ML20210S733
| ML20210S733 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 08/11/1999 |
| From: | Feigenbaum T NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO) |
| To: | Devillars J, Puleo S ENVIRONMENTAL PROTECTION AGENCY |
| References | |
| NYE-99017, NUDOCS 9908180187 | |
| Download: ML20210S733 (34) | |
Text
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1 North Nonh Adande Energ Smice Corporadon P.O. Box 300
', Atlantic se hroot,Nii O3874 (603)474-9521 The Northeast Utilities System August i1,1999 NPDES Permit NH0020338 NYE-99017 Ref: AR#97001236-04 NYE-98012 NYE-98021 NYE-98031 United States Environmental Protection Agency Region I Attn.: John P. DeVillars, Regional Administrator c/o Shelly B. Puleo, Environmental Protection Specialist Municipal Assistance Unit d
Office of Ecosystem Protection John F. Kennedy Federal Building Boston, Massachusetts 02203-0001 Seabrook Station Third Supplement to NPDES Permit Renewal Application North Atlantic Energy Service Corporation (NAESCO) hereby submits, pursuant to 40 CFR 122.21(d), a third supplement to its April 23, 1998', application to renew National Pollutant Discharge Elimination System (NPDES) Permit No. NH0020338 for Seabrook Station, a nuclear electric generating facility located in Seabrook, Nil.
At Seabrook Station, plant discharges to the ocean environment are through the cooling water system discharge transition structure (NPDES Outfall 001). A number of streams that flow to Outfall 001 are also identified and controlled in the permit. The purpose of this supplement is to provide additional information on these input streams and to request an increased permit limit for a chemical used in the Makeup Water Treatment System and discharged to Outfall 001. The limit requested is well below aquatic toxicity limits. This supplement also contains a revision to the Clean Water Act 316(b)
Certification to reflect receipt of a Letter of Authorization from the National Marine Fisheries Service for the taking of seals incidental to the operation of Seabrook Station. The mitigation, monitoring and reporting requirements are addressed in this supplement as well as our plans to install a seal deterrent barrier.
North Atlantic Energy Service Corporation letter NYE-98012, dated April 23,1998," NPDES Permit Renewal Application" Mr. Ted C. Feigenbaum (North Atlantic) to Mr. John P. DeVillars.
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United States Environmental Protection Agency NYE-99017 / Page 2 Enclosure I contains a description of the changes in the permit application being submitted by Supplement 3. provides Supplement 3 revised pages for insertion into the original application. Finally, Enclosure 3 provides a copy of the MSDS for the Makeup Water Treatment System chemical.
If you have any questions, please call John Hart, Manager of Environmental Compliance and Industry Relations at (603) 773 7762.
Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.
M Ted C. Feigenbaum Executive Vice Pre dent and Chief Nuclear Officer
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United States Environmental Protection Agency NYE-99017 / Page 3 Certification pursuant to 40 CFR 122.22(d)
I certify under penalty oflaw that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of f'me and imprisonment for knowing violations.
269M h t.Ah h.19 i 9
'fedC. Feigenbaum Date I Executive Vice Pr dent and Chief Nuclear Officer STATE OF NEW HAMPSHIRE A
Rockingham, ss.
Then personally appeared before me, the above-named Ted C. Feigenbaum, North Atlantic Energy Service Corporation, that he is duly authorized to execute and file the foregoing information in the name and on the behalf of North Atlantic Energy Service Corporation and that the statements therein are true to the best of his knowledge and belief.
&!!, MTP Susan J. Messer, Notary Public DGte My Commission Expires: December 2,2004 I
V
,.r United St:tes Environmrnt:1 Protection Agency NYE-99017 / Page 4 cc:
Document Control Desk U.S. Nuclear Regulatory Commission L Washington, DC 20555-0001 Mr. J. T. Harrison, Project Manager Project Directorate 12 -
Division of Reactor Projects - 1/11 Office of Nuclear Reactor Regulation U.S Nuclear Regulatory Commission Washington, DC 20555-0001 Mr. Huben J. Miller Regional Administrator-Region i U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406-1415 Mr. George C. Berlandi, P.E.
Sanitary Engineer Surface Water Quality Bureau NH Depanment of Environmental Services Water Supply and Pollution Control Div.
64 North Main Street,3rd Floor
- Concord NH 03301 Marcia A. Brown Thunberg, Attorney Federal Consistency Coordinator NH Coastal Program Office of State Planning
. State ofNew Hampshire 21/2 Beacon Street Concord,NH 03301-4497 Mr.Jeffrey Andrews NH Dept. Of Environmental Services Water Division 6 Hazen Drive -
Concord,NH 03302 I
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ENCLOSURE 1 TO NYE-99017 Description and Discussion of Changes Requested in Seabrook Station's NPDES Permit in Supplement 3 to the Application J
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e Description and Discussion of Changes Requested in Seabrook Station's NPDES Permit in Supplement 3 to the Application
' This supplement makes the following changes to the April 23,1998 NPDES Permit Renewal Application:
1.
Addition of Boron as a Potential Chemical in the Disenarge from Outfall 025C (Waste Holdup Sump) 2.
Addition of Boron as a Proposed Chemical for Future Discharge from Outfall 025A (Steam Generator Blowdown) and Outfall 025C (Waste Holdup Sump) 3.
Additional Source of Wastewater, Outfall 024 (Oil / Water Separator Vault #3) 4.
Addition of Antiscalant Hypersperse AS 120 as a Chemical in the Discharge From Outfall 001 (Circulating Water System) 5.
Updated Clean Water Act 316 (b) Certification, includes Information Regarding Seal Limited Take Permit Application changes 1,2 and 3 above would not constitute a change in the currently permitted levels of chemical discharges to the environment via Outfall 001. They would document additional input streams (Outfall Discharges) of chemicals to Outfall 001 that are currently permitted. Change #4 reflects the use of a new product and an increased Outfall 001 limit for an anti-scalant being used in the Makeup Water Treatment System.
Application Change 5 provides an update to the Clean Water Act 316 (b)
Certification. It reflects the recently received Letter of Authorization (LOA) from the National Marine Fisheries Service for the taking of a limited number of seals incidental to the operation of the station and the mitigation, monitoring and reporting conditions required by the LOA.
1.
' Addition of Boron as a Potential Chemical in the Discharge from Outfall 025C (Waste Holdup Sump)
The current NPDES Permit for Seabrook Station authorizes the discharge of boron at concentrations not exceeding 5 parts per million (ppm) at Outfall 001. No change in the NPDES Permit limit for boron is being requested in the NPDES Permit renewal application. As identified in the Fact Sheet for the current NPDES Permit and the NPDES Permit renewal application discharge description for Outfall 025D (p.179), boric acid is used to control the fission process. The following paragraphs describe an additional plant process where boron is used leading to its presence in a wastewater stream. Discharges associated with this application are from Outfall 025C and ultimately to Outfall 001 and are in conformance with the current NPDES Permit limit for boron.
The Waste Holdup Sump (Outfall 025C) may contain acid or caustic wastewater resulting from the process of regenerating the Steam Generator Blowdown System Demineralizer resins. To protect equipment in the Waste Holdup Sump, the regeneration wastewater is neutralized prior to discharge pursuant to a Hazardous Waste Limited Permit issued by the New Hampshire Department of I
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Environmental Services on December 30, 1998.
The caustic (sodium hydroxide) used for neutralization and discharged from Outfall 025C may contain boron as explained below.
Some of the sodium hydroxide used for neutralization of the Waste Holdup Sump has been accumulated from the drainage or flushing of plant systems. One such source is flush water from the interconnecting piping between the Spray Additive Tank, which contains sodium hydroxide and demineralized water, and the Refueling Water Storage Tank, which contains boron and demineralized water. This line is flushed after quarterly motor operated valve testing to preclude the introduction of sodium hydroxide into the Refueling Water Storage Tank. As a result, there may be small amounts of boron in the Oetfall 025C discharge although well within Outfall 001 limits.
- 2. Addition of Boron as a Proposed Chemical for Future Discharge from Outfall 025A (Steam Generator Blowdown) and Outfall 025C (Waste Holdup Sump)
The current NPDES Permit for Seabrook Station authorizes the discharge of boron at concentrations not exceeding 5 parts per million (ppm) at Outfall 001. No change in the NPDES Permit limit for boron is being requested in the NPDES Permit renewal application. As identified in the Fact Sheet for the current NPDES Permit and the NPDES Permit renewal application discharge description for Outfall 025D (p.179), boric acid is used to control the fission process. The following paragraphs describe an additional process where boron is expected to be used in the future that would lead to its presence in a wastewater stream.
Control of corrosion products in Seabrook Station's steam generators is vitally important to plant reliability. A key strategy being used by operators of other Pressurized Water Reactors to minimize corrosion deposit build-up is the addition of boric acid to the secondary system. This provides a chemical environment that allows for solubilization of these deposits and their resultant removal in the steam generator blowdown system. The use of boric acid for this purpose is, in fact, a recommendation of the Electric Power Research Institute (EPRI) Pressurized Water Reactor Secondary Chemistry Guidelines. Although North Atlantic has not yet used boric acid for this purpose, it is considering this option for the future.
Discharges associated with this future application would be from Outfall 025A and Outfall 025C and ultimately to Outfall 001. The discharges are estimated to be well within the current NPDES Permit limits for boron. For discharges from Outfall 025A, the discharge concentration of boron at Outfall 001 is estimated to be 0.05 ppm (assumes a Circulating Water System flow of 190,000 gpm and an Outfall 025A flow rate of 400 gpm with a boron concentration of 20 ppm). For discharges from Outfall 025C, the discharge concentration of boron at Outfall 001 is estimated at 0.09 ppm (assumes a Circulating Water flow of 190,000 gpm, Outfall 025C flow of 150 gpm, Outfall 025C sump volume of 20,000 gallons, a boron concentration in the sump of 114 ppm and an anion resin capacity of 1.4 meq/mi of resin). It is also important to note that discharges from steam generator blowdown to the environment are intermittent. Normally blowdown is contained in a closed loop system without discharge to the environment. Blowdown flow is normally processed through demineralizers and returned to the steam generators. When the demineralizers are unavailable during resin regeneration, blowdown flow from the steam generator is directed to Outfall 001.
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- 3. Additional Source of Wastewater, Outfall 024 Outfall 24 (Oil / Water Separator Vault #?) and its associated Discharge Limitations and Monitoring Requirements are specified in the current NPDES Permit. No changes to the Discharge Limitations or Monitoring Requirements for Outfall 024 are being requested in the NPDES Permit renewal application. The NPDES Permit renewal application specifically describes the sources of wastewater which are processed by Oil / Water Separator Vault #3. An additional source of wastewater from the Vehicle Maintenance Shop has been identified.
The facilities at Seabrook Station include a Vehicle Maintenance Shop. This facility is equipped with a simple drainage collection system in which the floor drains anda sink drain are routed to a holding sump. Gray water from the wash sink and potentially oily floor drainage water are collected by this sump. Drainage collected by the Vehicle Maintenance Shop Sump is manually transferred to Oil / Water Separator Vault #3 for processing.
- 4. Addition of Antiscalant Hypersperse AS 120 as a Chemical in the Discharge From Outfall 001 (Circulating Water System)
Seabrook Station utilizes a leased makeup water treatment system (MWTS) to supply the demineralized water requirements of the station. The MWTS was placed into service in 1994 and was recognized in the application for the current NPDES Permit (see Response to Public Comments, Appendix A, dated September 27, 1993). The MWTS employs ultrafine filtration and reverse osmosis technology. The wastewater from the MWTS is discharged to the Circulating Water System (Outfall 001). The current NPDES Permit identifies that a sequestering agent, Flocon, would be used in the MWTS to control scale precipitates within the MWTS membranes. The current NPDES Permit specifies a discharge concentration limit of.01 ppm for Flocon (Ref: NPDES Permit P:.rt I.A.I.o). It was recently identified that Flocon has not been used in the MWTS, instead the produ t Hypersperse AS 120 (Hypersperse) has been utilized as the scale control agent. North Atlantic desires to continue the use of Hypersperse in the future, however until such time that the permit is revised to authorize the discharge of Hypersperse, Flocon will be used in the system. Hypersperse is a liquid antiscalant product identical in function and similar in composition to the antiscalant product Flocon. Discharge
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concentrations of the product Hypersperse have been less than.01 ppm at Outfall 001. Hypersperse I
does not contain any of the listed toxic pollutants identifed in 40 CFR 401.15 nor have discharge concentrations exceeded the NPDES Permit notification level (.1 ppm) for the discharge, on a routine or frequent basis, of any toxic pollutant (Ref: NPDES Permit Part I.A.l.i).
The NPDES Permit renewal application requests a change to the NPDES Permit to identify Hypersperse as the antiscalant product used in the MWTS. Additionally it is requested that the discharge limit for Hypersperse be set at.5 ppm. Aquatic toxicity information is provided below in support of the use of Hypersperse and the proposed.5 ppm limit.
The NPDES Permit Limit tbr Flocon is 0.01 ppm at Outfall 001. This limit was established based on 1
North Atlantic's estimation of the concentration of Flocon present in the discharge transition structure after dilution by the Circulating Water System. North Atlantic requests approval to discharge Hypersperse at a concentration of 0.5 ppm. The requested increase will allow the station to operate the MWTS when the demand for demineralized water is the highest without risking degradation of system equipment.
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Refueling outage periods usually present the highest demand for demineralized water because system tiraining and filling operations are being conducted in support of equipment maintenance and preservation activities. During a refueling outage, Circulating Water System flow is typically secured for about two weeks for maintenance of equipment and cleaning of the forebays. During these outage periods, Hypersperse cannot be used in the MWTS because the lack of Circulating Water flow and consequent low dilution would cause the.01 ppm limit to be exceeded. The proposed discharge concentration of 0.5 ppm is well below toxicity limits and would allow operation of the MWTS when water demand is high and Circulating Water is secured without risking equipment degradation Aquatic toxicity information for Flocon and Hypersperse is provided below.
Aquatic Toxicity Flocon Daphnia magna,48 hour5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> EC50*: > 1000 mg/l Mysid shrimp,96 hour0.00111 days <br />0.0267 hours <br />1.587302e-4 weeks <br />3.6528e-5 months <br /> LC50: > 500 mg/l Sheepshead minnow,96 hour0.00111 days <br />0.0267 hours <br />1.587302e-4 weeks <br />3.6528e-5 months <br /> LC50 = 600 mg/l Algae (Selanastrum capricornutum),72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> EC 50: 232.3 ppm Hypersperse Marine copepod (Acrtia ionsa),48 hour5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> LC50: > 1000 mg/l Daphnia magna,48 hour5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> EC50: > 200 mg/l Zebra fish,96 hour0.00111 days <br />0.0267 hours <br />1.587302e-4 weeks <br />3.6528e-5 months <br /> LC50: > 200 mg/l
- "EC50" means a statistically or graphically estimated concentration that is expected to cause 1 or more specified effects in 50% of a group of organisms under specified conditions.
The Material Safety Data Sheet (MSDS) for Hypersperse is provided as Enclosure 3.
5.
Updated Clean Water Act 316 (b) Certification, Includes Information Regarding Seal Limited Take Permit At the time that the Clean Water Act 316 (b) Certification was initially submitted as part of the NPDES Permit renewal application, North Atlantic's Small Take Exemption Permit application, submitted in June 1997 under the Marine Mammal Protection Act, was still pending before the National Marine Fisheries Service. The final rule regarding Seabrook Station's Small Take Exemption Permit was published in the Federal Register on May 25,1999. This rule became effective on July 1,1999. The National Marine Fisheries Service issued a Letter of Authorization (LOA) setting forth a number ofimplementing conditions on July 2,1999. The rule and LOA authorize the unintentional take of a small number of seals incidental to the routine operation of Seabrook Station.
The LOA limits the annual number of seal takes incidental to the operation of Seabrook Station to 20 harbor seals and four of any combination of gray, harp and hooded seals. It requires North Atlantic to report its plans to mitigate impacts on seals to the NMFS by January 1,2000, and to implement i
l such plans no later than 42 months from the issuance of the rule. It also sets forth requirements for monitoring and reporting.
- North Atlantic is proceeding with its plans to install a seal deterrent barrier well in advance of the rule's requirements. North Atlantic provided details ofits plans in a letter to the EPA and NMFS in May 19992
~ The seal deterrent barrier will be an enhancement to the existing cooling water system intake that will reduce the vertical bar spacing around each intake from about 14.5 to about 4 inches. Experiments conducted at the New England Aquarium indicate that this spacing should prevent even determined seals from entering the intakes. The barriers consist of pre-fabricated panels made out of the same copper-nickel metal alloy as the existing bars. The barriers will have no impact on any of the functions of Seabrook Station's Cooling Water System. It will have no adverse environmental J
consequences and will not impact any of the parameters controlled or limited by the National Pollutant Discharge Elimination System (NPDES) permit.
1 8 North Atlantic Energy Service Corporation letter NYE.99013, dated May 25,1999," Seal Deterrent Barrier,"
J. Hart (North ~ Atlantic) to C. DeLoi (EPA) and J. Rittgers (NMFS) 5
r ENCLOSURE 2 TO NYE-99017 Supplement 3 Revised Pages for Insertion into the Seabrook Station NPDES Renewal Application
001 133 (Supp.3)
Diisopropylamine - trace quantities from sodium analyzer drains e
Sodium Chloride - Water treatment plant chemical additive, SGBD EDI cleaning agent.
Sodium Hydroxide - Water treatment plant cleaning agent, CPS regenerant chemical.
Suspended solids - all potential inputs to the discharge Citric Acid - trace quantities from silica analyzer drains e
Silica standard (500 ppb) - trace quantities from calibration of silica analyzers e
Ammonium molybdate - trace quantities from silica analyzer drains e
Amino Acid - trace quantities from silica analyzers e
Hydrochloric acid - SGBD EDI cleaning agent e
Chlorhexidine Di-Gluconate (Hydrosep)- emergency eyewash station biological growth inhibitor Sulfuric Acid - CPS regenerant chemical.
e Bulab 9328-Corrosion inhibitor for freshwater systems (used on auxilliary cooling tower previously)
Bulab 6002-Biocide for fresh water systems (used on auxilliary cooling tower previously) e Acetaldehyde-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acetic acid-potential breakdown product of ethanolamine, all sources of ethanolamine e
Diethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Dimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Monoethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Monomethylamine-potential breakdown product of ethanolamine, all sources of ethartplamine e
Triethanolamine-potential breakdown product of ethanolamine, all sources of ethanolamine Trimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acrylonitrile-potential breakdown product of methoxypropylamine, all sources of methoxypropylamine e
Cresol-trace quantities from cleaning products, petroleum containing products e
Phenol-trace quantities from cleaning products e
supp.3 ri,e n _..i_. g i 3 u w m e. _.q ep.e re, e.g erp w,.-
e Morpholine-Secondary chemical additive, Steam Generator soak agent, hotwell discharges e
Sodium thiosulfate Water Treatment System additive for chlorine removal e
Supp.3 Proposed chemicals for future discharge:
Chemicals identified in all other outfalls.
Note: Some of the chemicals listed below are also listed in other outfalls. They are listed below because they are also discharged directly into this outfall.
Pyrolidine Secondarychemicaladditive Cerbohydrazide - Secondary and closed cooling loop additive e
Dimethylamine - Secondary chemical additive e
5-aminopentanol-Secondary chemical additive e
1,2 diaminoethane - Secondary chemical additive e
3-hydroxyquinuclidine - Secondary chemical additive e
2-amino,2-methylpropano! - Secondary chemical additive e
EDTA - Steam Generator and Generator Stator Coolant System cleaning agent EVAC Biocide - Under consideration for mollusk control in the Circulating Water System H-130M Biocide - Under consideration for mollusk controlin the Circulating Water System
'Ihruguard 300 - Under consideration to be used as an additive to the sodium hypochlorite injection line to e
reduce calcium carbonate scale formation.
j Diethylhydroxylamine-Secondary chemical additive j
e i
i 001 133A (Supp.3)
Steam Generator scale conditioning agents containing one, or more, lower alkyl amines and/or lower alkanol amines, combined with one, or more cyclic imines. These Steam Generator scale conditioning agents mcy'be used during outages. The scale removal process employs the use of a vendor demineralizer skid which is expected to remove all but trace quantities of these chemicals.
Note: This page is provided for pagination purposes only s
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158 (Supp.3)
Discharge Information for Outfall 024 Oil / Water Separator Vault #3 EPA Form 2C Section 11 Flows, Sources ofPollution and Treatment Technologies Part B, Description of (1) All operations contributing wastewater to the efluent. includingprocess wastewater, sanitary wastewater, cooling water, andstorm water runof (2) The averageflow contributed by each operation; and (3) The treatment received by the wastewater.
Section V, intake and Efluent Characteristics Part V.D, List ofPollutantsfrom Form 2C, Tables 2C-3 and2C-4 Discharge includes wastewater from the following sources:
Fire Protection Pumphouse Drains Fire Protection Diesel Pump Fuel Oil Tank areas Auxiliary Boiler Fuel Oil Storage Tank area Mj#nTih@M Discharge description:
The Floor Drainage Oil / Water Separation System is designed to process non-corTosive oily and potentially oily drainage and leakage sources to produce an effluent containing less than 15 mg/L oil content which conforms to the Effluent Guidelines and Standards set forth by the EPA in 40 CFR 423 for the Steam Electric Power Generating Point Source Category. The processed effluent is discharged to the Storm Drainage System (Outfall 002B) and ultimately to the Circulating Water System (Outfall 001).
The Oil / Water Separation System is comprised of an oil separator, which contains a gravity settling section to which the oil / water streams are piped, and a tilted plate separator section to effect separation of oil from water. An effluent tank with a pump and a coalescing filter are also provided. The filter is utilized for final polishing of the effluent prior to discharge. Operation of the Oil / Water Separation System is initiated upon reaching a setpoint level in the effluent tank.
Each separator is designed to process water with an oil content less than 1500 mg/L and discharge a maximum of 85 gpm (122,400 gpd). The gravity settling section is provided to limit suspended solid loading into the oil separation section to 20 ppm. The down flow tilted plate separator is designed to process an oil / water solution and produce an efiluent with an oil concentration conforming to EPA effluent guidelines. The final polishing coalescing filter is included in the event that separator loadings exceed design values. This filter can reduce the oil content from about 15 mg/L to less than 10 mg/L. Separated oilis collected in the oil holding tank and is removed periodically. Settled solids in the gravity separator are likewise removd.
Oil / Water Separator Vault #3 is located in the yard area below grade north of the fire pumphouse. The location of the separator is sufficiently deep to prevent the freezing of the water at low or no-flow conditions. The vault housing the oil separator, sump and filter is covered to protect the system from the environment. The vault is vented by natural circulation. Electrical equipment and lighting in the vault area are explosion proof.
Oil Water Separator Vault #3 processes influents from the Fire Protection pumphouse drainage trench, Auxiliary Boiler Fuel Oil Storage Tank area, and the diesel fire pump fuel oil day tank areas. There can be leakage of sodium hypochlorite, which is added to the fire protection water as a biocide. Additional sources of leakage are distilled water rendensing on the steam heater as well as lubricating and fuel oil from the diesel engines. Effluent from the fire pumphouse floor and hub drains, and the curbed area for the fuel oil day tank (Tank 35A) is collected and piped to Collection Sump #4. This sump is designed to contain a tank rupture. From there it is discharged to Oil / Water
024 158A (Supp.3)
' Separator Vault #3. Effluent from the curbed area around the fuel oil day tank (Tank 358) drains to a separate sump,which is also directly connected to Oil / Water Separator Vault #3.
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025A 164
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' cycle if there is not enough Acid or Caustic available to complete a cycle or if the level in the Waste Holdup Sump is above a set, point level.
Upon completion of the regeneration the demineralizer resin beds are rinsed with Steam Generator blowdown water or demineralized water. The rinse water is sampled to ensure compliance with the NPDES Permit effluent limitations and monitoring requirements for Outfall 025B. The rinse water is ultimately directed to Outfall 001.
Before the demineralizer beds are placed in service, a pre-service rinse of the beds is performed wi.h the waste water being directed to the Turbine Building Sump. The pre-service rinse water is processed by Oil / Water Separator Vault #1 (Outfall 022). Upon completion of the pre service rinse the demineralizer is placed in service with its discharge directed to the main condenser for reuse in the Condensate System.
1 Alternate paths for this discharge:
Waste Holdup Sump (025C)
Waste Test Tank (s)(025D) e Turbine Building Sump Storm Drains (if no beta / gamma radioactivity detected) e Auxiliary Turbine Building Sump (holding only - not discharged) e Unit 11 Circulating Water System forebay (holding only - not discharged) e
.e Potential chemicals in discharge:
Ammonia / Ammonium hydroxide - Secondary chemical additive (from thermal decomposition of hydrazine),
Steam Generator drainage Methoxypropylamine - Secondary chemical additive, Steam Generator drainage e
Hydrazine - Secondary chemical additive, Steam Generator drainage e
Suspended solids - particulates from all inputs e
Ethanolamine - Secondary chemical additive, Steam Generator drainage e
Morpholine-Seocndary chemical additive, Steam Generator soak agent Acetaldehyde-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acetic acid-potential breakdown product of ethanolamine, all sources of ethanolamine e
Diethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Dimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Monoethylamine-potential breakdown product of ethanolamine, all scurces of ethanolamine e
Monomethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Triethanolamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Trimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acrylonitrile-potential breakdown product of methoxypropylamine, all sources of methoxypropylamine Proposed chemicals for future discharge:
Pyrolidine - Secondary chemical addit:ve Dimethylamine - Secondary chemical additive e
5-aminopentano! - Secondary chemical additive e
1,2 diaminoethane - Secondary chemical additive e
3-hydroxyquinuclidine - Secondary chemical additive e
2-amino 2-methylpropanol - Secondary chemical additive EDTA - Steam Generator cleaning agent o
Diethylhydroxylamine-Secondary chemical additive e
025A 164A (Supp.3)
Qarbohydrazide-Secondary chemical additive e
supp.3 Steam Generator scale conditioning agents containing one, or more, lower alkyl amines and/or lower e
alkanol amines, combined with one, or more cyclic imines. These Steam Generator scale conditioning agents may be used during outages. The scale removal process employs the use of a vendor demineralizer skid which is expected to remove all but trace quantities of these chemicals.
173 (Supp.3)
Discharge Information for Outfall 025(C) l (Waste Holdup Sump)
EPA Form 2C k
. Section 11, Flows, Sources ofPollution and Treatment Technologies
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Part B, Description of (1) All operations contributing wastewater to the efluent, includingprocess wastewater, sanitary wastewater, cooling water, andstorm water runof (2) The averageflow contributed by each operation; and(3) The treatment received by the wastewater.
Section V, intake and Efluent Characteristics Part V.D, List ofPollutantsfrom Form 2C, Tables 2C-3 and2C-4 Discharge includes wastewater from the following sources:
Rinse water from demineralizer flushes. Rinse water is directed from the effluent of the demeralizer(s) to either e
the Waste Holdup Sump or directly to the Circulating Water System (Outfall 001). These rinses are required i
following regeneration of the demineralizer beds or pre-service rinses of the demineralizer beds. The rinse water source may be Steam Generator Blowdown water or demineralized water.
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@ Fluid used during the regeneration of the demineralizer beds. The fluid is directed into the Waste lloidup Sump and then discharged to the Waste Liquid System which discharges to the Circulating Water System (Outfall 001). This wastewater contains acid and caustic wastes from the regeneration process as well as ionig 8"PP' constituents present on the resin from loading. @Yaijiipiiiifa~alb[e neisiiidiEQfio_@r@@
Drainage from the Steam Generator Blowdown System Recovery Subsystem room drains. This may include acid and caustic waste from system leakage and drainage for maintenance, eyewash drains from the room containing demineralized water and biocide, Steam Generator water from system component leakage, sample system drains, and floor wash water.
Drainage from nearby systems for maintenance outages may also be directed to the Waste 11oldup Sump.
These include drainage from ocean water systems, the Primary Component Cooling Water System, the Potable Water System, and the Demineralized Water System.
Drainage of the Steam Generators may also be directed to this sump if other paths are not available.
Auxiliary Steam System relief valves Discharge description:
Outfall #025 is a combination of four discrete waste streams which are individually sampled to ensure compliance j
with NPDES Permit effluent limitations and monitoring requirements. This NPDES Permit renewal application proposes to create individual outfall designations for each of the four discrete waste streams with monitoring requirements and effluent limitations commensurate with the composition of the waste stream. The four proposed outfall designations are as follows:
I 025A - Steam Generator Blowdown 025B - Steam Generator Blowdown Demineralizer Rinses 025C - Waste Holdup Sump 025D - Waste Test Tanks and Recovery Test Tanks
]
025c 174 (Supp.3)
The followirig description is for 025C Steam Generator Blowdown Waste Holdup Sump only. Because portions of the other 025 outfalls interface with 025C, they are also briefly discussed.
Support equipment is needed to regenerate the resins in the Steam Generator Blowdown System recovery subsystem demineralizers. The basic regeneration equipment consists of an Acid Skid, a Caustic Skid and the Waste Holdup Sump.
Sulfuric acid is used to reactivate the Cation (positive ion) resin beads within the mixed-bed demineralizers and the lead cation bed demineralizer. Sodium hydroxide is used to reactivate the Anion (negative ion) resin beads within the mixed-bed demineralizers. Following a cation bed regeneration, the contents of the sump may be acidic with supp.2 pH less than 2. T6~girbisiIyuiphichiLinithe}.Was~ tefolddjiSdriip*',f seUBalizalios'niW)MemutmanJt supp.3 i
M*.liniteQepn,ityFSML,P-98-008,jssu'edjDe6emberj30,il9.9_8, The Waste Holdup Sump transfers liquids to the Waste Liquid System for direct discharge to the Circulating Water System (Outfall 001) or to either of the Chemical Drain Treatment Tanks which are directed to the Waste Test Tanks (Outfall 025D). Manual startup of this process is needed to initiate the regeneration cycle. After the process is started the remainder is automatically sequenced. The entire regeneration process can be manually controlled. Interlocks ensure that only one mixed-bed demineralizer is regenerated at a time. Interlocks will also stop the regeneration cycle if there is not enough acid or caustic available to complete a cycle, or if the level in the Waste Holdup Sump is above a setpoint level d
The Steam Generator Waste Holdup Sump is a 30,000 gallon sump designed to contain fluids from the regeneration of the demineralizer beds. It is a concrete sump lined with Plasite liner. The sump also captures some of the floor drains from the demineralizer room. The sump is normally directed to the Waste Liquid System for direct discharge to the Circulating Water System. It is sampled onceprior to or during batch dischargefor oilandgrease and total supp.2 suspended solids. The relatively low flow volume of the discharge and the buffering action of the seawater ensures that all pH limits at Outfall 001 are met. The sump may also be discharged to the Chemical Drain Treatment Tanks which are directed to the Waste Test Tanks. There is a recirculation system on the sump which allows for mixing and sampling prior to discharge. This recirculation system also contains components which remove larger suspended solids. The maximum discharge rate for the Waste Holdup Sump is 75 gpm.
Alternate paths for this discharge:
Waste Test Tank (s)(025D)
Turbine Building Sump Storm Drains (if no beta / gamma radioactivity detected) e Turbine Building Auxiliary Sump -(holding only - no discharge) e Potential chemicals in discharge:
Any chemicals listed in outfalls Steam Generator Blowdown (025A) and Steam Generator Blowdown demineralizer Rinses (025B) -
Note: Some of the chemicals listed below are also listed in outfalls 025A and 0258. They are listed below because they are also directly discharged into this outfall.
Ammonia / Ammonium hydroxide - Secondary chemical additive (from thermal decomposition of hydrazine),
Primary Component Cooling water drainage, Steam Generator drainage, sample system waste, trace quantities from silica analyzer cleaning Methoxypropylamine - Secondary chemical additive, Steam Generator drainage, sample system waste e
025c 175 (Supp.3)
Hydrazine - Secondary chemical additive, Steam Generator drainage, Primary Component Cooling Water e
System drainage, sample system waste Suspended solids. particulates from all potential inputs e
Ethanolamine - Secondary chemical additive, Steam Generator drainage, sample system waste e
Total Residual Chlorine - Ocean cooling water system leakage and drainage, fire protection water e
Diisopropylamine - trace quantities from sodium analyzer drains e
Sodium Hydroxide - Regeneration of demineralizer beds, leakage from caustic skid, drainage of system e
components for maintenance Sulfuric acid - Regeneration of demineralizer beds, leakage from acid skid, drainage of system components for e
maintenance Do'nestic water constituents (washing, hydrolazing, cooling water, fire protection, potable) e Chlorhexidine Di-Gluconate (Hydrosep) - emergency eyewash station biological growth inhibitor Morpholine - Secondary chemical additive, Steam Generator soak agent e
Acetaldehyde-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acetic acid-potential breakdown product of ethanolamine, all sources of ethanolamine e
Diethylamine-potential breakdown product of ethanolamine, all sources of etnanolamine e
Dimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Monoethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
- Monomethylamine potential breakdown product of ethanolamine, all sources of ethanolamine e
Triethanolamine-potential breakdown produen iethanolamine, all sources of ethanolamine e
Trimethylamine-potential breakdown product of ethanolamine, all sources of ethanolamine e
Acrylonitrile-potential breakdown product of methoxypropylamine, all sources of methoxypropytamine Cresol-trace qua,tities from cleaning products e
Phenol-trace quantities from cleaning products e
Sodium hypochlorite Chemical additive to fire protection system, Circulating Water system Service Water e
system, and cleaning solutions Morpholine-Steam generator drainage, secondary system leakage and drainage Citric Acid - trace quantities from silica analyzer drains e
Silica standard (500 ppb) - trace quantities from calibration of silica analyzers e
Ammonium molybdate - trace quantities from silica analyzer drains e
Amino Acid - trace quantities from silica analyzers Styrene-potential from resin degredation e
Epichlorohydrin very limited potential from rinses of new resins e
Sodium fluoride-trace quantities from sodium analyzer cleaning e
SEM5%fkIQiWsMJun(MRfdwasEt @ikaimislEDihhargeslid supp.3 complyyith Outfall 00Mimit fofforonl Proposed chemicals for future discharge:
Any chemicals listed in outfalls Steam Generator Blowdown (025A) and Steam Generator Blowdown demineralizer Rinses (025B) i Note: Some of the chemicals listed below are also listed in outfalls 025A and 025B. They are listed below because they are also directly discharged into this outfall.
Pyrolidine - Secondary chemical additive
1
{
025c 175A (Supp.3)
Dimethylamine - Secondary chemical additive e
J-aminqpentanol - Secondary chemical additive e
1,2 diaminoethane - Secondary chemical additive e
3-hydroxyquinuclidine - Secondary chemical additive e
2-amino 2-methylpropanol - Secondary chemical additive e
(authorized for discharge in current NPDES Permit at.1 ppm)
EDTA - Steam Generator cleaning agent e
Carbohydrazide. Secondary chemical additive, Primary Component Cooling Water system additive e
Diethylhydroxylamine-Secondary chemical additive e
Supp.3 Steam Generator scale conditioning agents containing one, or more, lower alkyl amines and/or lower e
alkanol amines, combined with one, or more cyclic imines. These Steam Generator scale conditioning agents may be used during outages. The scale removal process employs the use of a vendor demineralizer skid which is expected to remove all but trace quantities of these chemicals.
Potential alkyl amines and sikanol amines:
.o s
239 (Supp.3)
Page 9 of 26 Permit No. N110020338 e,q.
The following chemicals are approved for water discharge.
These discharge levels may not be increased nor chemicals substituted without written approval by the Regional Administrator and the Director or their designees.
The permittee must demonstrate that the aquatic toxicity of the proposed changes are equal to or less than approved chemicals herein listed.
Calculated Maximum Discharge #001 Plant Product Concentration, ppm Water System Hydrazine 0.5 Secondary Steam System Ammonia 0.5 Secondary Steam System Supp. 3 Boron 5
Primary System, R@y gy3MFfaMg Supp.3 Lithium Hydroxide 0.5 Primary System Ethylene Glycol 50 Exterior Heating / Cooling System Propylene Glycol 50 Same as Ethylene Glycol Bulab 9328 0.4 Corrosion protection for fresh water systems Bulab 6002 20 Biocide in cooling tower Cat Floc TL 0.1 Liquid Radwaste System. To facilitate the removal materials made radioactive by neutron radiation in primary system Cat Floc L 0.1 Same as Cat Floc TL Nalcolyte 7134 0.1 Same as Cat Floc TL Sodium Nitrite 0.5 Heating / Cooling Systems Sodium Molybdate 0.5 Heating / Cooling Systems Sodium Silicate 5
Auxiliary Secondary System Scale Inhibitor Morpholine 0.1 Steam Generators Ethanolamine 0.5 Secondary Steam System Supp.3 MNOW G
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Theimpact.of the thermal component of the discharge is rigorously assessed on an ongoing basis through implementatio'n of the biological monitoring program required by the Seabrook Station NPDES Permit.
The preoperational phase of this program was initiated in 1976 followed by the operational phase of the program initiated at the time of commercial operation of Seabrook Station in 1990. Annual reports documenting the biological monitoring program data, analyses and conclusions are submitted to the EPA, NHDES and Technical Advisory Committee. The annual reports continue to demonstrate that the operation of Seabrook Station has not adversely impacted the balanced indigenous populations of aquatic biota in the vicinity of the cooling water system intake and discharge structures.
. North Atlantic has proposed in the renewal application to insert clarifying language into the permit to
. reflect the criteria previously approved by the EPA on May 22,1986, for demonstrating compliance with the temperature rise limit in the receiving waters.
- 2) Clean Water Act Section 316 (b):
The location, design, construction and capacity of the Seabrook Station cooling water system have not changed nor does the NPDES Permit renewal application propose any change to these features of the cooling water system. Seabrook Station cooling water system flow is reported on an ongoing basis as required by the permit in the monthly Discharge Monitoring Reports.
The impact of the operation of the cooling water system is rigorously assessed on an ongoing basis through implementation of the biological monitoring program required by the Seabrook Station NPDES Permit. The preoperational phase of this program was initiated in 1976 followed by the operational phase of the program initiated at the time of commercial operation of Seabrook Station in 1990. Annual reports documenting the biological monitoring program data, analyses and conclusions are submitted to the EPA, NHDES and Technical Advisory Committee. The annual reports continue to demonstrate that the operation of Seabrook Station has not adversely impacted the balanced indigenous populations of aquatic biota in the vicinity of the cooling water system intake and discharge structures.
Since 1993, North Atlantic has observed the lethal entrapment of seals in the cooling water system of the plant. These entrapments have been reported to the National Marine Fisheries Service (NMFS). InJune 1997, North Atlantic submitted a Marine Mammal Protection Act Small Take Permit Application. This application demonstrated that the takes of small numbers of seals incidental to the operationof Seabrook Station had. negligible impact on seal stocks or the ability of the seal populations to reach and maintain their optimum sustainable levels and are only a small fraction of the reported non-natural mortalities that occur annually.
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ENCLOSURE 3 TO NYE-99017 Material Safety Data Sheet (MSDS) for 11ypersperse
Argo Scientific A Be. tzDearbom Company Hypersperse~AS 120UL Antiscalant Hypersperse* AS 120UL is a highly effective liquid antiscalant developed to c within membrane separation systems.
Use of this product provides longer run times and extended element life resulting in reduced operating and capital costs. Years ofuse in indus excellent results in membrane separation processes including reverse osmosis.
Hypersperse* AS 120UL offers the fo!!owing features:
Classified for use in producing potable water. (Classified to ANSI /UL Standard 60).
Effectively controls scales including calcium carbonate, calcium sulfate, barium sulfate and strontium sulfate.
Compatible with all of the leading R.O. membranes.
+
May be fed neat or diluted v
PROPERTIES Example: Hypersperse* AS 120UL dosage was determined to Appearance Clear to pale amber b. quid be 4 ppm. The customer wished to make a dilution of one Specific gravity 1.1 a 0.05 gallon of Hypersperse for every nine gallons of water in his day pH 3.5
- 0.5 tank. If the system feed flow is 500 gpm, at wttat rate must the Freezepom, t
- 32' F (O' C) chemical feed pump be set?
Muurnum storage temp 34'F (l' C) 4 Shelflife 3 Years Dilution = Gallons Hypersperse x 100 / Total gallons Viscosity 26.6 ep at 25' C 4
cf = Chemical feed pump rate, gpd cf = Feed Dow. gpm x ppm Hypersperse x 0.130 / dilution For maximum effectiveness, Hypersperse* AS 120UL should be added prior to the static mixer or cartridge filter housing.
For this example: Qef-500 x 4 x 0.150 /10 - 26 spd Maximum dilution is 10% with RO permeate or DI water.
Important note: Over or under-dosing may cause membrane PACKAGING:
f uling. Our technical service engineers are available to This product is available in 45 lb. (5 gallon) pails and $25 lb.
provide custom desages for your application. Please contact (55 gallon) plastic drums. Precautions should be taken to Argo Scientific if you have any questions.
prevent the liquid from freezing as it may separate. Product MAXLMUM DILUTIOFS-integrity may be restored by slowly warmir.g and then agitating.
Maximum dilution is temperature related as shown below.
j DOSING Temperature,'c Maximum Dilution, %
<30 10 Typical dosage range is between 3 and 6 ppm. A sample dosage 30 35 25 calculation for general purposes would be as follows:
>35 50 IM5 BOSSTICK BLVD., SAN MARCOS. CA 92069 (760) 727-2620 FAX (760) 727 3380
MATERIAL SAFETY DATA. SHEET prepared to u.s. osha, CMA. ANSI and Canaclan WHMIS Standards v PARTl
'wnati th e materiat and what do i need to know in an emergency?
s
- 1. PRODUCT IDENTIFICATION TRADE NAME (AS LABELED):
HYPERSPERSE AS 120 UL CHEMICAL NAME/ CLASS:
Not Applicable SYNONYMS:
Homopolymer PRODUCT USE:
Antiscalant SUPPLIER / MANUFACTURER'S NAME:
ARGO SCIENTIFIC ADDRESS:
185 Bosstick Blvd.
San Marcos, CA 92069 EMERGENCY PHONE:
CHEMTREC: (800)424-9300 BUSINESS PHONE:
(760)727-2620 DATE OF PREPARATION-November 20,1997
- 2. COMPOSITION and INFORMATION ON INGREDIENTS CHEMICAL NAME CAS#
% wAw EXPOSURE LIMITS IN AIR l
ACGlH OSHA TLV STEL PEL STEL IDLH OTHER 3
i 3
3 mg/m mg/m mg/m mg/m mg/m' mg/m' v
Neutra lzed Polymer 30-40 NE NE NE NE NE NE Water and other constituents. The other Balance NE NE NE NE NE NE constituents are each present in kss than 1 percent concentration.
NE s Not Established. C = Ceiling Limt See Secton 16 for Deen;tions of Terms Used.
NOTE: A# WHM!S anbrrnation is included:it is located in appropnate sections based on the ANSI Z400.1 1993 format.
l&l LtSTED v
i HYPER $PERSE AS 120 UL MSDS (PROPRIETARY)
PAGE 1 OF 8
- n. w _.onn
....e t
e Argo Scientific A BetzDearbom Company
- 3. HAZARD IDENTIFICATION Is:ustatute for the situaten to whech they are respondin EMERGENCY OVERVIEW Thes product is nesther reactive nor flammableThe product is a clear lique with mitd odor. Thrs prod 1ssue Emergency responders rnust wear personal protective eqwpment
{
SYMPTNC OF OVEREXPOSURE IRY ROUTE OF EXPOSURE The most sgnshcant routes of occupatonal overesposure are
- ^""f" MAN INFORMATION inhaleton and contact witn skn and eyes. The symotoms of
,j"%
overemposure to thrs product are as follows INHALATION Inhalaton of mests or sprays of thes product may
"*8 rntate the nose throat. or other tissues of the resperatory system L
Symptoms of such exposure may nclude coughing, sneering, diffsculty breatheg. nausea, and headaches.
CONTACT WITH SKIN or EYES: Depending on the duraten and FLAMMABILITY n oi o
concentraton of overeuposure, eye or skin contact may cause slaght imtaten Symptoms of skin contact may include redness and omtation. Prolonged or repeated overeuposure to this product may lg jl cause dermatitis (dry, red skin) Symptoms of eye contact may V
NM 0
include irrdation and teanng SKIN ABSDRPTON $km absorpten rs not a signi6 cant route of exposure for any component of the product.
PROTECTIVE EQUIPMENT C
INGESTION ingeston es not anticipated to be a likely route of gxposure to this product if thss product is swa# owed, it may cause ms so m e
.wa i.
gasttre descomfort. Symptoms may nelude stomach pans. cramps, and gastrates.
l (NJECTION Accadental niecton of this product can cause buming, reddening, and sweling in additon to the wound.
p HEALTH FFFECTS OR RISKS FROM EXPOSURE: An F=nlan2:_ -s n Law Term,s.
ACUTE inheteten exposure may cause coughng, sneezeg, delnculty breatheg, nausea, and headaches Symptom and eye contact may include redness and imtaten. Ingestson may cause stomach pains, cramps, and gastntts.
CHRONIC Prolonged or repeated sksn overexposure to this product may cause dermatitis (cry, red skin).
JUN-24-1999 11:1R
"~
Argo Scientific A BetzDearbom Company
- 4. PtRat AfD MEASURES
~
kihalation Move subject to fresh air.
Eve Cordact Flush eyes with a large amount of water for at least 15 minutes. Consult a physician if irritation persists.
Sklf) Contact Wash affected skin areas thoroughly with soap and water. Consult a physician if irritation persists.
incastion If own!! owed. give 2 glasses of water to crink. Consult a physician. Never give anything by mouth to an unconscious person.
e
- a. FtRE FIGHTING assagumEs Flash Poltt...................
Noncombustible Auto 4gnition Temperature Not Applicable Lower ExploeNo Limit................................... Not Applicable Upper Emplosfve Limit.....................
Not Applicable Unusual Hazard _s l
Materisi can splatter above 100C/212F. Dried product can bum.
Fwf M A s inG Acents Use extinguishing media appropriate for surrounding fr' e.
Personal Protective Eouiomen_ t As in any fire, wear self. contained breathing apparatus (pressure demand, MSHA/NIOSH approved or equivalent) and full protective gear.
- 6. ACORWTAL REL 88** MEASURES Personal Protection Appropriate protectiva equipment must be worn when handling a spiil of this material.
Exposure Controle/ Personal Protection, for recommendations. If exposed to matedal during clean-u See SECTION B.
operations, see SECTION 4, First Aid Measures, for actions to follow.
Procedures Keep spectators away. Floor may be slippery; use care to avoid falling Contain spills immediately wi materials (e.g. sand. earth). Transfer liquids and solid diking material to separate suitable containers for recovery or disposal.
CAUTION: Keep spills and cleaning runoff out of municipal sewers and open bodies of wator.
PAGE 2 OF 7 so so sst.18bilO6STICItBld6Dr.Jis%N MARCOS,CAWM9 gfQg27 2620 FAX (760)73'la3fesos oceet t
i was r
Argo Scientific
. A BetzDearborn Company 7.MAfEL.EE AISATORAGE Storage Conditione Keep from freezing; meterial stability may be affected. The minimum recommanded storage temperature for this materialle 1C/34F. The maximum recommended storage temperature for this materialis 49C/120F.
Handna Procedures Monomer vapors can be evolved when materlal is heated during processing operations. See SECTION 8, Exposure Controle/Pensonal Protection. for types of ventilation required.
- 8. EKK4UNE CONTROLS / PERSONA 1. PROTECTION Esee.are Limit 16;ea ;.en
_Ng.,
CAS REG NO WElGHT(%)
1 Neutralized polycarborylic acid..............
Not Hazardous 34-36 2
Indnridual residualmonomers Not Required
<0.1 3
Water 7732-18 5 64 66 Comp.
ROHM AND HAAS OSHA ACGlH No Units TWA STEL TWA STF1 TWA STEL 1
None None None None None None 2
a a
a a
a a
3 None None None None None None Product; mg/m3 0.1b None None None None None a Not Required b Respirable Fraction Haeciratory Protection l
A roepiratory protection program meeting OSHA 1910.t34 and ANSI Z88.2 requirements must be followed whenever workplace conditions Warrant a respirators use. None required if altbome concentrations are maintained below the exposure limit listed in ' Exposure Limit Information". For dust or mist up to 5 times the TWA/TLVs listed in -Exposure Limit information, wear a MSHA/NIOSH approved (or equivalent) disposable half-mask duct / mist respirator.
Eve Protection Use chemical aplash goggles (ANSI Z87.1 or approved equivalent).
Hand Protection The glove (s) listed below may provide protection against permeation. Gloves of other chemically resistant meterials may not provide adequate protection:
- Neoprene Ennineerina Controls Nentilation)
Use local exhaust ventitation with a minimum capture velocity of 150 ft/ min. (0.75 m/sec.) at the point of dust or mist evolution. Refer to the current edition of industdal VentHation A Manual of Aecommended Practice PAGE 3 OF 7 185 BOSSTICK BLVD., SAN MARCOS. CA 92069 (760) 727-2620 FAX (760) 727-3380
Argo Scientific A BetzDearbom Company pubitehed by the Arnetican Conference of Govemmental Induurial Hygienists for information on the design.
Installation, use, and maintenance of exhaust systems.
Other Petective Eauioment Facilities storing or utili2mg this material should be equipped with an eyewash facilty.
- s. PHYSICAL AND CM8 mat-PROPERTIES Appearance -
Clear Liquid State...
Odor Characteristic..........
Mlid odor pH..............................
3.0 to 4.0 Viscosity..................
100 CPS Maximum Specific Gravity (Weter = 1).......................
1.2 Vapor Density (Air = 1)
< 1 Water d
Vapor Pressure -
17 mm Hg 0 20*C/6e'F Water Meting Point.......
0*C/32*F Water Bolling Point............................
100*C/212'F Water SolubHRy in Water......
Completely soluble Percent Volatility..
64to 66 % Water Evaporation Rate (8 Ac - 1)......................... < 1 Water See Seenon 5, Fire Rgnting Measures
- 10. STABILITY AND REACTIVITY halabillbf This material is considered stable. However. avoid temperatures above 230C/446F, the onset of potyrner decomposition. Thermal decomposition is dependent on time and temperature.
Harardous Decemoosition Products Thermal decomposition may yleid the following:
-acryEc monomers i
Har=rdous Pohrmerization
- s Product will not undergo polymerization.
frs.rs @ My j
l There are no known materials which are incompatible with this product.
- 11. TOKICOLOGICAL INFORMATION MVit Data Toxicity data for a compositionally similar material are 1;sted below.
Oral LD50. rat: >5000 mg/kg 1R5 BOSSTICK BLVD., SAN MARCOS. ((b6N7[0) 727-2620' FAX (760) 727 3380
Argo Scientific
, A BettDearbom Company S@ chronic /Chrpnc Data A 13 week inhalation study in rats of a compositionally si't.ilar polycarboxylate material showed inflammatory effects in the lung at concentrations of 5 mg/m3 for 6 kurs per day, 5 days per week. The no-observed-effect-level for this response was judged to be 1 mg/m3. Maintaining airbome concentrations witNn the recommended exposurs Ilmit is not expected to produce adverse effects within the lung.
MutaesniCAv Data Mutagonicity data for a compositionally similar material are listed below.
Ames mutagonicity: Negative it, ECOLOGICAL INFORMATION Environmental Toricity Zebra fish,96 Hour LCSO: > 200 mg/l Marine copspod (acartia tonsa),48 Hour LC50: > 1000 mg/l Daphnia magna,48 Hour EC50: > 200 mg/l l
The above EnvironmentalToxicity cata are for a cortpositenally similar material.
- 13. DISPOSAL CONSIDERATIONS P!ncadure l
Incinerate liquid and contaminated solids in accordance with local, state, and federal regulations.
- 14. TRANSPORTINFORMATION US DOT Hazard Class...
NONREGULATED
- 15. REGULATORY INFORMATION Workoisco Clas# cation y
This product as supplied is non. hazardous under the OSHA Hazard Communiestion Standard (29CFR 1910.1200). Under processing conditions it may become OSHA hazardous due to the potential for overexposure to duets or mists. (See SECTION 8. Exposure Controls / Personal Protection.)
This product as suppiled is not a ' controlled product' under the Canadian Workplace Hazardous Materials Information System (WHMIS).
1 SARA TITLE 3: Section 311/312 Catsoorfrations f40CFR 370)
This product is not a hazardous chemical under 29CFA 1910.1200, and therefore is not covered by Title 111 of SARA.
I s
1 PAGE 5 03: 7 185 BOSSTICK BLVD., SAN MARCOS, CA 92069 (760) 727 2620 FAX (760) 727-3380 j
eGtu Lotet CC-9e*6GG1 Decc LCL oSL DIAILH3tD5 CDeus Hodd So/co',d
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. - ~....-
Argo Scientific
.A BetzDearbom Company SARA TITt_E 3 Section 313 Wormation (4cCFR 3721 This product does rd contain a chemical which is listed in Section 313 at or above de minimia concentrations.
CERCLA Wormation (40CFR 302.4)
Relemens of this material to air, laruf, or water are not reportable to the National Response Cerder under the Comprehensive Environmental Response, Compensation, and Uability Act (CERCLA) or to state and local emergency planning committees under the Superfund Amendrnents and Reauthorization Act (SARA) Title 111 Section 304.
Waste Canaamcatiort When a decision is made,to discard this material as supplied, it does not eneet RCRA's charadertstic definition of ignitability, corrosivity, or reactivity, and is net listed in 40 CFR 261.33. The toxicity charado:istic (TC), however, has not been evaluated by the Toxicity Characteristic Leaching Procedure (TCLP).
United Statog All components of this product are in compliance with the inventory listing requirements of the U.S. Toxic i
Substances Control Act (TSCA) Chemical substance inventory.
Pennsvivania Any material listed as -Not Hazardous in the CAS REG NO. column of SECTION 2, ComposmorVinformation On Ingredients, of this MSDS is a trade secret under the provisions of the Pennsylvania Worker and Comrnurdy Right-to Know Act.
- 16. OTHER INFORMATION Rohm and haas Hazard Rating Scale Toxcay 1
'-EnaEME Fire 0
3-Miod Reactivity 0
2W o0ERATE Special 1-SuoHT 0=lNSloNfRCANT Ratings are based on Rohm and Hans guidelines, and are intended forintemal use.
PAGE 8 OF 7 185 BOSSTICK BLVD., SAN MARCOS, CA 92069 (760) 727 2620 FAX (760) 727-3380
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ABOREV!ATIONS:
ACGlH = Amencan Conference of GovemmentalIndustrial Hygienists OSHA = MFnal Safety and Heath Administration TLV
= Threshold Umt Value PEL
= Permlseitite Exposure Limit TWA
= Time Weighted Average STEL = Short Term Exposure Umft BAc
= Butyl acetate I
Bar denotes a revieson from previous MSDS in this area.
The esormemen eenleines herein roleseo erey to use speeme mesensi leanenest Roewn one m company treesvos mt such
>dermeten le essween and reliable as of he slots of We meenriel seesty date sheet, but no representmeon guerensee er warrener, esswessed er empted, la made as se the assuracy. reenkmey, er esmalessnes a or ime Insermeson. mens ans > teen Company usyne pereena reeeMng He inessmesen to meine heir sem esterminston as to em Informecon's eunswiny and neseeennes ter owir mereewier ses.esen.
e 57.0087e027 M2A-97000e082611 185 BOSSTICK BLVD., SAN MARCOS, CA 92069 (760) 727-2620 FAX (760) 727-3380 JUN-24-1999 11:13 ow e 4 ra