ML20059E582

Requests one-time Approval to Discharge Maint Compound Used to Chemically Clean SG for Unit 2

ML20059E582
Person / Time
Site:	Catawba
Issue date:	12/28/1993
From:	Carter J DUKE POWER CO.
To:	Eleazer T SOUTH CAROLINA, STATE OF
References
NUDOCS 9401120050
Download: ML20059E582 (32)

Text

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? Duke Ibuer Company Generatwn Sernces lh partment l l

IHl9 llagers ihrry Road l 1luntmnlle. NC28078 7929 l l

l I i i l DUKEPOWER December 28, 1993

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Mr. Timothy M. Eleazer Industrial and Agricultural Wastewater Division South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, SC 29201

Subject:

Catawba Nuclear Station -NPDES Permit No. SC0004278-Steam Generator Chemical Metal Cleaning File: CN-208.20 Certified: 068 519 062

Dear Mr. Eleazer:

This letter is being written to request a one time approval to discharge a maintenance compound used to chemically clean the steam generators. In May 1994 Duke Power Company will perform a steam generator chemical cleaning. Four steam generators for Catawba Unit 2 will be cleaned during this process.

Treatment Chemicals Ethylenediamine (EDA) and ammonium carbonate (NH ) 2CO have been 3 selected as the treatment chemicals to use for the cleaning. These '

compounds have been selected to attack the copper and iron build up within the steam generator and not to attack the base metals. )

i EDA is less aggressive than the more commonly used chemical of EDTA 1 (diammonium salt). The EDTA has been commonly used for this type of cleaning and if used would yield significantly higher concentrations of copper and iron in the resulting wastewater.

Please find attached information on EDA and ammonia carbonate required by the permit (Part III, item 9) which is necessary to obtain approval.

l Wastewater Treatment  !

Temporary treatment equipment will be used to treat this wastewater prior to discharge. A separate submittal will be made to describe 9401120050 931228 PDR V Y

Y ADOCK 05000414 -) \

PDR * '()O! i

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1 Page #2

! CNS Steam Generator Cleaning l

the temporary treatment in order to obtain the necessary State  ;

l approvals. Prior to finalizing the temporary treatment system design, it is necessary to know if additional monitoring above the existing permit requirements is going to be imposed.

As a result of this cleaning approximately 40,000 gallons (0.04 MG) of liquid waste will be generated. The approximate composition of this waste will be 3% by weight ammonium carbonate (NH ) 2CO 3, 3 % by 4

weight ethylenediamine (EDA), 400 ppm copper, 50 ppm iron, and the balanced deionized water. The wastewater will be slightly radioactive. l t

t Prior to any treatment, the waste will be analyzed to determine if  :

it is hazardous. Upon determining that the waste is non-hazardous i l it will be treated to comply with the effluent limits coitained 3 in

, the NPDES permit for this facility.

The liquid waste will be processed through internal outfall 004 and i then to Lake Wylie by means of outfall 001. Outfall 004 has i permit limits of 1 ppm for copper and 1 ppm for iron.

Precipitation by chemical coagulation coupled with filtration is the anticipated process to be used to remove the metals prior to  !

discharge. The process would be composed of chemical addition equipment, coagulation / settling tank, filter press, and a monitor ,

tank. Each tank would be sampled and analyzed to verify compliance  !

prior to discharge. Along with existing limits, the pH at outfall l 001 will be maintained between 6.0 and 8.0. '

Attached to this memo please find a flow diagram describing the work to be performed.

Summarv -

Duke Power is requesting approval to use EDA and ammonium carbonate for use in chemically cleaning the steam generators for Unit 2.

Additionally, it is requested that the State determine if any additional monitoring will be imposed due to this discharge. Duke Power will then finalize our treatment system and submit the '

necessary information to the State for review.

If you need additional information or have any questions please call John Estridge at (704) 875-5965.

Sincerely, 9 _ ^' -

-[

ohn Carter, Technical System Manager Environmental Division, Water Protection jte/270

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Page #3 CNS Steam Generator Cleaning (

F cc: NRC Document Distribution i

Attachments: #1 Chemical Information and MSDS Sheets .'

1. 2 Flow Diagram t

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bc: J.T. Harris-CN01EM l A.P. Jackson-CNO3CH M.A. Lascara i G.W. Sain-EC07D J.W. Bramblett-EC07D C.L. Peed-CN01EM W.J. Davis-CN01CH R.R. Wylie l G.W. Sain-EC07D  ;

J.S. Velte i D.L. Vaught M.E. Hollis ,

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t ATTACHMENT 1 i

CATAWBA NUCLEAR' STATION i PROPOSED MAINTENANCE CHEMICAL LIMIT i i

DECEMBER 28, 1993

• i NPDES PERMIT SC0004278 PART III ITEM 9 REQUIREMENTS j

1) NAME AND GENERAL COMPOSITION OF THE MAINTENANCE CHEMICAL a) Ethylenediamine (EDA) l I

b) Ammonium Carbonate (NH. ) 2CO3

2) QUANTITIES TO BE USED ',

40,000 gallons of a solution of approximately 3% EDA and 3%

Ammonium Carbonate will be used for the cleaning.

3) FREQUENCY OF USE  :

This compound will be used for a single chemical metal i cleaning of the steam generators for Catawba Unit #2.  ;

4) PROPOSED DISCHARGE CONCENTRATION l The discharge at outfall 004 will be less than 1.0 ppm iron, and 1.0 ppm copper. ,

The Discharge at Outfall 001 will have a pH between 6.0 and 8.0. The EDA concentration will be less than 1.0 mg/1, Total ammonia will be maintained less than 1.0 mg/1.

5) EPA REGISTRATION NUMBER a) Ethylenediamine. CAS# 000107-15-3 b) Ammonium Carbonate. CAS#506-87-6

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6) AQUATIC TOXICITY INFORMATION a) Ethylenediamine.

Acute LC50 Daphnia magna (water flea) 0.88-16 mg/l Pimephales promelas (Fathead Minnow) 116-220 mg/l b) Ammonium Carbonate.

When mixed with water, ammonium carbonate dissociates to ammonia and carbonate. Chronic Daphnid toxicity to unionized ammonia has been reported to vary from 0.3 to 1.2 mg/1.

The toxicity of total ammonia (mg/l NH 3 ) is typically higher than that of unionized ammonia. Please see the attached EPA 4

..cc , , , - , , ~,-g,,., ,e y ,m- - , ,.g.. ,

l document Ouality Criteria for Water 1986, EPA 440/5-86-001.

This document shows a 4-day average concentrations for total ammonia at 20 C and a pH of 8.0 Std. Units to have a toxicity of 1.31 mg/l (See Table 2, section B - Salmonids and Other Sensitive Coldwater Species Absent) i I

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/ occ za 'm 01:42PP1 IXMLL [ p,af7 NATERIAL SAFETY DATA 5HEET Dow Chemical U.S.A.* Nidland. HI 48674 Emergency Phone: 517-536-4400

[f 2 $1 Product Code: 30421 Pages 1 Product Namel ETHYLENEDIANIME -

Effective Datei 08/17/89 Dats Printed: 11/22/90 MSDS 000161

1. INGREDIENTS: (X w/w, unless otherwise not:od)

• Ethyl enedl emi ne f CAS# 000107-15-3 994 This document is prepared pursuant to the 05HA Hazard communication Standard (2p CFR 1910.1200) . In addition ether substances not ' Hazardous per this 0$HA Standsird may be listed. j Where proprietary ingredient shows, the identil:y may be mode evallable as provided in this standard.

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2. g yggt gg74 l

b08 LING P01NTt 239f, 115C VAP. PRESS: 10 mHg $ 20C VAP. DINSITYt 2.07 SQL. IN WATER: Mixes completely.

SP. GRAVITyl 0.893-0 906 15/25c FREEZING PolHT: 51F. 11C APPEARANCEt Colorlete liquid.

000R1 AsanontacaI odor.

3. FIRE AW EXPLDSIDN HAZARD DATA: i FLASH PolNT: 101f. 36C KITH 00 U$ED: PMcc FLAMABLE LIMITS -

LFL: 2.R g 100C UFL: 14.2% 5100C

• EXTlHQUISHING MEDIA Water fog, alcohol foam, CO2, dry chemical.

TIRE 6, EXPLOSION HAZARDS: Not avsllable.

FIM-FIGHTlWD EQUIPMENT: Use full protsetive clothing (see contInuact on Ps e 2) 10 Indicates a fredemerk of The Dow Chemical Company .

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NATERIAl. SAFETY DATA SHEET Dow Chemical U.S.A.* Nidland, MI 48874 Emergency Phonet 517-636-4400 P(*oduct Codel 3dI>21 Psget 2 Product Namn: ETHYLENEDIANINE Effective Datas 08/17/83 Dats Printads 11/12/90 MSD1:000161

.3. FIRE AB EXPLD5Im! HAZARD DATA: (00NTiltlED) section 6) and a posltive pressural self-con *:alned bresthing apparatus.

4. Rl! ACTIVITY DATA: .

STAllLITY: (CONDITIONS TO AVOID) Autolgnition temperature in air is approximately 763F, 406C.

lHCOMPATIBILITY ($PECIFIC MATERI ALS TO AVOlD] Acid, oxid!2ing * .

isatsrlal, halogenated organic compounds aidsthydes, ketones.

and acrylates. Mixture with thste materials still result in a temperature and/or pressure Increase.

HAZARDOUS DECCMPOSITION PRODUCTS: Nitrogen oxides when burned.

HAZARD 0!J8 POLYMERIZATION: Will not occur.

5. ENVIRONMENTAL AND DISPOSAL INFollMAT!DN:

ACTION TO TAKE FOR SPILL 5/ LEAKS Large spl11 dilute with water. Pump into appropriata con:alners.p dikt u and '

Small spill - diluts with water and recover or use noncombustible absorbent materlal/ sand and shovel into suitable containers.

Ol5P05AL METHOD: Large quantitles could be rei: overed. Otherwiss, Incinerate in accordance with local regulations. Do not durap into newsrs, on the groured or into any body of water. The Dow Chemical company esy be contacted for advice,

6. HEALTH HAZARD DATA: 1 EYt l May cause savers Irritation with carnsal injury which may '

result in permanent impairment or vision, even blindness, Vapora may irritate ayes. i' l

(Continusd on tags 3) '

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P, af;r MATERIAL SAFETY DATA S H E;E T

. Dow Chemical U.S.A.* Widland. WI 48674 lbmergency Phone: 517-636-4400 Product Code: 30421 Pages 3 Product Name: ETHYLENEDIANINE -

Effective Dates 08/17/89 Oste Printadt 11/22/90 MSD5:000161

6. E HEALTH HAZAltD DATA: (CONTINUED) t SKIN CONTACT: Short single exposurs'may cause lievere skin burns.

Has caused allergic skin reactiona in humans.

00T Classifications Corrosiva.

SKIN ABSORPTION: A single prolonged exposure 16ay result in the material being absorbed in harmful-amounts. The LD50 for skin

.- absorption in rabbits is 657 as/kg.

INGESTION: Single dose orst toxicity le low to moderate.

Ingastion may cause gastrointestlns! Irritation or ulceration.

May cause severe burns of the isouth and throat. The LD50 1s 14b0 mg/kg for rats and 470 mg/kg for guinea pigs.

, llGI Al.ATION: Excessiva vapor concentrations are attainabis arid

, could ha hazardous on alngle exposure. Excansive exposure may l cause severe irritation to the upper respiratory tract. Ma l cause respiratory sensitisation in susceptible Individuals.y l SYSTEMIC 6 OTHER EFFICTS: Repeated excessive exposures tsay causa .

Ilver and animal kidne injury. Did not cause conc $r In long-term studies.y Birth defsets are unlikely. Exposures having no ef fect on the facthar should have no effect on the fetus. Did not cause birth defects In animalst other effects were seen in the fetus only at desen which caused toxic effect's to the '

tre the r , in anlmal studies, has shown not to Interfers with reproduction. Preponderance of negativa det.t ladlcates alnlmet or no mutagenlc potential.

7. FIltST AID:

EYE $s isnediate arid continuous irri flowing water for at least 30 minutes is Imperativa.gation wit 1 Prompt msdlest consultation is essantial.

SKIN: In case.of contact. Immadlately flush skin wlth plenty of water for at least 15 minutes wh!1a rarnoving contaminated clothing and shoas. Call a physician if irritation persists.

(Continued on Page 4)

(R) Indicatas a Trademark of The Dow Chemical Compent l a. An Opersting unit of The Dow Chernical Company j l

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RCV WayERux Tt2.ECOPIER 7010 212-23-92 3:4?rtt : j 250 03234 N:H 5 DEC 23 '92 01:44PN DOLEU., p,s/7 NATERIAL SAFETY DATA SHdET .

Dow Chemical U.S.A.* Widland, MI 48674 Emergency Phone: 517-836-4400

. Product Codat 30411 Pages 1. .

Product Name: ETHYLEREDIANINE Effective Datet 08/17/89 Date Printed: 11/22/S0 MSD$t000161

7. FIRST AID: (CG(TINUD) I r

Wash clothing before reuse. Destroy contaminated shoes and other teather Itama or articles which cannot be decantaminated. i INGESTION: Do not Induce vomiting. GIvo large amounts of water  !

or milk if available and transport to medical faellity. l t

INHALATl0Ns Aamove to fresh air if effects occur. Consult a phyalcian.

• NOTE TO PHYSICIAN: Corrosive. May cause stricture. If lavage is performed, suggest endotracheal and/or scophagoscopio control.

If burn is present, treat as any thermal burn, after decontamlnation. No specific entidote. Supportive care.

Treatment based on Jungment of the physician in responsa to i reactions of the patlant. tacessivs exposura may aggravate preexistlng asthma, liver and kidney disasse.

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8. HANDLING PRECAUTIONS '

EXPOSURE GUIDELINE ($): ACGlH TLV and O5HA Pd, are 10 ppm.

VENTILATION: Control airlorne concentrations below the aposure cuidallna. Use only w'Ith adequat6.ventilatlen. Local axhaust ventilation may be necessary for some operations.  !

RESPIRATORY PROTICTION: Atmospheric levels should.be maintalnad below the exposure guideline. When respiratory protection is requlrad for certeln operatione, use an apprwed air purifying respirator.

SKIN PROTECTION: Use protective clothing Impervleus to this sta tar i a l . Selection of specific itens such as gloves, boots, apron or full-body suit will depend on operation. Wear a face-thield vilch allows una of chemical gogglet, or wear a full-race respirator to protect f ace and eyes *(hen there is any likelihood of splashes. Safety shower should De located in immediate work area. Remove contaminated clothing luunediately, (continued on Paga 51- .

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Effective bates 03/17/89 Date Printed: 11/22/90 MSDE:000161 i

8. HANDLING PRECAUTIOltS (CONTINUED) f

$ wash skln area wTth soap and water / and laun:fer clothing befors l i reuse. Cchtuminated leather items, such as shoes, belte and i j watc%and6. should be reinoved and destroyed.

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1 EYE PROTECTICN Ua's chemical gog Wear a face-shleid which <

allows use of chemical goggles,gles. or wear a full-face respirator i i

to protect face a'nd eyes when thers is any llkallhood of -

l splashes. If vapor exposure causes eye discamfort, use a full-* .

free respirator. Eye wash fountain should bp-located in j lausediate work area.

9. ADDITIONAL INmlNATIONI l l

l REGUI.ATORY REQUIREMENTS:

i SARA HAZARD CATE00RYs This product has baan reviewed j

according to the EPA ' Hazard Categories' prcanulgated under Sections 311 and 312 of the Superrund Amendesnt and Resuthorlaation Act of 19116 (SARA Title Ill) and is

/ considerade under appilenble definitions, to meet the  ;

i following categerles:

An imodlate health hasard

A delayed health hazard a

A fire hasard i IPECI AL PRICAUTIONL TO BE TAKEN IN HANDLING AN) ETORAGIt Ground j all transfer equl~pment. Store below 120F, 4:)C and above $17, l 11C. Hold bulk aterage undar nitrogen blank et. Copper and 4

alloys of copper should not be used as they .are quickly corroded l by the product. '

j A$05 STATU$t Revised Stetton 9 .

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Dow Chemical U.S. A.* Midland, WI 48674 Ener0ency Phone: 517-636-4400 Product Codes 301:11 Page 6 ProductName: ETHYLENEDIMINE .

Effective Date: 08/17/89 Date Printed: 11/12/90 MSDS 1000161

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? ' . FIEri:DASIC CHEMICOLS>0000o06)J TO:17043823737 MAY 13 1933 1:50PM i:602 P.82 Ammoniuni Carbonate  !

Technical Bulletin I

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Physical properties Chemical behavior 8 nate

[Zy, $",1{c Ammonium carbonato is a white, cr)sta!!ine powder Wth a strong Ammonium carbonato gives or Molecular weight: 96.c9 carbon dioxide On contact with odor of ammonia. It decomposes acids and gascous ammonia on into ammonia, carbon dioxide, ehd corf.act with atl<alis, water at tempefaturcs owr 59'C ml. mpg and many d Mr Ammonium cagbonate is readily alloys are corroded by ammonium soluble in water yielding cli(# dry carbonata UU"O 80#" Stainicas stool, aluminum. Diass, m s. m aM Ms are Average chemical analysis Ammonia . . 3f.3% (305-3 m to ammh,mrWa Carbon dioxido . . . . . 55. % Ammonium carbonato reacts with Wator . . . . . . . . . . . . . . ~13. nitrites, e.g., codium nitrite at room Wator insolubles. . . . . 0.00 temperatura The reaction may bo Residuo on ignition accornpanied by flames and be (sulfate) . . . . . . . . . . . 0.00p% cxplosiva Iron . . .. . . . . . 0.000a%

Arsenic . . . . . . . . . . . . < 0.0001% App!Ications trad.. . . . .<0.000L% in chemk:al and pharmaooutical Zinc . . ....<0.0009% industrics it is used for analytical Copper . . . . . ....<0.000L% purpocos and in the production of Sulfaie .. . . . . . . 0.0002% orcaniccompounds, eg.,hetroo#es Ch!orido . . . . . . . . . . . 0.0001 % and in the manufacture d catalysts BASF ammonium carbonate corg-forms to the purity requirements bf the Food Chemical Codex.

AvercDe Drain size distributto OD 0.2mm . . . .. . . 20 %

0.2 0.5mm. .. . . . G0 %

Over OSmm. . . 20 %

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nutk dannty k apryoximatdy 900 kg/m8 I

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..- . FIU 1:IASIC OEt11CntNi>J T 0:17043823W2 t10Y 13.1993 1:SOPM #602 P.03

'It is alan tisod as a blowing DDent Storago ,

irogotm a }vtule the infortnation aM dsa in tfio mitnuf0Clure of coi!ular Ammonitam c'orbonate t.hould .ha"nnd i.) tins tuk:cn are preacnica in DwJ t tc plastics and foam rubber, .in the newr be clored in proxiinity to p og no,oo.jI cy, i,,gic nd, pbot

,, oowd to, a,v,rdiabki,

,,,,, ,no they j manufacture of casoin dyes, cascin sodium nitrite (soc chemical . oono. ficus or ular. unkss specnicarry ircor.

grues, and othor adhesiws, as well bobavior). r guated inwr Order /cknowtadoornett as an additive to photographic l@HNG W RW SHAD DC DELMCO lo Ammonium carbonate loses its cormn vit A avirway.Exencss on developors. frcollowing properties wthin a few le#f im TH(T LAO WOMON On DMA Ant conntai cuinAT THE monocrs in the textile industry it is used for , days and tonda to cake. Th. is does ocscn: BED,ARE MtnCHANTABLE on FIT FOR neutralizing in the carbonization not affect the chemical composition A PAld CUi (Jt PtKtPOSE. oft THAT SAlo process; in dyoing as a base that or usability. INFCmMW OMA ort PnoOUc4 CAN DE can be readily remowd by boili"9; T frMGWA7ENTS of Ammonitun carbonate must be USIO nano ram ""[a and as a noutralizing agont.

kept in tightly closed containers in " C'"

i in the cosmetic industry it is used a cool dry place. If it is exposed to as an additim to shampoos and air, gaseous arnmonia and carbon hair lotions as well as in smelling dioxide are liberated with an salts, attendant loss in weight. #

Ammonium carbonate is also usod  !

as a leawning agcat for biscuhs Pac @ g

""U ** Ammonium carbonato is sold in.

50 kg bags as weil as iri 52 ka and it is also used in the manufacture 145 kg drums.

of strippers for romoving Itrjers d nickel and copper from steel, plastics, and zinc substrates 4

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DASF Co[potution 100 Cterry'Hil flood Parsppany,' New Jerrsey 07054

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100 CHERRY HILL ROAD PARSIPPANY,, NJ 07054 . Original Date

02/11/1993 (800) 669-BASF , Rovi$lon Date: 02/11/1993 Emergonoy Telephonet (800) 424-9300 (CEENTREC)

~(800) #832-RELP (3ASF Hotline)

BOTH MJKDERS MG MMLAULE DMS, NIGHTS, WEEKENDSo & BobEDMS.

MN! MNbMNIIk!Nbb$0NNS.ibNEI121 NOM Y 5 N N - iOdO!lNdNAM Mb5O l

SECTION l'- PRODUCT INFORMATIQN s

Product 2n: NCI 019741

! AMNONIUM CARBONATE POWDER Common chemical Names Ammonium Carbonate Byaonymst

, k- Cryr.tal Anmonia j Molecular Formulas

((NH)4)(2)CO(3)

I Molecular Wt.: 196.1 Chemical Family: Inorganics l

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SECTION 2 - INGREDIENTS l i

chemi. cal Names CAB (1 Amountt PEL/TLV Datat Anstantus CartKnste lic 506-87-6 100.0 K pfESTASLISIND 1

3 - Donotes an IARC listed carefrngen  ;

N - Ofnotes an WTP listed cortirogen 0 - cetates an OSKA carcinvgen n - canotes an 00kA health hemord P - Denotes an 05kA physical horord ,

, C - tenotes a CCRCLA flated choolcat i Lee sectico 10A f or SARA 313 list.

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Ra1:aasic arritcntsxxxXXxXW TO:17043823797 t1AY 13.1M3 1:51Pf1 !!602 P.05 l - .

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- 1 k,ProductID: NCI 019741 Page 2 .

AMMONIUM CARBONATE POWDER 2U&EdisM$?M485fn3W3s!N MiD!-)f G M di&

SECTION 3 - PHYSICAL. PROPERTIES Colors colorless f Form / Appearance 2 Crystallino Platos Odor Amnonia Typical Low-RANGE-High U. O. M.

Spo. Gravity: NCT AVAILABLE -

Bulk Density: 800 -850 KG/CU. N pH 9 SU pH mothod 100 G/L H2O

+

Typical Low-P.ANGE-High Dog. 6 Pressure Boiling Pt! NOT AVAILABLE Freezing Pts NOT AVAILABLE D:8 comp. Tmpt NOT AVAILABLE C solubility in Water

Description:

Soluble Vapor Pressurer 60 MILLIBARS 0 20 DEG. C SECTION 4 - FIRE AND EXPLOSION DATA Typical Low-RANGE-High Deg. Method Plash Pointt NOT AVAILABLE Autoignitiont NOT AVAILABLE Extinguiohing Media:

Use water fog, foan or dry chemical extinguishing media.

Fire Fighting Procedurent Firefightors should be equipped with self-contained breathing apparatus and turn out gear.

l l Unusual Hazards:

1 Decomposes to aramonia and CO2 at temperatures >13(i F.

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FTnJ1: BTYi!C CHEt11COLSXXXXXXXW TO:17043823797 (10Y l3' . 1993 1:52f Tl 3:602 P 'b I

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( Proauot 10: NCI 019741 Page 3 AMMONIl1N CARBONATE POWDER iSiffesibssME @EEEi&N5Misi6!iEss$3NE92.Eds:i. NM SECTION~5 - HEAL _TH EFFECTS i

Routes of entry for solids and ligdids include eye and skin contact, ingostion and inhalation. Routes of er,try for gasses include inhalation and eye and skin contact.

Toxicology Test Data:

Rat, Oral LD50 - 2150 MG/KG Moderately Toxic -

Acuto Overaxposure Effects:

contact with the eyes and skin may result in slight irritation.

Scvare overexposure to ammonia may cause pulmonary odema and death Airbe,rna concentrations of 32 to 50 ppm have been reported to cause nasal t'.ryness while nose, thrmt, and chest irritation have been noted at levels as low as 72 pps chronic overexposure Erreats:

There are no known chronic effects associated with this material.

First Aid Procedures - Skin:

Wash affected areas with soap and water. Remove and launder contaminated clothing before reuse. If irritatiod develops, got medical attention.

First Aid Procedures - Eyes:

Immediately wash eyes with running water for 15 minutes. If irritation develops, get medical attention.*

Firot Aid Procedures - Ingestion:

If swallowed, dilute with water and immediately ipduce vomiting.

Never give fluids or induce vomiting if the victim is unconscious or having convulsions. Got immediato medical attentihn.

First Aid Procedures - Inhalation:

Hove to fresh air. Aid in breathing, if noccanarh, and get immediate medical attention. l First Aid Procedures - Notos to Physicianst Not applicable.

FirstAidProceduren-AggravatedMedicalConditihnst No data is available which addresses medical cond tions that are

FRO 1:OfEIC OEMICOLSXXXXXXW) TO:17043823797 MAY 13. 1993 1:52PM l'602 P.07

l

,s I

(,ProcuotIn: NCI 019741

. Page 4 AMMONIUM CARBONATE POWDER j

Mi$%i$d5iUS 8 M@#556(E d'.f@TNIE Hlhl M .il"iVi D ::. n:O E .- '..: : .

SECTION 5 - HEALTH EFFECTS (Co t.) l i

4 generally recognized as being aggravato'd by expoct re to this product.

, PleaGo refer to Section 5 (Effects of Otrerexposuro) for effects observed in animals.

1 i First Aid Procedures - Spoo'ial Precautionst Not applicable.

I w

• 4

SECTION 6 - REACTIVITY DATA

i.

' l Reactivity - Dtability Datar 4

j Unstable

( , Reactivity - Incompatabilityt Sodium nitrite and nitrate.

Reactivity - Conditions / Hazards to Avold Excessive tor.peratures.

Reactivity - Hazardous Dooompottition/Polymerizatidna l Hazardous Decomposition Products: CO2 and NII3. I Polymerization: Does not occur.

1 Ranctivity - Corrosiva Proportiost I

corronive. 1 necotivity - oxidizer Proportient  !

Not an oxidizer j SECTION 7 - PERSONAL PROTECT!0N Personal Protnotion - Clothing: i.

j, Gloves, coveralls, apron, and boots as necesDary ho prevent contact.

k- i I

E l

Y l

1

FTM1:D4 SIC OEt11CALSXXXXX)01U TO:17043823737 MAY 13, 1993 1:53PM 8:602 P.08 J

I  ;

L Proauot 10: NCI 019741 _l Page 5 AHMONIUM CARBONATE PQWDER 515hf//diBIUt#Miile#itibi1NJiiOs%#2 W5Miidis WM iMMlE SfM:t 900 2 wgM SECTION 7 - PERSONAL PROTECTION (' Cont.)

i

/

Personal Protection - Z:yent )

Chemical Goggles Personal Protection - Rospirations If' ducts are generated, wear an approved ' dust respirator.

Paroonal Protootion - Vantilationt Uco local exhauct to control dusta.

Parsonal Protnotion - Explosion Proofing Sec Section 4 - Fire and Explosion Data. 1 Other Personal Protection Datat i Eyewach fountains and cafety showers nuct be casily accessibio.

( Shower after handling. l l

SECTION8-SPILL-LEAK /ENVIRONNhNTAL i

J _

spill / Leak Procedures - GeneralI  ;

Spills should be contained and placed in a suitabIe container for disposal. This material contains a CERCIA ("Supo$ fund") regulated chemical subject to reporting requirements.

Spill / Leak Proceduras - Wasta Disposal: ,

Dispone of waste in accordance with all state andl local regulations.

Do not discharge into waterways or newer systems with out propor authority.

Spill / Leal Procedures - Container Disposals RCRA capty containers may be landfilled at a lice $ sed facility.

Recommend crushing or other means to prevent unauyhorized reuse.

Other containera must be dicpocod of in a RCRA licenced facility.

L SECTION9-STORAGEANDllANDLkNG l

l

I l411;lF til C CilbrilO tLSXXn00MA) l u: 1'M4dtLLf/9 / f1fiY IJ. 199J i .941 gg32 p,(39 1:*

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(,ProauetID: NCl 019741 Pago 6 AMMONIUM CARBONATE POWDER fi:ldsMi&#si OPMi it%difni 060MNi!?f:Ai!$OdiO!n SECTION 9 - STORAGE AND HANDLING (Cont.)

i d

storage ana Handling - General:

Keep away froin heat, aparks and open f1'amos.

SECTION 10A - FEDERAL REGULATORY IN FORMATION TBCA Inventory Status Listed on Inventory! YES RCRA Haz. Waste No.I NA CERCLA: YES Roportable Qty.: (If YES) 5000 LBS

( EPA Registration No.t , l l

SECTION IOC - OTHER REGULATORY INFORMATION  ;

)

I 1

No applicablo data for this section.

I SECTION 10D - ADDITIONAL REGULATORY TEXT No applicable data for thic section.

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I (gProductID: NCI 019741 _

Page 7 AMMONIUM CARBONATE POWDER ,

.I; 5.,.i .6i . O Gi ? C: H:. 'q SECTION 11 - TRANSPORTATION INFORMATION DOT Proper shipping Name! ,

NONE f DOT Technical Namer NONE '

DOT Primary Hazard Class: DO'8' Secondary Essard Class:

< l CIASS 9 IF ONLY SIIIPPED IN IT'S RQ NONE ,

DOT Label Ra'quireds NONE

( DOT Placard Required: DOT Poison Constituents NONE BASF comirioas ty coaear 3s4 un/wA coder n/a n/n atriaer w/A SECTION11B-INTERNATIONALTRANSh0RTATION No available data for this cection. ,

e  !

is a registered trademark of BASF Corporation. I

" is'a trademark of BASF Corporation.

WHILE BASF CORPORATION BELIEVES THE DATA SET FORTE! HEREIN ARE ACCURATE AS T11E DATE HEREOF, BASP CORPORATION MAKE3 NO WARRANTY WITII RESPECT THERETO AND EXPRESSINGLY DISCLAIMS AL.L LIABILITY FOR RELIANCE THEREON. SUCII DATA ARE OFFERED SOLELY FpR CONSIDERATION, INVESTIGATION, AND VERIFICATION. l N  !

END OF DATA SilEET I

united states ort;ce of weter

, E eronmental Protection lations and ta ords

( wa'er EPA 440/5-86-001 r

l l QUALITY CRITERIA i

for l

WATER

! 1986 .

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20*d PL6SSL83 01 m 8W E661-B W

3 i

u AMMONIA

SUMMARY

All concentrations used herein are expressed as un-ionized ammonia (NH3 ), because NH 3, not the ammonium ion (NH4+) has been demonstrated to be the principal toxic form of ammonia. The data used in deriving criteria are predominantly from flow through tests in which ammonia concentrations were mea'sured.

Ammonia was reported to be acutely toxic to freshwater organisms at concentrations (uncorrected for pH) ranging from 0.53 to 22.8 mg/L NH3 for 19 invertebrate species. representing 14 families and 16 genera and from 0.083 to 4.60 mg/L NH3 for 29 fish species from 9 families and 18 genera. Among fish species, reported 96-hour LC50 ranged from 0.083 to 1.09 mg/L for salmonids and from 0.14 to 4.60 mg/L NH 3 for nonsalmonids. Reported data from chronic tests on ammonia with two freshwater .i nv ertebrate species, both daphnids, showed 6t s at conc ations

[

(uncorrected for pH) ranging f om 0.304 to 1.2 mg/L NH 3 ,nd with nine freshwater fish species, romJ'iy_e fan _ilte and seven genera, ranging from 0.0017 to 0.612 mg/L NH3.

Concentrations of ammonia acutely toxic to fishes may cause loss of equilibrium, hyperexcitability, increased breathing, ,

cardinc output a n t'. oxygen uptake, a n d ,. in extreme cases, convulsions, celaa, and death. At lower concentrations ammonia has many effects on fishes, including a reduction in hatching success, reduction in growth rate and morphological development, and pathologic changes in tissues of gills, livers, and kidneyc.

E0*d PL6SS683 01 L.JOdd SS:PT E661-82-330

t I,-

several factors have been shown to modify acute NH 3 toxicity  ;

in fresh water. Some factors alter the concentration of un-ionized ammonia in the water by affecting the aqueous ammonia equilibrium, and some factors affect the toxicity of un-ionized ammonia itself, either ameliorating or exacerbating the' effects of ammonia. Factors that have been shown to affect ammonia toxicity include dissolved oxygen concentration, temperature, pH, previous acclimation to ammonia, fluctuating or intermittent exposures, carbon dioxide concentration, salinity, and the .

presence of other toxicants. gd The most well-studied of these is pH; the acute toxicity of gs5 /

NH 3 has been shown to increase as pH decreases. Sufficient data f f exist from toxicity tests conducted at dif ferent pH values to N / g@4 formulate a nathematical expression to describe pH-dependent acute NH 3 toxicity.

The very limited amount of data regarding effects of pH on chronic NH toxicity also indicates increasing 3

NH 3 toxicity with decreasing pH, but the data are insufficieht to derive a broadly applicabic toxicity /pH relationship. Data on temperature effects on acute NH toxicity are limited and 3

somewhat variable, but indications are that NH 3 toxicity to fish is greater as temperature decreases. There is no information available regarding tempe::ature effects on chronic NH 3 toxicity.

Examination of pH and temperature-corrected acute NH 3 toxicity values among species and genera of freshwater organisus showed that invertebrates are generally more tolerant than fishes, a notable exc7ption being the fingernail clan. There is no clear trend among stroups of fish; the several most sensitive pg d PL6SSL83 01 LJOdd 6S:#I E66I-82-330

. I k

[

tested species and genera include representatives from diverse j families (Salmonidae, Cyprinidae, Percidae, and Centrarchidae) .

Available chronic toxicity. data for freshwater organisms also I indicate invertebrates (cladocerans, one insect species) to be more tolerant than fishes, again with the exception of the fingernail clam. When corrected for the presumed effects of temperature and pH, there is also no clear trend among groups of i

• I fish for chronic toxicity values, the most sensitive species  ;

including representatives from five families (Salmonidae, i

cyprinidae, Ictaluridae, Centrarchidae, and Catostomidae) and having chronic values ranging by not much more than a factor or i two. i The range of acute-chronic ratios for 10 species f rom 6 {

families was 3 to 43, and acute-chronic rat,ios were higher for  !

j the spacies having chronic tolerance below the median.

Available data indicate that differences in sensitivities between I warm and coldwater families of aquatic organisms are inadequate to warrant discrimination in the national ammonia criterion ,

between bodies of water with " warm" and "coldwater" fishes; rather, effects of organism sensitivities on the criterion are most appropriately handled by site-specific criteria derivation  !

procedures.

for concentrations of NH Data 3 toxic to freshwater phytoplankton and vascular plants, although limited, indicate i that, freshwater piant species are appreciably more tolerant to NH 3 than are invertebrates or fishes.

The ammonia criterion

• appropriate for the protection of aquatic animals will therefore in all likelihood be sufficiently protective of plant life.

9 S0*d PL6SS683 01 WOdd 6S:PT E66T-82-333

I  %

t Available acute and chronic data for ammonia with saltwater I organisms are very limited, and insufficient to derive a saltwater criterion. A few saltwater invertebrate species have been tested, and the prawn Macrobrachium rosenbergii was the most sensitive. The few saltwater fishes tested suggest greater sensitivity than freshwater fishes. Acute toxicity of NH 3 appears to be greater at low pH values, similar to findings in freshwater. Data for saltwater plant species are limited to diatoms, which appear to be more sensitive than the saltwater invertebrates for which data are available.

More quantitative information needs to be published on the toxicity of ammonia to aquatic life. Several key research needs must be addressed to provide a more complete assessment of ammonia toxicity. These are: (1) acute tests with additional saltwater fish species and saltwater invertebrate species; (2) life-cycle and early life-stage tests with representative freshwater and saltwater organisms from different families, with particular attention to trends of acute-chronic ratios; (3) fluctuating and intermittent exposure tests with a variety of species and exposure. patterns; (4) more complete tests of the individual and combined effects of pH and temperature, especially I

for chronic toxicity; (5) more histopathological and

^

histochemical research with fishes, which'would provide a rapid means of identifying and quantifying sublethal ammonia effects; and (6) studies on effects of dissolved and suspended solids on acute and chronic toxicity.

l 93*d P46SS483 01 WOdd 6S:PI E661-82-330 )

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.{

NATIONAL CRITERIA:

The procedures described in the Guidelines for Deriving Numerical National Water Qualit'y Criteria for the Protection of Aquatic Organisms and Their Uses indicate that, except possibly l where a locally important species is very sensitive, freshwater

~

aquatic organisms and their uses should not be affected )

unacceptably if: i (1) the 1-hour

• average concentration of un-ionized ammonia '

(in mg/L NH3 ) does not exceed, more often th.n once every 3 years on the average, the numerical value given by 0.52/FT/FPH/2, 4

where:

FT = 10 0. 03 (20MP) ; TCAP $ T 5 30 100. 03 (20-T) ;

O 5 T $ TCAP FPH = 1  ; 8 1 pH 3,9 1+107*4-PH 1.25  ; 6.55pH $ 7.7 ,

TCAP = 20 C; Salmonids or other sensitive coldwater species present

=

25 C; Salmonids and other sensitive '

coldwater species absent

(*An averaging period of I hour may not be appropriate if excursions of concentrations to greater than 1.5 times the average occur iluring the hour; in such cases, a shorter averaging -

period may be needed.) ,

i (2) the 4-day average concentration of un-ionized ammonia (in mg/L NH3 ) does not exceed, more often than once every 3 years on the average, the average

• numerical value given by 0.80/FT/FPH/ RATIO, where FT and FPH are as above and:

1 LO*d PL6SSL83 01 WOdd 00:51 E66T-82-33G

i i '

s i e s

L j RATIO =.16  ; 7.7 5 pH $9 (

in7 7-PH (

= 24 _

1+107*4PH ;6.55 pH $ 7.7 4

, TCAP = 15 C; Salmonids or other sensitive cioldwater species present )

l

= 20 C; Salmonids and other sensitive  ;

coldwater species absent '

(*Because these formulas are nonlinear in pH and temperature, the

'l criterion should be the average of separate evaluations of the formulas reflective of th'a fluctuations of flow, pH, and temperature within the averaging period; .it is not appropriate

• in general to simply apply the formula to average pH, temperature, and flow.)

The extremes for temperature (0, 30) and pH'(6.5, 9) given in the above formulas are absolute. It is not permissible with  ;

current data to conduct any extrapolations beyond these limits.

In particular, there is reason to believe that appropriate criteria at pH > 9 will be lower than the pl'ateau between pH 8 and 9 given above. l l

Criteria concentrations for the .pH range 6.5 to 9.0 and the tenperature range O C'to 30 C are provided in the following tables. Total ammonia concentrations equivalent to each un-ionized ammonia concentration are also provided in these tables.

There are limited data on the effect of temperature on chronic toxicity. EPA will be conducting additional research.on the effects of temperature on ammonia toxicity in order to , fill perceived data gaps. Because of this uncertainty, additional site-specific information should be developed before these 80'd PL6SS683 01 WOdd 00:51 E661-82-33G

3 o criteria are used in wasteload allocation modeling. For example, 9 the chronic criteria tabulated for sites lacking salmonids are j less certain at temperatures much below 20 C than those tabulated at temperatures near 20 C.

Where the treatment levels needed to meet these c'riteria below 20 C may be substantial, use of site- l specific criteria is strongly suggested. Development of such criteria should be based upon site-specific toxicity tests.

Data available for saltwater species are insufficient to

, derive a criterion for saltwater.

The recommended exceedence frequency of 3 years is the Agency's best scientific judgment of the average amount of time it will take an unstressed system to recover from a pollution event in which exposure to ammonia exceeds the criterion. A stressed system, for example, one in which several outfalls occur in a limited area, would be expected to require more time for i recovery.

The resilience of ecosystems and their ability to recover differ greatly, however, and site-specific criteria may be established if adequate justification is provided.

The use of criteria in designing waste treatment facilities requires the selection ~'of an appropriate wasteload allocation model. Dynamic models are preferred for the application of these criteria. Limited data or other factors may make their use impractical, in which case one should rely on a steady-state model.

The Agency recommends the interim use of IQS or lQlO for  !

l Critericn Maximum Concentration design flow and 7Q5 or 7Q10 for l the Criterion Continuous Concentration design flow in steady-state nodels for unstressed and stressed systems respectively.

60'd P46SSL88 01 WOdd 03:51 E661-32-03G

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(2I e-sey e.orage concentrations for e.mont e.'

pH 0C 5C to C 15 C 20 C 15 C 30 C 1

a. _ saloonlos or other sensitive Cold =oter So*cles Present Un-lonized Ansonle (snpliter 8 HI3 6.50 0.0007 0.0009 0.0013 0.0019 0.0019 0.00l9 0.0019 6.75 0.0012 0.00t7 0.0023 0.0033 0.0033 0.0033 0.0033 7.00 0.0021 0.0029 0.0042 0.0059 0.0059 0.0059 0.0059 7.25 0.0037 0.0052 0.0074 0.0105 0.0105 0.0105 0.0105 7.50 0.0066 0.0093 0.0132 0.0186 0.0186 0.0186 0.0186 7.75 0.0109 0.0153 0.022 0.031 0.031 0.031 8.00 0.038 0.0126 0.0177 0.025 0.035 0.035 0.035 0.035 8.25 0.0126 0.0177 0.025 0.035 0.035 0.035 8.50 0.0126 0.035  !

0.0177 0.025 0.035 0.035 0.035 0.035 1 8.75 0.0t26 0.0177 0.025 0.035 0.035 0.035 9.00 0.0126 0.035 l 0.0177 0.025 0.035 0.035 0.035 0.035 1

Tatsi Ammodle (=0/ litec NH )

3 6.50 2.5 2.4 2.2 2.2 1.49 1.04 6.75 2.5 0.73 2.4 2.2 2.2 1.49 1.04 . 0.73 7.00 2.5 2.4 2.2 2.2 1.49 1.04 7.25 2.5 0.74 2.4 2.2 2.2 1.50 f.04 .0.74 1.50 2.5 2.4 2.2 2.2 7.75 1.50 1.05 0.74 2.5 2.2 2.1 2.0 1.40 0.99 8.00 1.53 1.44 0.71 1.57 1.33 0.93 0.66 0.47 8.25 0.87 0.82 0.78 0.76 8.50 0.54 0.39 0.28 0.49 0.47 0.45 0.44 0.32 0.23 8.75 0.25 0.27 0.26 0.17 0.27 0.19 0.15 0.11 9.00 0.16 0.16 0.16 0.16 0.13 0.10 0.08 l

........................................... l i

l 1

8. Selsealds ans Other sensitt wo cold.eter Species absenti '

Ure-lont red Amonia (ag/Ilter NH3 )

6.50 0.0007 0.0009 0.0013 0.0019 0.0026

(

6.75 0.0012- 0.0026 0.0026 0.0017 0.0023 0.0033 0.0047 0.0047 7.00 0.0021 0.0029 0.0042 0.0047 7.25 0.0059 0.0083 0.0083 0.0083 0.0037 0.0052 0.0074 0.0105 0.0148 7.50 0.0066 0.0093 0.0148 0.0148 0.0132 0.0186 0.026 0.026 0.026 7.75 0.0109 0.0151 0.022 8.00 0.031 0.043 0.043 0.043 0.0126 0.0177 0.025 0.035 0.050 8.25 0.0126 0.0177 0.050 0.050 0.025 0.035 0.0S0 0.050 8.50 0.0126 0.0177 0.025 0.050 8.75 0.035 0.050 0.050 0.050 i 0.0126 0.0177 0.025 0.035 0.050 9.00 0.0126 0.0177 ,0.025 0.050 0,050 0.035 0.050 0.050 0.050 Total Ammonta (ag/Ilter NH )

3 6.50 2.5 2.4 2.2 2.2 6.75 2.5 2.1 1 3.03 2.4 2.2 2.2 2.1 7.00 2.5 2.4 2.2 2.2 4

7.25 2.5 2.4 2.1 47 1.04 2.2 2.2 2 1.48 7.50 2.5 2.4 2.2 2.2 1.05 7.75 2.3 25' 1.49 1.06 2.2 2.1 2.0 1 8 1,39 8.00 1.53 1.44 1.37 1.33 8.25 0.87 1 1 0.93 0.67 0.82 0.78 0.76 0 8.50 0.49, 0.47 0.45

. 0.40 8.75 0.aa 0.45 0.33 0.25 0.25 0.27 0.26 0.27 9.00 0.16 0.16 0.27 0.21 0.16 0.16 0.16 0.17 0.14 0.18

• To convert twese values to sagit ter N, cultipf y try 0.822 t Site-spoet tic criteria development Is strcmgly suggested et temperatures store 20 C because of the lleited dets avellsSto to generets tho' criterle reconsendeflon and, ,

at tomoeratures below 20 C t>ecause of the llet ter data and tiecause seell changes In '.

the criteria mey have algnificant lapact on the level of treatiment requires.In smeeting the recosaended cel terle.

OI*d PL6SSL83 01 W0 tid 10tSI E661-SE-33G

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'( c>

(1) on.-t.ove everage crmeentrations for anmont s.*

(

pg 0C 5C 10 C 15 C 20 C 25 C %C A. Selaanids or Ot'iec Sensitive Colevatec $peeles Present Un. Ionized Amonta (ag/In ter NH 3 3

6.50 0.0091 0.0129 0.0182 6.75 0.026 0.036 0.036 0.03 6 0.0149 0.021- 0.030 0.042 7.00 0.023 0.059 0.059 0.059 0.033 0 .046 0.066 0.093 0.093 7.25 0.Q34 0.048 0.068 0.09 5 0.093 7.50 0.045 0.135 0.135 0.135 0.064 0.091 0.128 0.181 2775 0.056 0.080 0.181 0.181 0.113 0.159 0.22 0.22 8.00 0.065 0.092 0.130 0.184 0.22 8.25 0.06 5 0.26 0 .26 0J6 0.092 0.130 0.184 0.26 8.50 0.065 0.092 0.26 0.26 0.130 0.164 0.26 0 .26 8.75 0.065 0.092 0.130 0.184 0.26 9.00 0.065 0.26 0.26 0.26 0.092 0.130 0.164 0.26 0.26 0.26  !

\

Total Amonia (mg/Ilfer NH ) l 3

6.50 35 33 31 30 6.75 29 20 14.3 '

32 30 28 27 7.00 28 27 16.6 J3.2 26 23 24 7.25 23 23 16.4 11.6 22 to 19 .7 7.50 17 .4 16.3 19.2 13.4 9.5 15.5 14.9 14 .6 10.2 7.75 12.2 11.4 10.9 7.3 8.00 10.5 10.3 7.2 8 .0 7.5 7.1 6.9 5.2 8.25 4.3 4.2 6.8 4J 3.5 8.30 4.1 4.0 3.9 2.8 2.6 2.4 2.3 2.3 2.1 8.75 1.47 1.40 2.3 1.71 1.28 9.00 1.37 1.38 1,42 1.07 0.56 0.83 0'.83 0.86 0.83 0.91 0.72 0.58 8.

Salmonies end Otmer sensitive Coldwater Speeles Absent Urr-lonizoo Amonia (eg/II ter NH )

3 6,50 0.0091 0.0129 0.0182 0.026 6.75 0.0149 0.021 0.036 0.051 0.051 7.00 0.030 0.042 0.059 0.084 0.023 0.033 0.046 0.066 0.084 i

7.25 0. 03 4 0.048 0.093 0.131 0.131 7.50 0.068 0.095 0.135 0.190 0.045 0.064 0.091 0.128 0.190 7.75 0.056 0.080 0.181 0.26 0.26 8.00 0.113 0.159 0.22 0.32 0.065 0.092 0.130 0.32 8.25 0.065 0.184 0.25 0.37 0.092 0.130 0.184 0.37 8.50 0.065 0.092 0.26 0.37 0.37 8.75 0.1% 0.184 0.25 0.065 0.092 0.130 0.37 0.37 9.00 0.065 0.184 0.25 0.37 0.37 0.092 0.130 0.184 0.25 0.37 0.37 Total Aanenta lag / liter NH 1 3

6.50 35 33 6.75 32 31 }0 29 29 20 30 28 27 7.00 28 26 25 27 26 18.6 7.25 24 23 23 22 20 23 16.4 7.50 17.4 19.7 19.2 19.0 16 .3 15.5 14.9 15.5 7.75 12.2 11.4 14.6 14.5 10.3 8.00 10.9 10.5 10.3 l 8 .0 7.5 7.1 10.2 7.3 8.25 4.5 6.9 6.8 6.8 4.2 4.1 4.0 4.9 8.50 2.6 2.8 3.9 4.0 2.9  ;

8.75 2.3 2.3 2.3 1.47 f.40 1.37 2.4 1.81 l 9.00 0.86 1.38 1.42 1.52 1

0.83 0.83 0.56 1.18 0.91 1.01 0.82 i

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• To coaveet tnese values to ag/il ter M. multicly tv 0.827. -

l 77.d t'46SS683 01 m 6M M

- w

I

+ e The Agency acknowledges that the Criterion Continuous ( j concentration stream flow averaging period used for steady-state (

vasteload allocation modeling may be as long as 30 days in l

situations involving PoTWs designed to remove ammonia where

limited variability of effluent pollutant concentration and l

resultant concentrations in receiving waters'can,be demonstrated.

In cases where low variability can be demonstrated, longer i

averaging periods for the ammonia criterion continuous l Concentration (e.g., 30-day averaging periods) wo.uld be acceptable because the magnitude and duration of exceedences above the Criterion Continuous Concentrat' ion woUld be sufficiently limited. These matters are discussed in more detail

in the Technical Support Document for Water Quality-Based Toxics Control (U.S. EPA, 19 85 a) . j 7

I, l

i (50 F.R. 30784, July 29, 1985)  ;

SEE APPENDIX A FOR METHODOLOGY  :

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ET*d PL6SS488 01 WOdd 20:ST E66T-82-330

CATAWBA NUCLEAR STATION 1

STEAM GENERATOR CLEANING I SUMMER 1994 CtEsNiNo: MAvi,94

"'"^"" " '"

40,000 GAL. ESTIMATED 3% EDA 3% (NH 4)2CO 3 y i STEAM GENERATOR CLEANING 4

- HAZARDOUS WASTE DETERMINATION y

WASTEWATER ' "

T

'ESTING ^5 AND DISPOSAL BY TREATMENT *^"b O I'MS B7REtf7 400 PPM COPPER 3% EDA pH = iO ON-SITE LANDFitt 50 PPM IRON 3%(NH ),CO3 CAL CONTAMINATION y LIQUlD WASTE

~

OUTFALL 004 RADWASTE i LIMITS 1.0 PPM COPPER 1.0 PPM IRON V

OUTFALL 001 pH 6.0 to 8.0 EDA < 1.0 PPM Total Ammonia < l.0 PPM LAKE WYLIE

. . - - - . . _ _ _ ._. _ _