials and conditions to avoid to SPECIFIC GRAVITY: Compared to WATER
=
1.
If Specific Gravity of product is not known the value is prevent hazardous reactions.
expressed as less than or greater than water.
SECTION Vil pH: If applicable.
SPILL OR LEAK PROCEDURES PERCENT VOLATILES: Percentage of material with initial boding point below A25 degrees Fahrennert and Reasonaole precautions to be taken and methods of vccor pressure above fl.1mm Hg at S8 F.
containment, clean up and disposal Consult federal EVAPORATION RATE: Indicated as faster or stower a
am m h es W
. than ITr% ETHE~t unless etnuwise stated.
any moorting r n tificauen requirements.
y SECTION Vill r1RE AND EXPLOSION DATA FLASH PO!NT: Method identified.
Protective equipment which may be needed when handting the product.
EXPLOSION LIMITS: For proouct if known. The towest value of the components ss insted for mixtures.
SECTION IX HAZARDOUS DECOMPOSITION PRODUCTS: Known or expected hazarcous procucts r esuiting from heating.
burning or otner reactions.
Covers any relevant points not previously menuoned.
ADDITIONA1. COMMENTS Comainers snould be eitner reconoitionea by CERTIFIED firms or properiv discosed of by APPROVED firms. Discosat of container s snould te
.n accorcance wem aopiscacie ta vvs and r eculatinns. "EMP TY" arums snould not be given to
.ncividuais. Senous accidents save resuited from tne rmsuw of ' EMPTIED' containers (drums.caits.etel Ref er to Sections
'V ano u
~
- MATERIAL SAFETY arwe omeAA car-
= A setisy Ons Drew Plaza. Boonton. Naw Jrrsey 07005 Telephone DATA SHE Phone (2011263-7600/Telax 136444 1(800) 274-5263 or w
1(800) ASHLAND od2874 PERFORMAX(TM) 330 COOLING WATER TREATMNT Page:
THIS MSDS CCMPLIES WITH 29 CFR i910.1200 (THE HAZARD CCM41N! CATION STANDARD
..............................................................................................)..........
Proouct Names PERFORMAK(TM) 330 COOLING kATER ~REATMiT CD 10 922 Data Sheet No: 023118s-004 Preparea:
05/29/91 DREW INDUSTRIAL O! VISION 500 ARO OALE ORIVE Superseces : 0A/24/94 SUITE 115 01ARLOT~E PRODUCT:
4918001 INVOICE:
NC 28210 INVOICE OATE:
70: DREW INDUSTRI AL O! VISION O!$TRICT MANAGER 500 AROCALE ORIVE OiARLOTTE t
W
? NO 1 ag e s* r, m m.m.s.n e t*Iy 4 minela a r m a m*r.n u m'!,
General or Generic ID: COOLING WATTR TREATMENT DOT Hazarc Classificatient OrN-E IF PRESENT. I ARC. NTP AND OSHA CARCINOGENS AND OEMICALS SUEUECT 'O THE REPORT-ING REQUIREMENTS OF SARA TITLE !!! SECTION 313 ARE IDENTIFIED IN THIS SECTION.
SEE DEFINITION.P. AGE FOR CLARIFICATION INGREDIENT
% (t:y WT)
PEL TLV Note 500!UM NITWITE CAS s: 7632-00-0 10-25
( 1) t i
500!UM M)LYBOATE CAS s: 7631-95-0 1-10 S NG/M3 C. 4 SOCIUM NITRATE USs 7631-99-4 1-10
( 2)
SODIUM METASILICATE ApeWCROUS 1-10 15 pC/M3 10 MS/M3
( 3)
CAS s: 6834-92-0 F
Hotes:
( 1) PEL/TLV NOT ESTABLISHED FOR THIS MATERIAL
( 2) PEL/TLV NOT ESTABLISHED FOR THIS MATERIAL
( 3) PEL AND TLV ARE FOR TOTAL NUISANCE FARTICULATES.
Botling Point for COMPONENT (
55-70%)
212.00 Deg F
(
100.00 Deg C) 760.00 m Hg Vapor Pressure f cr C04PONENT(
55-70%)
17.50 m Hg e
68.00 Deg F
(
20.00 Deg C)
Soscif1c Vaocr Censity KAVIER THAN AIR Specific Gravity t.250 t
e 77.00 Ceg F
(
25.00 Des C)
Percent Volatiles t
55-70%
Evaporation Rate SLOWER THAN ET}ER get 12.9 Appearance r
CLEAR. YELLOW l
State LIOJID FLASH POINT NOT APPLICABLE EXPLOSIVE LIMIT NCT APPLICAOLE EYTINGUISHING MEDI A: WATER FOG l
HAZARDOUS DECOMPOSITION PRODUCTS: MAY FORM T0XIC MATERI ALS:. N!*ROGEN COMPOUNOS FIRLFIGHTING PROCEDURES: WEAR SELF-CONTAINED BREATHING APPARATUS WIN A FULL FACEP rRESSURE DEMAND M10E AND FULL BODY PROTEC* ION W4LN FIG M NG FIRES.
4 COPYRIGHT 1991 CONTINUED ON PAGE: 2
.-