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Wednesday

January 28, 981 

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• Part III 

l:nulr,,t nm,~ntal 

ProteCtion Agency 

i~ffi~uent Guidelines and Standards; + G , 

/ Electroplatlng Point Source Category 

Pretreatment Standards for Existing 

Sources 

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ENVIRONMENTAl" PROTECTION " --...z---regulations establishing cafegorical . significant change, and are discussed in 

AGENCY ~ pretreatment standards covering all . section B below• The preamble 

.- firms performing operations in the discussion has been altered to give the 

• [WH':FRL1724°2] : " ~ ~ ""Electroplating Point Source Categor~ Agency needed flexibility, but EPA 

"- • • " 40~TPa~" • " ..... ,. that.introduce effluent.in',opt~icty-:~.:,.-.-.. .. beheves " that the practice-keff'~,-_ ~.~ ' ........ ~''~~ 

_ " - . .. 'ownec]'treatment works (POTWs}. preamble discussion is the same as-that 

"Effluent Guidelinesandstandards; : ~h~s~ operations include electroplating, contempla{ed in the Settlement 

" anodizing, Conversion coating, . . ' Agreement, and, therefore, is not a - Electroplating Point Source Category . . . . . . • " o,=,-^ ,--^-, o,,,.~..-,. ,^. ~=.,;,,, electroless plating, chemmal etch~rlg and ....~r~ficant chan~e. See sec__tinn B below. 

~Ogd;~:.,=,, o,=,u=,ua .u,..~,~.0,, .... milling;"ar~l the manufacture.of,prfiitL~ . For'd did not sign the NAMF --: : " .'.-. -...-. :...... • -. • " • . -circuit boards. The plants covered by . Settlement Agreement.In the Pord 

": ..... ;aaENcv-'Envir0nmentalPf'6te'ctio-n ........ • .... theseregulgfi~r~-~d~tlqf6ffgho~! ....... lawsuit, a jointrnt~tion by Ford and EPA 

.Agen~cy., • th~ United States but are concentrated was granted for an extension of the 

ACTION: Final Rule; amendements, in heavily industrialized areas .... ' briefing sdhedu~ until § 403.fi{e}, the ... . . . . - .:.~ - -Thesestanflards contain specifi~. combined wastestream formula of the 

• ::'- SO~ARV: On'july 3~"19~0, {lie .... nume-rical limitafions-ba'sed on an - . general pretreatment regulations, was 

• - • ."Environmental Protection Agency . " " -e~aluationof available technologies in " ' promUlgated.-Aspart of. the join-t motion,. 

: ' ' . • . pUblished proposed amendments to and.. eae~ industrial Subchtegory. The..-: .' .. EPA agreed toamend § 4~3~.01of the 

..-. requested comments on a final rule {45. ._specific numeri'cal linaitation§ are .... " elecfr.6.pla.ting regulations to providt that 

... FR45322 et-seq.)::which~mitsth'e .... determine~ d ~eparately foreach "._" - - they would not be effective as to " 

concentration or mass of certain ..... subcatego~, and are imposed on .. integrated facilities until promulgat!pn - .... 

= 'poIiutants which may be introduced into pollutants which may ~terfere with, . . o~ the.combined waste~,tream formula. 

i . ..... - publicly.0wnedtreatment works by " • pgss:thr0ugh;',or,otherwisebe . " =. ,This.amendment Was published on..~ 

:.. .operations in the Electropla.tifig Point incompatible with'a pub!i~cly ownecl " • " Marnht~, 19~45FR~19245}. F~A--a4so 

-L::--------~urce Ca t eg~ti-6ffs -fi~a~---~t wor--kY~OTW}:For plants .. agreed that the thre~jyear compliaru~ 

were firs! promulgatedin the Federal " with adaily:flow of 38,000 liters {10,000 period would run anew with respect to 

Register on September-7, i979, and . : .gallons} per, day or more,, the Ford's integratedfacilities from the -

subsequenflyc0rrected by notices in the pretreatment standards specifically li/nit effective dateof § 403.6[e}:'As discussed " 

Federal.Register dated October 1, 1979, indirect discharges of cyanide and the i,in section B below, l~ortions of the" - ~" 

. Ma/'ch 25, 1980, and Aug'/st 19,1980. foll~ng metals: lead, cadmium, ° . ~-..... amendment of § 413.01 have been < 

I: - - After promulgation.; petitions to. c0ppet, ntckel,chromium, zinc, and., retained in the final amendments, and 

[ review t_hefinal rule wer_e_flledb-yi!he ..... silver. Additionally, these regulatior~s .... the compliance date for integrated 

limittot-al-metal.diSchai-ge Whic~:iS- ............. fa6]lifid§~.~s~5~e~ -s-~f-a~-3y-~-m-~r~5~- : ..... 

an-d~e-ins~tuteo-f-int-ercormecting and " "aefined as the, sum of the individual ' the effectivedate-of § 403.6[e]. 

Pa~kdgi~g Electr0nic_Circuits in the_ . c0ncen~:ationsofcopper, nickel, .. 

Court of ,~oDe'als. On March 7,~:1980. . • chromium ar/d 7.inc. For plants'with a amendments

EPA entere'(] into asettlement" :" . daily process Wastewater flow of less 

Agreement •with.the petitioners inl an ? than 38000 liters {10,000 gallons}, these " " Most of the amendments, to the 

effort toresolve the.issues without . .Standards limit only lead, cadmium, and • electroplating regulations arose from the 

further.litigation. The Agreement • cyanide in order to limit the closure rate NAMF SettIement Agreement. The 

• provided that EPA would publish in the industry, o • ~ ..- preamble discussion of these 

proposed amendments aris~ngout ofthe. amendments is preceded by the ~0rds " . 

.. settlement. It further provided that if.the ' 

A. Background "{Settlement Agreement}". Some 

final emendmlpntS did not differ : • .P~.titions to review the electroplating. amendments were required by the Ford 

pretreatment standards published loi~,-, w~ro_ inch,aprl fnr 

petifi~ners.~_ould dismiss- their petitions- September.7~.1979, were filed i n .the . " consistency, or.cl_a~fica~on• The changes. 

~" for review. • ' -. Court of Appeals by the National are discussed .in detail below. 

• ~ The Agency has decided, after Association of Metal Finishers {NAMF}, 1. Cyah~de S[andards. :~Settlement 

reviewing comments by industry and . the Institute for Interconnecting and Agreement]. EPA has revised .the 

other interested parties, topromulgate Packaging FJectronic Circuits [IIPEC], applicable daily maximum lirn/tation for 

the proposed rule of July 3, lg80.as the and Forcl Motor Company [Fol;d). NAMF total cyanide (CN,T) from .8 to 1.9 mg/I 

•final rule withoutsignificant changes, and IIPEC signed a settlement in subparts A, B, D, E, F, G, and H. This 

, ~ -. " -. . . . agreementw_.ithEPA_~thatrequire.dF_,PA -~ ch ange--is -meant-to -allow fo~-th e -sp-ed~ a I ....... Effe c t w e_D ate:_T_he~regulahons . DATES: . . . . . . . . . " '------~b ~T6-15b-se certain amendments ahdto problems of cyanide removal for those 

shall.become effective March 16, 1981. propose certa!n language to'be included who use significant quantities of bothCompliance Date: The Compliance in the preambleto the electroplating cyanide and steel in their plating. date for non-integrated facilities, shall be: regulation, The proposed amendments operations. In such cases iron often 

May. 12, 1983. For .integrated facilities, were pubhshed on July 3; 1980 (45 FR enters the plating s0]ution in dragout the complian~-~ date s~hall be three yeprs 45322 ]. The agreement also provided .from the.rins e following,pickling and " 

from the effective •date of the combined that EPA would extend the Compliance . l:K'ior to platirLg. Steps can be t, ekfin to 

wastes!ream formula, 40 CFR § 403.6[e}, deadline if promulgation were, r~'duce iron Contaminants in the plating 

FOR FURTHER INFORMATION CoI~rACT;. Substantially delayed beyond June 1, solutions through bett~ control of 

Mr: Frank.Hun d or~Mr, lohfi Newbrough, 19B0, and that NAMF and IIPEG would dragout from pre-plating rinsing and use 

Effluent Guidelines Division,. {WH-552}, not challenge the regulatior~ if the final of nonferrous tanks and anode baskets. 

En.yironmental Protection Agency; 401 M regulations and preamble "do not differ. However,~in many ca~es the formation 

Street, S.W., Washington, D.C; 20460, significantly from the:proposed of.iron complexes in the plating solution'" 

telephone {202) 426-2582. regulations and preamble." The. cannot be altogether eliminated. In these 

SU~/.EMEgrARVINF:ORMATIOm On proposed amendments ha~,e been cases the iron and cyanide combine to 

"September 7, 1979, EPA published final . promulgated as the final rule without form a stable"iron complex which is not 
I~S " " ~" " " 

~. ' " ' Fadarat~]Ra~_std,"/: Vol. :46; No. 18°/iWednea.d.ay,. ~anuafy~i!~:~~~ s ~4~3 

: . destroyed~as.is.freeCyanide, by " (:. '- --self-m0nit0r~ng section f.or electi~i~Iating " . standa'rd-forthe comb'inad wastestream " 

~.- . alkaline chlorination .treatment. Titus, w~ll be proposed in the. ne~',future. The-. if one ofthe.non-electroplating-streams 

, .... them is"a fU/idament al difference . proposed . self-mon[to~ng . sectionwill . . is regul0ted . by a 30-day average. 

F' .o " ' 'between platers'Featifig freecyanide ~ als0 disco, s how the self-n~onitoring ~ standard. In addition, if two = 

and iron cyanide complexes. ~ " data Will b~ compared.to the 4 day. electroplating streams regulated under "~ 

EPA took thisproblem.into acc0uni in average standards t0determine different subcategories of this/'egulation 

its regulation by'including those who " c0mpliance: are combined, the.4 day standards rn~ay 

i~. use mgmficant quantities of steel and ~ 3.Revocation of Momtor/ng be used to calculate'the combined 

. cyanide in the data used to estal~lish the -R~q~iremen.ts':{Settlement Agreement) wastestream standardunless an 

i: . daily maximize limitation for cyanide.: . EPAhas revoked the electrbplating additional wastestream subject to 30 

:~..... Ho~vever~, the Agency now believes tli~at ~ coniplidnce monitoring requirements day standards is combine& : 

i~ "• unless the total cyanAtle number is ~, previousl X containedin § 413~03 of the , The new § 413.04 i:ncludes a table 

L.-.~ --" ~ters~whe~utit/ze~ ~ ~; o ~~thb-~~(.~ --~ ...... -:= 

~ ~ ~ ~ "-.~ " ; ~:~Tlf'e-y=~ill 1~e"in~ItRfe~lI~.-~d"77" ............... "~-ax~itiVan~d~f~vera~"slanda~-." ~"~E~.~:. 

through the Use of best 15r~cticable '. ele~troplating standards,ndt i~ the °' The 30 day"average standard mus't be " 

" - " .~" technology.. {The ~d~hdy.als'o'- . : general pretreatment.regulations as the ~ used in computing thepi'etreatment 

considere~l establishing a separaie ~ .~ :~ " proposed amendments had indicated, standaNt for the combined wastestream • 

" - . sub~ategoryfo~ these.platers but-: ;-\, " " "4. upsets. EPK has.revoked forme T . when one or more of the non- -i' " 

".- ~: decidedthat approach wasimp~actica{:... §413.0t 0n.upsets:Upsets arenow " electro~ating wastestreains is regulatOd 

" " t " " - " " " " "" - '\ " " • . .~' ..... -_ he amounts of steel an d cyamde used governed by §.403.16 of the General: . ~. '-by a 30 day average Standard. This table 

.. often fluctuate and'there-is.no ' .~ Pretreatment Regulations. Accordingly, was-computed from the equation ." 

objectivelyquantifiable point at,which ' a special pr0v:ision in the Electroplating .describing the statistical variability of 

.complex~tan~des become aspecial p, retreatment standards wasdeemed the standards published in former 

problem.j~ . ~ .'... ' ~ . • unneces~'Ary. .. "" -J~" . § 413.03 on September 7, 1979~ After " TO establish a more. appropriate daily 5.Definition of lntergra[ed Facili~v:~ proper derivation to solve for the 30 day 

maximum limit, for. cyanide, the Agency On March 25, 1980 {45 FR 19245}i. the average limit, the equation is.as follows: 

: reviewed its data'base to locate Agency Published a correction to -. 

repi'e~entative plants.whic;huse. - ' § 413.01 which had the effect of ' : 

Significant quantities of both iron and removing " "integrated" facihhes " " '-" from. ---

• cyanide.Themedian of.the total . ~ regulation by the eleatroplating ~ . " ' 1", L., _ O,..434 (L, 

cyanide efflugnt fot'4hese•plants was . Standards until the effective date-of the 3 0 m ) . 

0.38 mg per:lRer, with a daily maximum .• combined wastestream formula, 40 CFR .,0.. 

' variability factor of 5.0.Xhis~r~ults:in " § 403.6(e}. The correction also defined ,. 

• the maximura~dailylimitation of 1.. 9 mg the term integrated facility as a fa-~cility - ..... 

per liter. The equivalent daily: " "that performs electroplatingas only . .. ~" . - .. . 

" . " maximums.or e expressedas n,tass based one 0.f severa|operati0ns necessary for ... Where: " " " " 

::-~-:~y--~--~;,~i~~~~t~rodu.~Lat:.a~s!_ngl~- • ~ . ~ .L.~=~standard not to be e~xc .e~. ed-b~tl~e-. " - ~ 

• 2 ~ -FO u r Da y Avers '~eS ta ndad r s , " . quantities of process wastewater from . " t,. = srmmara-nottooee×ceeaecrvyttr~ _. • .. ," . ~ .......... average ca ~ consecuuv e oays • . [Sdttlem~nt Agreement}. Pursuant tothe non:ele~troplating manufacturing - L -" ~aximum ~ - a-- ^v,~ ,~^. 

..Se~:tlement Agreement;.E;PA has. operations. In additionl to qualify as an ~-'" -'~"- ~'~--'~-"~ '~-~-~-......... ,~ 

i ' {. established dailylmaximumand 4-day 'integrated facility' one or more plant . The purpose of this requirement is. 

" average value limits. The change from 30 electroplating-process wastewater lines merely to establish consistency in the 

" limits does not constitute a relaxation in. point Of treatin., ent {or proposed " formula, -

wereIt is well established Agency policy to._. sewers carr~jing process.wastewater - previ0uslypublished and the combinecl " 

issue industtialefflu-ent lilnitations with from non'-electroplatingmanufacturing wastestream formula was carefully 

" both daily maximum and 30 day operations." In today's amendments, considered in the promulgation of the 

averages {monthly averages.}. The 30 day this definition has bee h moVedfrom General Pretreatment Reguiations,~h~ 

•, the level of control technology required, treatment} ~.'th one ~or more plant..: Si.nc'e .time30 daystandards -. 

• average limits are used in part as a § 413.01 to § 413.02{h} with the gener'al •. Agency has promulgated this section in 

"guidefor desigziing the treatment system " definitions. " • . final form. 

.to_remove pollutants_to:required levels. ..• " 6. Standards for !~grated.Facflities~ ~- 7. Revocation of BFt= Limita(ions for .... ........ The 4 day average limits promulgated In place of the UpSdt=provisior/, EPA has Direct Dischargers. As part of these 

.. tod a~_are__part of.the comprehensive ..... added a new section §. 4!3.04~-on ...... revisions,EPA has.removed §§ 413_12. 

NAMF Settlement Agreement• However. standards for integrated facilities: Thi~ • 413.22. 413.42, 413,52, and 413.62. "l~hese 

it is unlikely the Agency • will vary from sectionrecognizes that § 403.6{e} of the sections, containing best practicable 

its cust0mary 30 day average approach General Pretreatment Regulations technology (BPT} limitations for five • 

inftRure pretreatment standard~ for this governs limitations on wastestreams electrop]a.ting subcategofies for direct 

br other c.ategories. ~ ~ .. that are combinedprior to treatment. "dischargers, were suspended 

The frequency of self-monitoring is Section 403.6(d} would apply if an indefinitely on December 3, 1976 {41 FR 

independent of whether or not the long electroplating stream were combined 53018}.'These regulations were 

term average.limit is expressed as a 4 .with 0ther regnlated or unregula[ed • suspended because EPA was then in the 

day average or a 30. day average, The wastes~eams prior to-treatment. The process of gathering and examining~ 

minimum freguency of self-monitoring new § 413.04 also requires that 30-day additional data. However, because the 

required of an industrial Use~" wiNbe ~ average stahdards, rather than 4-day /~ency expectsto promulgate.proposed -. 

established by a sectionin each ~ average standards, be used in BPT limitations in the next round of 

categorical pretreatment standard. The calculating an alternative pretreatment rulemaking, EPA has decided to revoke 

9 
T, 

9484 Federal or.. Vo1.146, No. 18_/.Wedne,dov- Iah.nrv ~, ~oa~_l_.~,,}=o o,,a ~.~,~,;~. I I 

" these previously suspendedstandurds, years." It is still the Agency's v-te~t that For both integrated and non- -. 

The .next round of rulemaking will it is unlikely that EPA will impo'si~ integrated facilities, the time for 

include electroplatingAn a broader standards on job shops or printed circuit reqUesting variances for fundamentally 

" " category called Metal Finishing, {See board manufacturers based on more different factors is.trigge~d by the 

disc~tssion below.) .... 1 ' advanced ~-~..~an. that~forming ' effective date of fi~ts~e~., ~ .,g/ " " " 

. The sections.removed-todaFS-tad . the•basis.fo°r~'td~l~iy's pref~eatmenf. § 403.1.'3of the Gefi6raTIV~tr~L~tn:ienT 

previously been offered as gu!dance t_o standards. However, as work continues Regulations. Industrial Users will have 

permit writers insetting limitati6~ns on. on theni~tal finishing regulati0ns,, if the 18o days from the effectivedate of 

indiv.idual direct dischargers. Permit Agency finds that~the data base or alnefided § 403.13 {or,. alternative ~, 30 

writers should now refer to ihe BVI'- • meth0dology.us~d in setting metal • days from the Agency's decision on a 

• .analog pretreatmenLstandarda amended limitations results in different categoric 9] determinatio~ant to" 

~la i-cq Sqh-~ii-iti-dl e-tRf-0 pl a-t.iiig,-~v~ n~ - ~ - q];~3.6}-h3~-~-e-gPh-fi-FDF variance 

8. Relationship Between These though the limitations are based onthe under the provisions of § 4~3.13, 

Proposed Standards and Best A. vailable same technology as was used in " • " • -

Technology Pretreatmeat Standarars ~ electroplating, t~e.Agency may.ha-vd'to. C. Executive OrderlZ044 

(Settlement Agreement}. This regualtion reconcile the electi'0plating standards ~ " . Under Executive Order 12044 EPA is 

_'. , requires'categorical pretreatment .. - with the metal.fi~ishing •standards. In • required-to judgewhether a regulation is 

.. slandards satisfying..thei'equire~ent in". addition, as partof the BAT analysis, . " "significant" arid th.erefore.subject to the . 

-=- the NRDC consent deci-ee-tlaat standard~ EPA will con~]der I~e disi:harge of toxic procedural requirements of the Order or 

. .__,. " analogousto best practicfible control organics by-the industry. Preliminary whetherit may follow other specialized . 

. technology (BPT) bedevel0ped for : investigations i~icate that.toxic -° " development proc~ures. On June 26,. -.. 

' existing sources in the-electroplating organics may'Be ~:0ntrolled through best 1960, the Admini~..trator reviewed these :-- 

•point source category. {Paragraplq.13, 8 . .management practices with litt!e .. , . amendments and determined thatthey 

.., ...... ERC 2120,. 2128 (.June 8, .1976}.} ., . , economiC_impact_~r~h~eqndusiry;-In ..... are~a=spedalized regulation not subject 

.... ' .~~ Th.e~Sgen~y is..in the~rocess.0f " " considering aiayxe~lation-of toxic to the procedural requ/rement's of ~ 

: ' -d.eveJoping pretreatment standards- organics, careful attention will be given ..- Executive Order 12044. For a complete --

analogous tolthebest available " .- to the economic.impact:oa the industry. discussion of the Administrator's in/pal 

tdchnology economically achievable .... 9. ~omplianc~ Deadlines (Settlement deten~na.tion regarding th,e..~..<. . 

(BAT).for electr0platingi.These . Agreement}. ~a'ccordance with the " • electr0pla.t/ng.reg~tlations s~e 44 FR 

... standards are expected.robe . NAMF Settlement Agreement, E.PA has 52592 {SepL .7, 1979}. 

" p/'omul/~ated in198i andwill be called • extended the compliance date for non- •" . "Metal Finishing" regulatioffg. They will " integrated facilitiessubject-to these "~ D: Summary of Public Participation 

~ ' ....... ........i-..... _ "wingth_e promulgation Of the " inclUde!the processes_~'egulate__db__y_t._h_e_ s_tan_d.ards to.M_a_y_1~ l!~83.=The: ' ..F_o_llo. 

-~- --i......eTe-Ctrdplatifi~.4tai/d~irds and many other --.extengion is due. to the delay be~,ondL electreplatinKfegulations several- "" 

metal fihishing processes; Tlie metal June.l, 198o for promtilgation of these ' acti'ons:were brought in the united 

finishing_reg~ations=will also contain.. ~al_amenf]ment~. ...... : ~-- .... ~tesCourtofuegppe~ ~m'-Ihe.:ThirdBAT and BPT for direct dischargers, : : ..... EPA.has extended the complianc e Circuit challenging various aspects of 

• newsource performance standards; and date forintegrated ~ facilities td three these regulations. Among these are 

• pretreatment standards for new sources. years from " the.effective date Of NationalAssociation.ofMetalFinishers 

.. Consistent with Agencypolicy, any § 4o3.6(e)of the General Pretreatment • v. EPA, No. 75-2256 and the Institute for 

fu{ure BAT:analog preb'eatment,~ . Regulations..EPA agreed to this lnterconnectin~ and Packaging 

standards will be based on lreatinent extension because theAgency be!ieved. Electronic Circuits v- EPA, No. 79--2443. 

- technology compatible with the'model •that the combined wastestream formula, ~ On March 7, 1980, EPA entered into an 

technology upo n which these standards '.§ 4o3.6(e}, w6uld haveto be promulgated. agreement with the above petitioners . 

" werebased. These new.r~,ulation s :- in final form befor~ integrated facilities wh]ch seeks to settlethe issues raised ia ~ 

•" '" ' sh0uld.xtat,render.~bsoletp- the. " th~ ~tigation. Undcr tcr-'=~.-of-ff, e 

- technology designed-to" meet th e Blrr • obligationsunder theelectroplating -Setll~m~/nt ~em~nL- th-~ petilione/'~ 

analog regulations. At the same:time, standards. stipulated that if thermal regulations do 

. ~ BAT-analog standards may require the 10. Variances, Reporting. . not differ significantly from the -

• " installahon ofadditi0nal pretreatment- •Requirements, and-Categorical proposed regulations, the petitioners-- 

technology. I De'terminations. Fornon-integrated will dismiss their.chaUenge to the 

EPA is sensitive to the fact that the facilities, _reporting requirements.and- dectroplating pretreatment-regula tio~. -

- joh-shop-metal-finishhag~.~gment may bC--c/itegdi, ical determination requests- On July 3, 1980, EPA published the 

.. vulnerable" to adverse economic- impacts under the General Pretreatment • proposed modifications arising out of 

-as a result of pretreatment regulations: Regulations were.triggerod by the the Settlement Agreement, and 

In the'preamble to the september 7, September 7, 1979.promulgation of the requested public Comment. After 

1979, standards, EPA estimated that 587 electroplating standards. Facilities that considering these comments, EPA has 

metal finishing.job shops, employing filed timely baseline monitoring reports " decided to publish the proposed 

9,653 workers, may close as a result of •as requiredby § 403.12 may revise their modifications, without significant 

these regulations. . ._,. reports in light of the change in the . change, as the final m|e. 

As part of the NAMFs~Uement cyanide limitation in today's .. Comments on the proposed 

agreement, EpA stated in the July 3,1980 amendments. Such revision is .not modificati6ns Were received from 

proposed preamble that in light of the mandat'ory~- several industry trade assoEiations, 

potentially severe economic impact of. • . For integrated facilities, reporting individual industries, and public 

these regulatioris on the job shop -requirements and categorical sewering agencies. 

segment o'f the industry, it would not. determination request~ are triggered by The major commenl?s and Agency 

"imposemore stringent pretreatment the effective-date of the recent responses are as follows: 

standards for the job shop metal a .rnendments to the General {1} Comment." The amendment makes 

finishing segment in'the next several Pretreatment Regulations. no allowance for delay in attaining 

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• ; .... ,~, . .. . ". . ~ _ " .. (, 

F~lel~a~:;]~Lster/: VoL 40~ 1~ :~8./( ,V~/~:~,~.:J.azmary: : " la,d " " " " • " . -:: i • I'T "'~" I , rr', 

c0mpliancd' past June=l, 1980, per the .:_Response: As. discussed previdus}y, . for. the Elect~oplaRng Point ~%om'ce 

-EPA/NAMF settlement Agreement. . " EPA'S data indicates that. platers that Category,) The relaxafiun of total 

• Response: Under the Settlement . . use s~gnifican[ amounts ofsteel and - cyanide limitations.contained in f~lay's 

Agreement, the compliance date is to be . cyanide L-d~n attain the revised cyanide . amend meats provides a realistic 

• extended by the period of time between • limitatidn. Howev~r~ with respect to the standard that can be achieved by 

June 1. 1980. and the act(ial date the reference to.dilution and mixing~ffects, platers who use sign/fic~antammmts o.f .. 

. - amended rules are promulgated..'i~e +. " the General Pretreatment Regulations. . steePand.cyanJde. . _ 

Agencyhas extended the. compllapce • prohibit dilution as a substRute for ~.~ ~ ~ . ~ - ~ ~ 

date o£ these •regulations accordingly. ~ treatmentS[See 40CF_R 403.6{d).}. ,, ' .,..b~.ged on m~ nata~ ~ unprt~. ,~ .. • " 

(2} Commen~" The't.gmglFstanda'rd 'y ~,~M0reover, "mixing.of pro?ess~strea.ms m~.,~od01o .gy ana ~ not ~pr~, .sere rim:. ,m.. 

for total cyanide is impossible to.meet - may subject ithe industrial user to the. achievame zor plaung 0 z steel m cyamo e . _ 

~k,~.~4~-~>~,,~=m ~- ~ h e ~ ~ . ~ " .. . 

' ...-. ,~-,~-~. ,~-~, : .' ",stream.z, ~ -.- ~'=~-483-6 .e " . .- - ~esporme:-.-.-.-z, ts'mscmmeu a oO.~.-,~ - . 

:t".~" ~o'~'~~'~'~"~ daily and f0w'day average are.far more • level that is achievable for el~ct~platers " 

) ' " amenabie to breakdown by oxidation realflsfictha~ previou s limits. T!0we.ver, subjec.t to this regulation. Forthe 

• ' methods. Z erero '. th tota cya a Itho.u theJfo, i ts are mesh .odo!o ,. s e'e ~tanflard shn.ld he eliminated from ' " than me 30 ~ay average mey replace, . . DuJ. c,o~memu:t.ne me~ ' " 

• ~.~-~'~'t~-~tan-~-r~--7-'-.----.- -. iheyd0nbtr~presentarela;xationofthe • employed~bYEPAi~flaweda~ro~ Its _ -r................... • "' " " • " ...... EP laths " ' " " Resbonse'"~e amended~ Standard bf standards s~ce they are based upon the .m overly strmgent-lims~. A ~mt. " • ;, o ~ ~/~ W~:. ..~= ~"~d after same formulh f~om which.the 3O-day " used the.raw data directly to cakmlate , ~ .~,o "NS/" ~o ~v,~,uM~., .~ • • ., • . . . . . - • • 

.;, .... ;.~,~ " ,~ ,~;,~,]o,~ ~. ,~~,,~ average vaI~es were cal ..~at~. - ' • " pretreatment fronts. Instead, EPA has • Jtl~t,t/,tl~lU~.t.Ll~ Z.ZX~ ,I,~/.UI.JI~.U,IO ,.a,.l.Z.,ll.l~.il,~ , " • ~ , - ~ ~ • - 11 . t.~ .s " " a " st ' " =" • " 

. _..__..,_ _.__,.:.:~ ,_: ~:ac~......d . . - ~esponse-'rl:ne 4-say average numDer8 . emptoyect a~ el~b~r te a;t~stica~ .: . ~y~muu ~uutp~,u~ l~ u .~fp.utuz • " " " " " " O " I " th "" " " " " ~ "~'- dies conducted b- were not intended to be a relaxation of • meth do og~ to predict e . . . - OlSCUSSlOn aoovel.:-~u , y ' . . .: • " .- • " ~ ~,,~,-~o.~=~ =u,~no ,~M,~,-~ • the prior 30 day average stand:ards.-The cancen~atmns that shouki be aehieved 

~ ............................ " ..... " " . . . . Is. Ia the " -" 

:" technology will reduce total cyanide to "°~gen.cY,].s.req~..u~ ~4et~Ya=;ages as a " ~°Yc~we~e allow u ~atP~raw 

:--- 1.garemg/lpresem..wherem aomuon,Zr~'"cYa-m'de~°mple~; s.om r cyam e " ~r~temZenmLe~°~;r . . discussion . of ~is, ' data . dOes not corzespond wi~ EPAs' .-

' ~ . " de.struc~-on~techno]og ies may be applied__~.i provision, ~ee the discussion of 4 day . ..caIculated'limits--that ie a ~bez M 

- " -'with equal success;, although thee:are :avera~e'standmd:l~-~b-pve..~." " exemplary.plai~t.a viol~tte EPZL =--: :"........... 

not the fechnologicatbasis for these : : (7} CommehL" The proposed " " standards. .. regutations,~Fbr, e~ampIe, the addition o~ • amendments remain Silentregarding the .... " Response: A detailed mumma~ of tlm • - disposit/on of small electre.platers " methodology empI~yed f/=r'sett/ng .... ferrous Su},fate to.the precipitation-.. . djschargingmuch less ~an ~[0,000 gal~ pretreatment r~na ~a presented ~n 

clarificatiofl system has been:found to " day. EPA should reconsider the .... Section XII oft~ Supplementat~" 

•ref!u~e .total cy.a~'de :to less than 0,4.mg/~ imposition of a practicable low end cut- Information m~terfl~ prececF~ the. 

- "l, :."_. :. -.~_~..L....: .'~..:,.' ....... offle~el~belowwhic~ind£mc~-' :~. " Septembe~,:/M/~ru~esar~~=~ ...... .:. 

~ ~ ~ ~....:~ ......~ _ ~ - ~ _ n i ~ ~ ~ . . ~ . . ~ .~-X---. -- e~_~u.n~..m<m~-~m~ ~0~-.- .......~t~,g'bi~ical p/~de~eht s~ds,-, statistical al~.roach u~.m the bezt " 

eqmpmem to ueaz wastewa~er where RespoTrse:. The regulations ' ' mefl~od for ~ffiki~ in4o account the man~ . 

the POTW is capable of ~eafing ik thtm . p~ed on September 7,197g, . variables that-must be considered when. 

rendering pretreatment an unnecessary provide that 10.,000 gel/day is the flow setting pretreatment standax~. 

expense, - • . cutoff dis~ large.and.srnaH. Tl~e data base used.~n devdoping . 

. .. Response." See the Rests to_ ind/rect dischargers. Withrespect to ' t~ese standards is-n01 restidcted tO " 

Comments-It and 13 below. " ..fa~_~tie~.cH's~.~m~c~.less ~.an...... e x~a.rT_ p]an~ _d~. ~. Dat~ on 12:3 -

.........~.......(4):-CS~FnT~le~-th-a-n:Iff,000~.~.~.~-~!/-: 1()',~ga]/~ay, the Agency b e]Jeves:tha t ~. pl a fi'ts W e~ L~b-~ 5 ~ff ~ bTa-"It-i~l~-~......- -

day variance causes.severe economid . the present regulatiorm are ach/evab~ " -w~e. us:ed in the statist/cat analyses, . " 

disparity, since it allows theumler a~dnecessary. ' Screening crfter/a appI~ed to the deta 

I0,000 gel/day discharger t~esckpe the (B] Comment: Since the Set~emelit from 123 plants det~k~ that anl~y " .. economic burden of installing Agreement Was signed, NAMF has data from ~'rpiants were usage. The 

operating treatment faci~tiea. continued to review the Ageney~s data screenflug c~teHe excluded plants that 

... Response:This comment was basea_~d methodology, NAMF eontflmes. were imply designed or clearly.. 

addressed, in. the final pretreatment to.believe that the me~ ~Fmlshing" in~op~ op~-a~:~ta~d~.-., - -:. 

stand~irds ~romu!gated September 7, regulations, even as ~p~ed to be represent the-perfo~-ah~, ofb~ .......- " 

.1979 {44 FR 52603). amended, are not economicMly practieable techn01o~y-~~@m>t .......... 

•{5} Comment: The proposed revision achlevable, that compliance is not • ' be considered in..sm'fin~pretreatment - 

of the Cl%r from 0.8 to 1;9 mg/l in feasib/e.ustng the technology specified stah6ards. Also, p~ants wih~ adverted 

subparts A, B, D, E, F, C~ and H is a by EPA, and that the regulat/ons'are far treatment systems such as the L~rncey 

more realistic approach for those platers more:string~mt than neces~ry to pcotect treatment System were excluded f~x)m -

who utilize significant amount= of steel the environment. the data bese. Removal from the dam 

end cyanide. From dam obtained I~ tim base~resalt~d f~m ex-c~.'~-b/hi~-TSS 

field by q~ compe~y, we.rm~ t~t im 8ddmm~ Jn the S~mm~ 7, ~ v~es,/mproper ~ i~ t~ ~, 

s=ch ptant~ a mmc~e~m o~.9 m~I CI~ m~l=u=~ tlm ==mmmle ~ d the 10w'pollu~ wl~ i~ ~ r~w wms~ 

is easily attaim~ by good p]-a~ ~i~c~t~ ¢a~m'y ,pdlttom.tSee , ~cL C=,taJn~ pIant~ have 

op emtion~- Fur~3e~ mixing ofprocu= FR r:~mo~J~ ~ alad~k~ct~ate " subs~"t~y been elim/nlte~ as • resm~- " 

.streems.and ttie'assoc~ated diMocmtton m:.hneal ~rt.fo¢ the mom~m~nded of informatfo~ ~ by pertic/pm~ts. 

and dilutio~ effects also in~/cgte that ~reatment te~mo|o~ies. {See 44 FR ; {11) ~enL' The. Cl~n Wa ter. Ad, 

the 1.0 m~l fm~-<~y avmege ~ is a 52~-601; Development ~ for ~ as Qnvistor~t by Cor~re~, was 

more atm~=ble lh~t. 
r, ~ ........... - •. .~ ,* .. 

POTWis meeting its N~S permit {13} Co~me~ Congress inlen~led that 

limi(ations, then the water is sufficiently the combination of pretreatmentand" allowances. By this means, the " 

clean to obviate .the .need for .Industrial treatment-by the POTW achieve at least combination of pretreatment by ihe 

Users to comply with pretreatment the level of treatmentlwhich would be Industrial User and treatment by the 

standards. " : . . , .. . required of a direct discharger: POTW is at least equal to the level of 

,Response: A'simiIar comment was Response:This statement is correct treatn~ent which would be required of a" 

addressed in the final regulations . and supports the.approach taken by . direct discharger. 

~ublished September¢, 1979, 44~FR EPA in setting pretreatme'.nt standards '(14} Comment: The electroplating 

-~ • 52590, 52602. Iris c0rtecrthat Congress' " for e]ectroplaters. Two major themes " pre trea tm'eni-stan-dards bear no 

irllended to clean up.the Nation's waters run through the legislative history of relationship to treatment levels "_s~p 

.. '.. through:the Clean Water Ac L However, pretre.atment standards under the Clean. to be adequate." The commenter argues 

Congress did'not take the approach i Wafei" Act: First, ih-direct dischargers that if the local POTW sets limitations 

advoca~d by this commenter, ~.e.., o 'must-,~ subject to pretreatment . for its Industrial Users, and those- 

~x~mption of*Industrial Users from standards-equiv.alent to efflu.ent . :'- limitations are les~stringent than those 

pn treatmtmt standards ifthe pOTW , .. • limilMions imposed on direct : :: imposed by EPA, then EPA's limits must 

" i.~.~-=dt~es-not~ violate i-tsNPDES permit •dischargers and second, despite the ' be too. stringent,. • " 

limitations. Instead. Congress'enacted " ".. desire,for parity~between direct and . ". • ResRonse: T.his"commentis based-on 

!.. Si!ction 30;r[l~) requiring EPA tO egtabtisb indirect dischargers, indirect dis.chargers ..the falsepremise that pretmatment 

pretreatment standardsforpollutants.. should not be required't'0 i'hstaU Or stand_urals established I~y local 

_ whh:h.pass thr0ugh,interfere, Or ari~. . perform.treatm~t that wouldbel;i " - : government should form the basis for 

-.otl~rwise incor~pafible With the PO13N.~. - "t~edundant:with the treatment performed .setting national categorical l~retreatment- ~: " 

Thus, Congress established limits at the . by the PO .TW. T9 me.et these two goal~, stanqlards. (See discussion of this ~ssfle 

individualI_ndus'trial UsePl'ath~r than at EPA pr0m.ulgatespretreatment e ..... ' at 44 FR 52602.} However, Congress .-

th..P(~V,. i . .. , " - standards analogous toits direc( .. _.l'.equii'esF~Atoestablish technology- ,~ 

~ . Mo~ovei', pretreatment standards are discharger standards. Pretreatment" . based standards that are equivalent to-. 

b.sc.d ~n the best available technology : ....... • ..... " those established for dh'ect dischargers. • stanaaruspromulgatea a~.me same ume. _ ~. , ,., - . ___, "~ • e(:onomically achievable: ~hey are not i - ~o ,,~, ~..~-~ ~.,:~...~ ..... ma'm ~ccorumgty, wnemer or not r.,E.~-s 

: bhscdon effluenLqu~lit3;."(See sections ~? u.~,~ o~= .... T. ~..~ ..... ~ t~',-~. . standards are.reasqnable does'not . . . . . . mrect amcnarge nmlts are anamgousto " , ..... " , -.. "-3-61 [b}{2}(A}{ii) & 307; 3 A Legislative ~ " ,, .... -....... , ...... - aspens upon a comparison o~ nanona~" - U~L rretreatment stanaaras, like ~ne . .... , - - ..,, • • " pretreatment stanaaras wtm tocai ~Hisior~; Of the CleanWater Act.at 271,} " electroplating standards which were .... • . . . . • " stafidards, but, instead, on a 

"la°h~;rgvU~ ~;t at~efT~flusean:isqf;;ligyts ~)or°c~°seel ¢~[sth~a~m: ~me~t~t~d~rdsf" :~t~mn~a~anm~d°l°gy=uaedm .. • 

" pcrmit-isadequate tO obviate the need ~praeffcable Control technology cm~ently ..... rw~; ~ .... • .,, ,. • f r ' tm nt at: i t ar - - txai~t, omment." ~i w s snouia -De .. o pretrea e stand ds s o gue • available:(B.P~., are analogous.toBit_, .__ :: .~ ,__..~.:_ .___~.a_,~.~: ..... -_ • _~- ? ° ~ • " " - " - ." ................................ r'~'-~" =---~'~ ..... : ......... 7" - _ - .~ .... I~U/~U't~ ~IV~ ~ 1 ~UWO~-It~ tU 

: - .~-:that-pretrea[ment standards should be " EPA has ~sQ, ho_weyer, establishe~l a ----Industrial U-sara e~,,oc~all -,.~,-,-o sore o~ " 

.... based.on-efflffentquality rather than .- procedure for.aChiex, ing Congress' ' : -. mtmicinalifies mavnot'vJunta~i']v See~k • ' bi,st.available :technologY,. This is not • " solution to the'problem o'f:~dundant . .~ ..... ~ ~li~,w~,,~-~= or,,,° '~ " 

what Congress intended .... . : " treatment: removal ~n_c~s_, S_ect.i:0~.~L~i~/~l~t"i't~es_~r~at'~-~tbo--ctiffi-ch3t ....... 

" - - [12}Comment: Congress intended. 403.7 of thec:Qenerai~.atment ' to meet RPA's 'r~_m, lr~_ra~nt~ far cdv~no 

. prctre.atment s~andard s to apply, only.to - Regulati0fi s~is~6~e-tail the ste~iS .~-~rem-o~ala--ilov~a-nces~--an'-d,the-'-~fore"~'-~ey 

"the mo~t,significant pretre~tment ' • . that the.POTW~'ndIndustrial User must . do, not intend, to apply for them. 

problems..{Legis. Hist. I at 800.} . .. comply with ~r to obtain a " • Response: Two points should be made . . " '.:" I~oSpon~.e: EPA is wl'itingpretreatment." "remova~l allowance,.The .removal . " .ii'tresponse to this comment: First, EPA 

standards for the industries most likely " .allowance may be~iven by a POTW " has revised the removat-~wa,~ 

~'" .. Lo coah'ib~cpoUutant~Tndee d,,. upon demonstration-twthe State or-EPA pi-vcedm~-s in ~/men~ents to th-e ~............... • the discharge of wastewater fro m that it is consistently re~aoving the .. .General Pretreatment Regulation to- 

- e]ectroplaters is one of. ?the mbst • " regulated pollutant, If such a provide greater flexibility in obtaining 

signi[icant pretreatment"problems." demonstration is made, then the POTW" removal allowances. 

EJectroplaters use large amounts of toxic may reduce the national categorical .' ~econd, removal' allowances were. • . ~ea'vy. metals in-the plating processes .pr.eireatmefi£standards_a~!/cable_to_/is____/ntended_to-be~ g/vemo~~s~__ L_ 

well as chelat'ing agents such as cyanide industrial.user s by an appropriate discussing the removal allowance 

to promote smooth plating of certain amount. However, the statute provides provision, then-Sehator Musk/e stated: 

-. . mt:taJs. Electroplating is one of the 34 that the~e removal allSwances are "Where a local c6mpliance program is 

• . categories listed in the NRDC-~. Ci~stle available, at the option0f thePOTW. ~. approved, EPA and the permitting States 

;. Consent Decree~ 8ERC.1220, as.- • "[P]retreatmentreq~rements * * * may • may approve case-by-case modjficat/ons 

modified at 12 ERC 1833 [Match 9, 1~)79}. be revised" by ~e POTW {§ 307[b]}, .and of the national pretreatment standards-- 

ln'deedl theAgency estimated in the may not be giveh if the POTW's or local credits---for documented ~ 

: preamble to the final regulation that discharge violates "that effluent ~ ~, ... pollutant removals attained by a .. 

• conlpliance with the pretreatment limitation Or standard which wou'Td~e publicly-owned treatment works.T0 -

standards for electroplating could applicable to such toxic pollutant" if ~. receive a local credit there must be a 

• el imlnate 140,million pounds per year of . discharged by a direct discha~er, Or if" " demonstration that the pollutant is 

toxic pollutant s from entering the water the discharge from the POTW p~event~ "' degraded or treated; credits will not be 

or concentrating in POTW sludge, 44 FR ':sludge t~se or disposal by such works in " given for dilution... National 

• 52591..The next largest, contributor of " acco~lance with section 405" of the Act. . standards will not permit local credits 

~. toxic: pollutants is the iron and steel . • The Agency.hasfulfilled the delicate for pollutants which are " 

• ~ i~dustry at 11 millionPqunds peryear. balancing required of it by C~ngress by bioaccumulative or persistent toxics, 

See.also Responses to Comments at 44 establishing technology-based Tying local credits to local compliance 

""~'~ FR at 52606. ..~ pretreatment standards and establishing programs not only provides an incentive . " 

¢ 

. . J , 

i 
i' ... . . -. . , .: ..'. :-. ~ . -

-Federal :Reg~tm'] VoL 46,. ~Io. I8 t Wednesday, January 2a, 1sol") Rale~ a=~t t~g~a._ flossy: ; •~_-:~.i-. ; 

- . • • : '. - .~, . . .~ , .~ - - - ,. . 

" .f~:loeag participati0t% .b~ mo~ i "'" " Besponse:.EPA"a economic anal~is is , revise the treated effluent mad ¢ 

..... :irhportant~y; it p/~vichs assurance that • a short-m anah~sis based an Variability factors. Plant N~.11Oa is 

.. the removal levets which juatiiied the " , amo'rtiza.fijm of investment over five identical to Ptam No. 14 ha EPA's data 

local credits wfl} be maintained by a years. Therefore, the estimate on the life base. The Agency has performed 

~. ': -:publicly-owned, . . _ . ..treatment. -. works..- Of a t~eatmenbsystem, is a moot point; . calculations excluding Plan~ Nos. I108 

committed to 0peratmg a sound, . for the.anal~/s'is or~ conside~ the short- and 14 from the data base to determine 

~- " pretreatmem program.'" {~ Legit. Hist at .run time frame~ The~IJe. of a . w.~;gj.~.~o~Id___._~_. 

.-.~-I~. -~k~.Deh ~ " J . ~ ~ ~ ~ : ~ l~: a~i~i~/h~.~re~.eatment.s~ _m.M~.._~,: .:....:_.-~ 

.... " -from-this discw, sion-~the prSamilml .... , norrelewant tgme an ai~Is .......... -.... Oi~"d~il~fila-t~ons, which have been " ,. 

• arc]'iiteet of the Clean_~/ate~ Act that -~ ~ ~2~1):Cbm~/rent.'-T[lere was no .included in.the administrative record, .... rer0ovai allowances were notintended additiona~ dam collection for EPA's 197~ ......... F4h ......... 7, ~v:-~. " ........ ~= - " • '. . . " .-'- .=-.4rl~icate-tffaf lqer~l~ iiOa 8 i I t.a ;. ............ ~-~-- tribe reqtn'r~d:0f every POTW, and. in ~ report to supplement the data_!n the_1927- " ""7~:~. ...... ~-e, ...... ~~.~" ~f~,~ "-~ the~ .... f-~:~~~,V;~tretmr~~~ ." f,'a.c~_~8:b-e Imited to•those POTWs . rea~mO.rt~., . ~e~ mfe,~_k~ r¢~111~g.from the r~a~ova)--~'~" " " 

:"~=:~~~'ns t rat e removal- and i 

were.committed to operating ,a s0und . , RespOnse- Tl~6re Wa.~, kddi~dal. " Accordingly~F_,P&.hasMetem~mdno¢ to! 

pretreatment pregram, ~,. •. . .- technical data coLlec~on following. eliminate ~ese data fi-om .the data base ] 

• (16) " Comment: The electropldting r' " EPA's 1977 ~porL-. Hewers, nor to recormide1" ttiese amendmenfs, i " ~d~i~ = 

• standards should confain a provision, technical data was n~,,~eU:matched E. Effect of Reprinting Entire T~x(of 'i 

"discussing removal allowanc.es. " . ..i_ wifli the economic data."Paerdore, it Part 413. " i 

, Response: The procedures f0r~removal was not;incorporated into the. I979 . 

all~r~ett~. _" .ed in. Secff0 n . r.eport. For this report the. 1977 daht was Today's amendments reuse part, but i .. " :•o 

" 405.7 of the General l~etregtment .... . ' updated where, pi~sibteby means of notall, oftl"ie existing4OCFRPa~413 :..........' 

•Regulat!ans. Thee p roceduresappJy to ' indices and inflators in ort~ to reflegt ' published on september 7~ 1979. In the 

thesestandards~ ,~- . . . . .. 1979 conditions. - - re g~ato,"y section ~ thiaaafir.e, 

• (17} CommeHL" An analysispu~uant . .{22) Comment Opera.t~_.gand- however, EPA has reprinted th~ eat~ , 

i0 Executive Order ~2044 should lmve maintenance costs (O&1~ as& Part 413 as .itis revised by these 

been. dane for electroplating.. EPA's. " percentage of cal).Rgl Costs me.higher amendments.Those portions af the • 

argmmeat that the.NB.DC ~..17.ostle . than the .12% thht EPA originally ' September 7, 1979 regulations that am 

- C~tOacree imposed.~dlizam o~ " projected;As n p ~ ~ . , not Subs~anffve~, amended hx toda]t's ~.T-.==- =-~ "=--~--~--~r-~--,.'~ .-e===--./~': -'~-.-~ ......:.......~IS1~ilMll~'~B~t'~1~"=SlII~ ~e l~ gSk'A S

me l~l;~;~e ozmec~ropmung . .., , .c . ,.. ~... ~ -_. • Federal Reg~er are on~y ~ pretreatment standards is imlmmmt& ..reseatcamom'am~ m ~,ancammn.. " -. • judicial review in tho~ pe~lmm tot. 

- R~spor~e: A full explaaafiaa of II~A'S previou~'~t ~ thia ~ t1~ ,~ ,review that were filed Wight, ~ d~ 

responsibilities under Exe~ve Order.. apparer~ ~ betweathe the i~,ernce d the September 7, lifTS 

12044 was given-in the Sepibmber 7, • original EpA figures and~ the ~ti . regulations. . . . . . . . . 

1979 publication ~af these Fmat . " study ha= not been covered, However; Dated: Janaa~ ~, I~L 

• , regu]atiorm. (See44 FR 5259g-~J5.) The this i t ~hei]~v .na~,~d..;~["3r~'iamaali . . . . . . 

. ~ .... ~NaDC.v. C, ostl~.t;onsent-:Dec~ee . . -tu~:-was not fin el--" " ;"ag -v_~_ ....... "~' -..... "--- : ...... " ........................ 

:-..:.:_ :u,xrv,u~u u,,,, v.a-r~-.wuu~u¥~umu~=, analysis;~r~t]mr:itwagafmptg-a "m0~k- ., .- . ..... " ....... 

pretreatment standards forthe .. up" which used a different bat~ f~r the 40 CFR Par~ ¢13 fs revised by. 

e]dctropIating point.sotm:e category by . catculatiorf Of O&M as a percentage of • arnendfng §§ 413.0a,:¢t3.02, 413-14, 

May 15, 1977, ~ee8 ERC 2120, '212.8.] capital costs. TherP3ore~ pr0t~dm'~. ~ on 413.24~ 413.44, 413.54, 413.64,.413.74, 

.. {18) Comment." Pretreatment results in • dataus'age,:datama~ipalati0nam:t .413.64, by/em~ring§§413.03,413J~4 ~ " ~. 

no significant increment in poll~tfon - consequently, resists, wouId differ. For - 413.05, 413.12, 413.22, 413.42, zE13.5~ 

control Re~sponse: This comment was example, one obvious, diffet;enP..e 413.62. and part of § 413.01, and by .' between the studies ia that the " addi -,o § 413 r°~h~ anti, anew seclion • . - - . . . . - .... ~ ~'-. " .. .~. . " : ""~ "~t / -

addressed'In the.preamble-to the final. Cincinnati sra~-,c~flat~1"tre~mm ..... iil~:04.-T~e~r6~Fa-ff~a-~-~ ......... 

reguiations~ published on September 7, of t~eatmenf equipment as a component .fbll0ws: - "-~=:=:~ " 

• 1979, 44 FR 525g0. 525g7---5260~ See also of O&M. whereasEPA"s original study = 

Fete Of Priority Pollutants in l~tblicly did not A .simple difference in PART 41~O4~.~TIN~ 

Owned Treatment Works, Interim '~ssumptions such as this one will cause SOURL~CA~RY 

. Report, EPA 440/!--80/301 (O~tober O&M costs in the Cincinnati. study• to 

Com_ment: The electr6plating " -~--.~'dy-~ . 413,'01 Applicability. 

..... ~andaT-~l~l~a-v-~ g gevere-'economic- (23) Commem: These regulations are 4"1.3.02 General definitions. 

impact on amaB eleCtfoplatera. , based on faulty data. One of the plants 413.03 [Reserved] 

Response: Th. ifcorflment was relied On by EPA submitte'~false data 413.04 Integrated facitiHe's. considered and addressed m the final and recently pleaded guilty t o 413.05 [Reserved] regulations published on September7, falsifmation of reporting data. We 

1979, 44 ~ 52590; 52592-96, 52602, requestthat EPA revise its calculations Subpart A--E~trop/ati~ o6 Common 

52611-17.. to eliminate the use of Plant No. 1108 in Metals Subcategory 

(20) Conurm~; EPA Overestimated the the dam,base for.,bo_~_treated effluent 413.10 Appiicabiiily:Description of the 

life of a treatme'rR systen~ thus causing and variabiItty-factors.we alsb request electroplating o~ common metaJs 

long-term treatment costs to be reconsideration, of 1has e proposed ~' subcategory. ' 

underestimated. EPA esUmated a 20 amendments. 413.11 Specialized definitions. 

year life for a treatment =ystem, .... Response: EPA has analyzed the data 413.12 [Reservedl 

wtiereas N~MF believes that an 8-12 submitted by Plant No. 1108 and ha8 413.14 Pretreatmenlt Jtand~rds for ex~L~ 

m

year'life is more realistic. /:on cluded that it is unnecessary to 80urces. ...................... 

t 

~:-==-..:~....-..: ~ ... ~ ,'-:::~.~ ~..~:_- ~...~..~: :~; :~.~:'-'=~,~----:. r ~ ..... ~ ~.::.~'~ ~--.~.: .... ~ --. 
,*':"it" " ">2:=" ,., 

'~-: "~;: "%,~"~_'~_ ~~~,~Jl:addoua~:"""~n~'--~r ~o --'~ . operallons-necesSm--yfor nian--ufactu_~ of " 

.,. Metals~ ' .... " " electroplatlng Which are specifically a product at a single physical b)cation 

~13.20 . ~tppti(',~b/~ty: Descr/ption ~f.the. excepted from coverage oft.his Par{ and has significant quantities of process 

electroplatin 8 of precious mqtals " include: (11 Electrowinning and wastewater from nomelectroplatin8 

subcate~ory. electrorefining'conducted.asa part of manufacturing operations, in addition. 

413.21 Specialized definitions. nonferrous metal smelting and ~fining to qualibj as an "integrated facility" one • .413.22 [Reserved ] 

413.24 _Pretreatment standards for e x/st/ng (40 CFR 421)~ (2) Metal suff~ce or more plant electroplating process 

preparation and conversion coating ' ~wastewa[er lines must be combined 

conducted as a part of cdtl coa "ring (.4o --:~prlor~to or. at~epomt of-treatme~t-(~ 

.Sub of CFR 465); (3) Metalsurface preparation proposed treatment} with one or. more m,t, ,sut te0ory [Ruerved] ~nd immersion plating or eLectroless" plant sewers.carrying process~ ', . .. • 

p ,, 

s.axategory ..... plating conducted as a part of porcelain wa'stewater from non-electroplating 

4~3.44f ~pplicability; Descaiptionot the enameling (40 CFR 4~); and (4) manufacturing operations. 

ar~odizing.snb~tegorY ' . . electrodeposition of active electrode " ~ed.l " " 

4~3.41 Specialized definitions. -" "".. -.' " ' materials, elec~oimpregna~on.'and ,- . § 413.03 

4i3.42 .[Reserved] ." i. . , ~,' " " " - electroforming.conducted a~ a part-of ,.. . '~ ~o¢ h~te~ 

413.44 Pretreatment atandards.for exi~t4n8 " ""battery manufacturing (40 CFR 401:}. " .. " ...... 

sburces. {c) Meta~lid platemaking emd gravure " . ' . . ,~ . . ...... ~ .... • Pretreatment standards for integrated cyimaer preparauon conouctea w]mm . . ¢o,,;m:~o,; o~,ou ~,o ,.,,;,,,,,,~oJ o. ,,~,,,,;,,~,~ SUbpar~ E .--.~,oaungs Sub~tegory - printing and p~b[ishin 8 facihties, and b 403 e o EPA's General 413.50 :Applicability:. !)escripti0n af the ...... y.§- ,6( ) f- _ . • ,... 

coatings"subcategory. : " , - , o'" "." continuous strip electroplating Pretreatment Regulations, In cases. " - . . '. : • conducted within iron and steel ~13:51 Sp eclalized definiti,ons. manufactiiring.~cflfties wh/c~intl'~duce whereelec~plating process .- 413:52 [Reserved] - " " • , , wastewate~ are combined.with ~ 413.54 Pretreatment,standards for existtn~ pollutants into a publicly owned - r,,mdm~_d wastewater~ Which have 30 "-' •treatment works areexempted tro~m the. ~ • • - pretreatment standa~s,forexisttn8 days average standards, the "" 80Ul"ces. -'" 

• Subpa~t F-.=Chemk:al IEtchi~g ~ Miffing ... corresponding 30 day average st~ard sources set foi-th~ this Part. o ~ .: - . for the electroplating wa~ew~teiz must 

4!3;60 Applicability:I)escription of the .§413.~ O~mml ~ , o be.~sed. The 3~fddy avei'~e ~ be . 

•" "chemical etchi~ and milling ., In addition to the definitions set forth- determined for pollutants in the relevant 

• " subcategory. ' " " " in 40CS'R 401 and-the Chemical analvs/s . subcategoi'y from the Corresponding 

413.61 Speaalized definitions. " - m,thorl~ setfnrth in 40 f:FR 1.qa- bnth~f" daily and.4 day average values• listed m = - " -413 6Z--~-~tve~d ................................................. " . . . . ". . . . . . . . . . . '-- . . t~Se~o'~,,; ,,;,,,~,,~o r .... ;,,,,,, ~_.. w~hieh areincorporated herein by..~ • ~e table b,~_: W. . _ . " ".-~ --

"'"so, "-'~"T"~ ..... "~" .... '"~-'~ "reference, the ~ollowing deRRitioffs - - ~ - - o ~.~t,,,~o. " . .. - • • '. • " • jltndok., ~ 

........... -......... " ~- " ........ . .......: ..... .- --=..- - . .... -- ,app I ~o " ~ s "~art:--. ~ • " ...................................................... .. -. -:. . . . . . . ( day : So day 

- _ Subpart~Platln~-:, - . :. - " (a),The;term "CN;h2',shallmean ~t~ax.~:~, .M~e,, 

.~ -~Subcate~ "" ' - :. • -. cyanide amenable to chlorination-as: • " " " - .-

" ,123.70 Applicability:. Descrip_~onofthe .-... • define'dby-4OCFR 136; . - • " ' ' o.8 ....... :.............--.~_:.~-__ 0.4 - o.s 

" - 413.71: Specialized definitions, .......- .....-,-~aniA~-owt-,1 ............ •............. ~.~:.--a~----..... ~ ..~ " 

• ~- ----~. 13.Z4-:. PretreatmenJt standards for exmting " " fc~ "r~term "Cr vP, ohm" mean 4.~. • zs ~.e- . o.b,,~,, ~ • - ................... .-. . ~ •.,~,. ....... • 4~ ....._.~.'-.................. zs ~.e 

• . °. "~"=" ~ . . ~ ' - . hexavalent chromium.. ' • "- ,.s .... _____. z7 .~ s.0 ................... .~ ............ ~' 7 1.s . 

: , Subpart H--d~nt~l Clr~it Board {d) The term "electroplating process 7.0 .......... -L..:..~. .......... 4 2.s 

wastewater'.' shall.mean process 10.5 .......... ,. .................. 6.8 5 

20 0~ ............................... ~ 13.4 10 . "" " • -:-'~-'IR~d~l Ann|i~qhilit~'_" r]#~r~infinn nf th~ .... W~f~'~t~_--~~rr~ nne~#atlnn~. 

:: Subcategory. " .. . . - -

-=.. : .... p~rinte~c~.~t-b~m~d-~b'category,.--.,.~ ' .... ~:Wl/i~.~subj~T6-re~l~ti6n-under .--- 47 2~.=:..~=.:.LL-.-,.L;'.:~.....~.: ........ ..L -:" 

53 .................... 98.- 27- • - 413.Sl Specialized dpfinitions. ; any of subpaf'ls A through H of this Part. 74 ..... ~ ~qO 21 

• - 413,84 Pretreatment.dtandards for existing (e} The term "total•metal" is defined 107 ................................... 65 • 45 

sources. as the sum of the concentration or mass 169 ....~ ..................... ~ ........ ~ ..... .~_ 89 49 

Authority:. Secs. 301, 304[8), 307, 308, 309, of Copper. (Cu); Nickel (Ni),. Chromium 160 ....................................... 100 79 154 .................................... 102- 70 

402,4OS, 501{a} of the Clean Water ACt, as. " (Cr)(t0tal)'and'Zine.(Zn}, " " 176 .................................... ,. ............. 105 70 

--amended-(33U.S.C-§-~13.~1,1314,{g}, 131~,.. : {f) The term_L'strong chelating agents" 273 ........... 158 98 

....... 160 1318, 1319, 1322, 1325, and 1341{a)}. ~,5 ...... ........... ..., .... 229 

is defined as all compounds which, by 374... 232 160 

General Pro, visions virtue of their ~hemical structure and 401 ................................................. 241 180 

410.: ...................................... 26Z 195 

amount present, form'soluM~netal " " 623 .................................................. 257 223 §413.01. ApplicabilIty;_L. ' 935 .................................................~..;....... 609 445 Complexes which are not removed by 

{a} This Part shall apply to subsequent metals control techniques 

•electroplating operations in~rldch metal " such as pH adjustment followed byis .electroplated.on any basis material • clarification or filtration.. " .... 413-0s [R.erv I 

and to related metal fmishi~ operations {g) The term "control authority" is.- 

• as set forthin the various subparts, defined as the POTW if it has an Me'ta,s s,b ,te ory , " whether'suchoperations are conducted approved pretreatment program; in the !' 

in conjunction with electroplating, absence of such a program, the NPDES : §413-10 Appncabaey:. ~ of the 

independently Or part of some other. : State if'it has an approved pretreatment etectroplating of common metals 

operation. The compliance deadline for program or EPA if the State does not subcategory. " 

integrated facilities shall be 3 year.s from have an approvedprogram.,." The provisions of this subpart •apply 

the effective date of 40 CFR 403.6{e}. The. (h) "['he term "integrated facflRy': is.. to.dischargers of polliltants in process 

compliance deadline for non-integrate d defined as a facility that performs 

facilities shall be May 12, 1983.• elec~oplating" as only one of several 

I" 

i 
• .~:~'; ; . : . ,, .. ,' ., . .~ • . ~ ,,, 

. . . . . 

, . . . . . . . . . . .... -: .--,. ...: .--..: ."... . . 

•- ' a,,m ./VoL / ].nua, ! g e8 ,.a geN.aon, .

;. . -" - - ~ ~ .~..... a.' ' " "T ........ , ..... ~'e~'~'lf r . . . . . . . . . . " -v--.. - 77 ~:-,.~ .--::,:::~:.,. . - , - : . -- ~ .. ,--- ..- . . ,.. . . .. 

~ wastewatersresulttngfrom:the process ~ / L ~ ~tetgs ~ /~-. ~ A . ~ ' ~ F ~ C~-

" in"wlflr~h a ferrous or nonfeyrousbasis ~ 3K .o~. Ute~ ~. Mo~ Pof:./~/ .i.l~m~ 381000 ~ or Mo~ Per 

material is electroplated with copper, ' PSES/_hrgM~bns (mg//)--Contint,~ PSES L/m/tat/or~ (,,ng/~ , 

nickel, chromium, zinc, tin, lead, ~ "~ - " ~ .~ " 

•" cadmhma, imn,'a]t~oinum, or any . . ...."... .- -: A,,,m~ : ." - " . - ' ~ • 

• .. c0mbm.ationthereof-.. • • " • " .... '-..- . .. ~ .. " " pa~mtor~t , • ~,~,xm~ . • ~ "."P"r" ~,m~,~. • mm,,~ - ~ 4 ~

.. ": .'. '. -... " ."."- . ;.. " o '. "" .---" "property " - '~,/.Iday . ~ ~ .'p~p~,*y - " my,~(l~ - m 

" ." §41&11". " " -defln ...... " . "" "'. ,. _. ""='-:-:~ __ _2 ..... :..~.. ',..~-:.~... . ".-X ''~ 

..... - . . . . . . . 

• .. • a • .A I • . II 'it Ii - : ' , . . . . , - . - , . 

~,._~__._~ .( )TIieterm .sqm -[ sqfl ]shall ~, ~:~Nr ................... :.:__. ............. " 4.1 Zs TSS ............ _'....: .............. .~0 - ~4 -

mean the area plated expressed in .. c~ ........................... : .......... 7.o 4.o p~ ...............: ......... . , - ,

~' ' g ~ • ; ",,- .,r - Zn,.: ............. '............. ' 4,2 - ' 2.4 .... ; . " . ~ . . . . 

....-:::--... ~-ml ~ _e~'s4~,q~:-7------:- ~:-:~:~.,..:_-=:....~::;::= ....... ".6 ........... "-:" '::4 ""----"-'-',:~d,.~-~.~ ~£.72"?~: : .^ ^ ~ " " ..... 

:-: : -w~-la- a meiai is e|ecii:~l-e-posit-ed ~'na ....... "- ............... ~b~-~ti~"of IW~otm 

• b~'sis r, aterial, and wRich" is follo~ved by " (d) "Alternatively,.the follow~ mass- .Met4d~: E~ube.etegory . ,. 

. --.. arinse; this incl~iles'.the i'elated. " "° " based standarils are equivalent to'and . " 

- operations of;ilka~e cleaning; acid ...... may be applied in pla~e ~f those .... .§ 41s.~t 

.... pickle, stripping, and colo~ng when limitations specified under paragraph (c) .~0xO~. uno of pr.¢~= m~m • r'. • - o " :

egch operation m ~ollowed by a rinse. , of this section upon prioi a~reem.e~t :. ~m0ory. -

.between. e~ soui'ce subject to th~se. Ttie pz~visions ef'thts subpart apply ~4~s.~2 iaes~rveu] ........ •stand~--rd,s- and thepublicly owne.d to disb_.h.arges of process wastewaters 

§ 41"&14 IWelrutment standarda for treatmentwd~kareceivlngsuch. " resulting f~0. m ~e process in which a ; 

existing so~m~h . . -regulated w~te"s: ° " ferrous or fionferrous basis material is 

- Except'a.s provided-in 40 CFR~I03.7, . .. ..... ~ plated with gold, silver, iridium, 

and ~ CIFR 403.!3,any existing source. Sttbpl~t-A.~" Me~/s Faog~e~ palladium, platinum..rhodium, ruthenhm, . • ° subjeC'tto rids-subl~a,t Which introduces...:, ctw~ "38,000 ~ ~" More Pc" /~. • or.~any combination of these." -

polltttan~int0" a publicly owned •~SES ~ (mg/sq m.~)... 

•. ~treatment works, must. comply with 40 

- CFR Part ~-and this subpart shah " " . . . . . For the purlS- colthis subpart:

a~tsment the use ofprocess wastewater = ~ "~"~ ~ .w,~,, (a}The~te~m%q ~'"("sqlr} sb.tl 

" or otherwise dilute the wastewater as a ~,~ ~ .~a., ,,-,~r . . . . . - , --. ' ~d n~- mean the area t)lated ex~.in partial-or total substitute for adbquate square metel's {square feet}. . treatment to achieved oompliance with ca, v._:.~.. ".... " : "74 

these standards. ' o=.,...~ ....... _=.~.. ,m "106-

s~ {b) The tm'm "operation" Shah mean 

: {b} For a-som'ce dlschar~; less than m ...... . ~ = ~ . teo. Im any step in the elq~troplatin8 process in 

.... ..... 

ca .................... ~ =9 . a rinse: this include8 the rented ....... wastewatef the follow~ag-limttati0nS - • 

--z~.,.:.._. L. / 41o' =ez, operations ~.iiIkaline cleunin~ acid 

shall apply: . . . . 

" " - pickle, stripping, and coloring when 

~ ~ ~tats F~/~s D~-. {e} For wastewater sources regulated each'operation is followed.by a rinse. : ~ LossTtmn ,78,000. .L#ers P~" Day ." under-parasraph.{c} of this sdctioru the 

PSES Lim~tiOns (mg//) _ - following optional control program may § 41~22 • [Reserved]

be-elected by the source introducffig 

. : " " . - Avy~o~. traatod,. ........ to.,o~o. ;,,,,, ;~ " • § 413.24 ~ ~ for " ", 

........ . "~.' .Po~._~ .. - .. ........ ~..~ . ...... oor~=~i~.-~-g~cJ~.o,~.¢.do!z~.a-~tme!R,w-orks u fl ................. - .... -.with .................... ~ - ................ . :..-: . ...... . .... . 

• ~,o~ ~ ~ a~ moato~. the concurrence of the control authority. I, Except as prowded in 40 CF'R § 403.7 , 

- ... . days~,~ These op~onal pollutant parameters are "" and § 403.13, any existing source subject 

• not eligible for allowance for removal to this subpart which introduces 

ON. A...: .......:................ ." S.O Z7 achievedrby the pul~licly owned pollutants into a publicly owned I:~ ................... ~ . . . . . . . 6 .4 

ca:.,= ........... : ....... ., -~ ...7 treatment works under 40 CFR 403.7, In treatment works must comply with 40 

• • theabsence-of-strong:.~e!ating=agents,.____CERPart:~dachieve ttm~ollowing- " 

:~~=":' " " - ...... ai~r reduction0fhe:~avalent chromium pretreatmen"~ standards for existing {c} Forplants discharging 38,000 liters wastes, and after neutralization using .. sources fPSES]: 

(10,000 gal} or more per calendar day of 

electroplating process wastewater the calcium oxide .{or hydroxide] the ..... " [a] No user introdiicing.wastewater 

following limitations, shall apply: following limitati9ns shall apply: ' pollutants irito a publicly owned-. 

SUbpart A:.~Comrnon Metals Fa~'Ut~s Dis- treatment works finder the_provisions of Subpart /L.--Common Metals Facilities Dis. c0srg~ 38,000 L/tots or Moro" Per Day this subpart shall augment the use of charging 38,000 Liters or More Per.~ay PSES Limitations (mgll) process wastewater or otherwise dilute PSES LimitaUons (mg//) the wastewater as a partial or total • - Average ot •s ubstitute for.adequa-t-d-~gt~nt to .~ . . . Averageo~ 

u~f vaJues -,,%-4 achieve complianc~ with this standard. Pollutant or po~utant Maximum .for ¢octsecuth~ 

Po~.c~J'~t or poautant Maximum for ' for 4 ¢0nsecutive . (b} For a source discharging less than property-.. ,;" any-1 clay nlo~tor~g 

days sZtalt not exceed - 38,000 liters {10,000 gal) per calendar • exceed day of electroplating process CN, T.,....,:...,..~...L..:................ 

~.~ to wastewater the following limitations C~4, T.' ........... : ................. 1'.9 "1.0 Pb ........................................... .6 .4 

C,u .................................... 4.5 2.7 C4~ .......................................... . .... ._ _~:_2......... ,T~ _s. h_a II. _a pp,]y___:........................ 
~=:<- . 

~ .... :'. ....... I - - " I II I |1 ' II ...... 

.... i" '~almrt:L~ ~ :Fz~'W~*-D~. .achieved by the [)u-b-IIcly owned" - @hstewater the following limitations 

• • ~ Less ~ ~,000/Jte~a Per/:~y treatment'works under40 CFR 403.7. In shall apply: 

• P..~ES~'(n~/D. " . the absence of strong chelallng agents, = O J~Fac~ r~'~='~'~ 

• . " ~ ~ ~ Ma~m~ ~x '~" calcium oxide {or hydroxide} the -~= /.~ta#ons ~n~/n , 

p,~/. ,ny, day ~ -[bllowing.limitatlons shall apply: < : ~ .a • . .- " . daya~not. " "" • • -" - "° " " dmW~k~m 

-" ~, . ." ~ ~" ' :. ......... . -~." . - " . . . ," exceed . ................. , ~ ....... B . ........ ~ " .............. ~ "~" ; . ~. . . ~ . Poakatant . . or . po0katant . " I.JUlnmm k~': " ~k~o~" 4~_ " .

~ ............................. : ...s . .~-- PSESI.~Ita~W# C~-IT~ - -. ~cl .......... ~ - - 1.2 ' .7 ' • " " 

-.:.,..at" ". . " .. '" A ~ . CN. A .................. -~. S J} 2,7 

{c) F0_rpla.nts dischargh~ 38,.000~ters . , Poltutant~orpo~eltant Maxlmumfor da~4 Pb;. ................. ;... " 0.6 0.4 

• {10,000 gal} or more per calencl~, day of " ~ . ~ I da~ ~ c,d..................................... , I~ c~7 

.... electr0plating process wastewater the " " ~noi " - following limitations shall apply: ~ - exc~d {C) For plants discharging 38,000 I/ters 

• 'Subpart : I~--Prec/ous Meta/s FacihZ/es 'D/~ -CN, T....:..: ............. ~ - 1.S ~.0 (10,000 gal} or more per calendar day of •- P~_.. ' '~. " ~s ." .4 . electroplating pro6eM wastewater the " 

. ~ir~ ss, ooo ~ or Morn i:'~r.l~, co TSS ................................... ..... .,___~._,~. ~0.0, 1.2 : I.~.4 "~ - following ltmitationsshMl apply: 

. PSES Limit~s (m~//) ' . . . . - .... - . . 

... • . ,.; ~___~u~; ,w,ht,~,,ms,~io£~c~ . 88,000UtersorMomPe~DayPSESL~n~a-

• " . . . . ' - • ~dns.Ctr~ .. - - po~u~a~ o~ pollutant" " Ma.,dmum fo~ 0oo~ ' " ~- ........ 

.. prme~ .'en~ ~ d~f ;. mo~to~ Subpart C--ElectroplaUng of Speciality . " 

. = . 

• '-: ' ~ o, po,,~,~ u,~,,~ kx 

" o ..................................:.... o., sub rt su , o y T .............. L .......... "~. " " ' 1.9 1.0 " " " 

cu ................... _;._. ..... . 4~. - 2x § 413.40 AppliCabllity~. Oel~dpUon of the .... " I~ .: .............. ~..: ......... .;.__.~j. 4.1 2.S . 

o ......................... 7,o 4.0 amxi~lng auboategory. c,.~..:. ........... ..'_' ..... 1.~ . 1.0 

zn ...........,.......... - 4.~ ze The provisions of tl'ds subpart apply t) cu .... 4~ - z7 • ,~. P'o....: ............... - .......... ' .6 ".4 .-. -Ni " 4.1 . 

Cd ....................... ~Z .Z to discharges of process wastewat~ . zn .... : ....... ~:..-'.~_::_.L.. 4~ -~ 

vo~ me~S:..= ........... ~_. . )o.s u __resulti~ from the ano "dizinsof ferrous " cr....:_ ..... ~ ....... 7.0 ....4.0

•-~ • • or nonferrous mete_.~_.a!s~ .~o....... :......... .:_ 0z c~4 

,...~,~ _{d} A]te rely, the:.foll~ mass:-:--:: "-- . . . . -:- . - . ~- ~F. TotadmetaJ~.....~ . . . . ........ ,,...-. : o ~o.s~°-- ---:--:-0~L----~

based standards are equivalent to and ~ 413.41 -~16qalR, ed ~ - - . . .. _ _. ...... : ........ :......... : _.......~--

-:~ ~. -=:=may ap--a-~ry'i~pld~-bf:~0-s~{a_-~o~ " -Fdi~ the purpdsd0f t~Ik su]6parfi. (d} Alterni~tivel~,.the followin~ mass- " ~ .sPec/fiedunder]~__agra_Rp_h_(.cjOftl~_'s . , (a} The term "sq m" {"sg_ ~t'_~)_sh_all .... 

=--- " ~e~fi0-n upon pri0r agreement between a '- ~me~the di~-pliite-d~exp-~-~-din~ ..... ~bese~~are-eqo/v~,~i to --d ~ -:- • • - may apply in plac e of those limitations :. Source subjectt0 these standards and • square meters {square feet}. : . .speci~ed under paragraph [c].of this 

" the publicly-0wned~reatment works. - [b} The term "0pera.tion".._shall mean receiving suchregulated wastes: ......... any step-m-th-e~a-n~ process~m: .... sect/on upon prior agreement between a . . . . - source subject to .thesestandards and • : ' • ., ~ - • whJchametalisclean~d, anodized, or . . :: Subpart B.--Prec./ous Metals Fac~Trties Dis- col0redwhen each such ste,~ is followed the p.ubhcly ownea treatment wprk~ -

..:. :.- MO o .... .... 

.......... _ PSE.SUi-nnaU~s-Cmo~sqm-Operao~) . . . . . . . . . . . . ~.,,,.,..~ ,~ :,~ =...,,, -,.~,.._,.;. 

• " - ~41&42 [Fh~rved]" ~--v--.--.--~ ....... v , , , ~ 

.. ^,~g,~ ~,O00/~'~or~Pe't:~IW~ -

• . - mo.~ ~ Except..as pmviBed in 40 CFR 403.7 

exc~s • and 403:13, any ~dstin~ s0ur~,e subject.~ .po~ o~ po,~ ~ ~ 

....... Ag ...................... 47 ~O "to this subpart which introdUces - p,o~ty . am~ ~ ~y mo~ 

ON. T ....................... " .... --~ .......... ~ - po]:lut~nts-into-a-publiclyowned H days sham r~ ...... ~ ..... ::--.-~¢~d ..... -.'"_ 

.. c~'. ................................. : ....... " I~ ~os treatment works must comply with 40 :L ~~" . ~, .............................. : .............. ~o ~oo o ........ -....... ZT~ 1~ C'I~ Part 403 and achieve the foUowi~, cN. T.................... :......; . " 74 ~1~ .... " . . . . . . . . . . • Co ...;.~ .................. -~ 176 "": 105 

z~ ............ -. ....................... .1~ . -~oz pretreatment standards for existing P'O ..: ............. ~.. .... .--- " 23 16 . M ............................ . ...... 180" 100 

Cd .................... :. ..... 47. S ...aources [PS~..S}, ~ :~.. ~-.... ~t .............. :..._.:..: ........ ~ I~ 

Total ~ ............... 410 ~ " {a} No user introducing wastewater z~ ..................................... 1~ 1~ • ' . Pb~_ 23 16 

pollutants into a publiqly-owned c~ .............. . ...... ~ - ~7 

{e) For wastewater sources, regulated ~reatment works Under' the provisiens of Total ~ ..................... 410 '. L>67 

unde~r paragraph {c}~of this section,'the ~s subpart shall at~gment the use of ... 

following optional.control program may . process wastewater or otherwise dilute (e} For wastewater sources regulated 

: be elected by~e source introdueing. " the wastewater as a partial or total " under paragraph (c} of this section, the. 

treated process wastewate'r into a ' ~ substitute for adequate treatmentto following optional control program may 

publicly Owned treatrnent~works with "achie~,e compliance withtills standard, be elected by the source introducing 

•the concurrence of the~control authority. ' {b} For a source discharging less than ' treated process wastewatar into a 

These optional lX~llutant parameters are 38,000 liters {~0,000 gal) per calendar publicly owned treatment works with 

° " not elig/ble for allowance for removal day of electroplating process the concurrence of the control authOHty. 

2 ' ' 

,.. ; . . . , 
.o 

,++." +.y . . :... .,. ...: +. , ..../,, . ... . ..+ ,,,, 

• ! ~. . :.. .++. • . .. +_.+;:~+~.-+==:- ..... .. . . •. . . =-::-~:?,~::,,~.~r,~,~:~:.,_+~==:.~,.._::~ -. ,. . .. .. . • ... • . •

•,\ ,+~.-,.¢.+ ~.. .-' . : 

+~---+:: :-=;+-:* +... .'+). F~leml Register--/Voi.-46, No,. 18:::1 We~esday, Januamj 21~ ,ioBtj/ Rules aml Regulations 9471 

: ~se0pfioff/KpblliitafR pafa-ffieterdare ::~}'F0ra d0ur~e discharging less than '-treated process wastewater-into a 

hoteligible for-allowance for r~moval- o38,00Oliters{10,000 gal) per calendar •.publiclyowned treatfnent works with 

achieved by the p~iblicly Owned ~ . day'of el~itroDlating process the concurrence of the control authority. ..~ 

treatment works under" 40 CFR 403.7. In , wastewaterthe following limitations These optional pollutant parameters are 

• : the absence of:strong chelating agents, shall apply: . • -not eligible for allowance for removal 

..+ after reduction of hexavalentchromium ' . _ . . = ~. .: . _. ....... achieved by the publicly owned + . " 

" 'calcir'+'~--urn `oxide (or hydroxide)the ~ .Less+..Th~ .~,~:Urers +Per Day PSES theabsence of strong chelating agents, " 

'i followingl.i~ltations-shallapply: ,i+~ ,~ bb#~ns.(~/I).- +.'.- ' " after reduction of hexavalent chromium 

+ + : .: --. .... . : -~ . 'i ..• • " " + '" " " " - ' . . . -wastes, and-after neutralization using .. ; - Subl~rt D.--Anodi~'nff F,~iliti~. :Disch~r~ing ! . ". • " ~r~v~ calcimmoxiti~=for+bvdroxidelthe--- +==-. ........... 

: . . . . : . ~ ~ ~..+.~+:.+~~., .... .++,,,,.+-~ + , ~ 't ~ .~ . . . . . . . . -, . . . . . , + . . , 

......... • - . ........ - . . .... -... . . . . .-da,t~ ,.~ ...... Si,d~mrt F_--Coa~s F,s,m~ • " Ave~go o~ ' ' " ' "+"~ " " ' - ' - ...... . . . . . . . . .--:---- "..~.;.-- :.:--.. 380001.itersorMorePerDayPSESLimita- • :.. " - - . ~ vmu~ \ + . . ". . • ..." . /,- . 

P~0tlu~orpoAut~i Msxk~#o¢ "_~1~__.4 ... CN, A._.~.-...--~.,: ..... ~ ' - 5.0 -. - " 2.7 "--.4~?~I+.T~ I) . <+ .,'- * . " 

" . • ~mmm~mr, m - ~ ..... , ........... :...~. ...... .~;.. + 0~" '.' . 0.4 " . . . . . " " 

. ~ .... al~Idl~'.. " ~"m°flK~M~flo ~" ' Cd ...... .+_ .......... .+. .......... :,,, ~x" 1~ 0.7 . .-" / A~lllO~'ol . . . . 

• • o0<0oo~ . ., . : . : -

,: CN,T-.~-..~ ....... --.." ....... ,.9 ~ " ;.o (c) F6r phLnts discJlarging +8,000 litem +' any+ ~ oo,~c~ ". . PO ........ .'...~ ........ " 0.6 04 ' {i0,000.gal):o~ more per calendar day of ..- -. ~ sha* not 

• " " Cd ........... .+,.._.._...; ....... 1.2"#. efllK~ed. + •' 

.0.7 electropla'ting proce~swastewater the ~*-"!"-T~....,_...-- ...... ~.. - ~.o 13.4 . , ' "

+ CN, ...................... : .pH..--..__~. ......... --+ .. p) +" + ¢') followinglimitations shaH. app!y: " T 1.g 1.0. 

0.6 

• + wm~n um r~0~:z:s m !o.ooo ,•+. .. 1.2. "0.7 

• ~,O00+/Jters or.More Per Day PSES Um#~"~ ,~ ...................... o ,: 20.0 

P) 13.4 P). 

Subpart E-~,,oa. + tin.gsSub<mteoory . . ., ., " ' WRhln the range 7.5 to 10.0 .! 

41zso &mmmm. m..mpmm o# the ...... + . . . . Subpart F--Chen~ etching4md 

The provisions of this .subpart apply 

to discharges resulting f~om the • .. ..... da~ emm no, . 

exceed 

: chromating, phosphating o~ immersion § 413.so ~ D~m~kmof th, 

plating on ferrous.or nonfer~us '~ • CN.T.;................................. . • 1.9 . 1.0 

materials. Cu ..__ - .-=_-.~ ..... "4.5 "2.7 The provisions of this Subpar~ apply 

• ..,~. s ,+.~ zs to discharges of process wastewaters " . .... .-' • .C~ .............................. 7.0 • 4.0 . . . . . .

§ 413.51 ~lized deflnitiOrlm... ~ .......... ~,-+. .~_,._~++ ~_~__ ~s result'rag_fro.m the che~'~ 

~ " ~ - - ' ~ ~ ~ i ~ ~ ~ ; - - : - ~ ~ ...... ..~+~. ~ ~ e e.rmus ...... +-.-.~r - . . . . . . r+---~ ........... C<I.~,:"" ~ " - "+. - " ";I.2" :'~" " n7 " " ~ " 

(a) The term "sq m" ("sq ft') shall ======================== -' ~o.5 ' ;:s matenam'" -

mean-th-e area=processed expi~ssedin • ........ :T- ~ "~ ;. ,. § 413.61 Spe~lallzed deflnfllonL ,~ 

square meters (square feet}. . Fc, r tL-'-pu,~,ose of t~s ,ubpart: . (b) Th e term "operation'.! shall mean (d) Alfernatively; the-~llow/ng-massan te in th Coa'" rocess in which based standards are•equivalent toand . •" {a) The term "sq m" ("sq. ft."} shall. 

ly s. p....e,¢ a u~ p. .... • may apply in,place of those limitations mean the area exposed to process a oasis matenaJ surmca 18 a'cteu upon " :,:~ , ,.. ,.,. specmea unaer paragrapn tcJ oz ~ms chemicals expressed in square meters. 

: • by a process.solution and which is "- " • .. . ., folloWea" by a rinse; plus the relates" , secnon.upon.., prior., agreement, oet'ween a (square feet). + -. . -. 

• ,,.o~o.~,~.o ~r on.M~.o ~o.;+.;, o,.+a " -- source sub~ct to these standards and • {b} ~'he term "opera~on" ~hall mean 

is followed by a rinse, recej +vhtg such regulated wastes: etching processes in which metal is 

chemically or electrochemically 

§4i3,52 [Reserved] Subpart e.--CoaUngS Facfli#es Discharging removed from the work piece and wliich 

38,000 l./tets or More.Per Day PSES L/mi~- id followed by a rinse;, this includes 

§ 413.54 Pretreatment standards for fions (mg/sq m-operation) related metal cleaning operations Which+ - 7-

.......... exmU0._gn .:.;. ". ; -. : - p_receded chemi'_~cal ~_~Orr,~et~ ..... ~" 

Except as provided in--40~FR ~03--~ ...... ....... i~-. ~++ ....... --~#~- ~ v~ ....... -:-w~n- ...... ead~tion- ;~=-"- + "t s ~ ~-~- ..... -

and 403.13, any existing source subject .. P~tu=m of po,utanz ~ Ma~m~x ~ rinse :, . . ; 

to this subpart which intrb.d_uces " property +any I day ~'~not § 41;3.62 [Reserved] --- " 

pollutants into a publicly owned . exceed 

treatment works must comply with 40 § 413.64 I~'etreatment standards for 

CFR Part 403 and achieve the following c~, T..I ....................... i ............ 74 ~ existing sources. Cu:.~..L ..................................... 176 • 105 

pretreatment standards for existing . leo ~0o Except as provided in 40 CFR § 403.7 

•sources (PSES): Car ......................................... 27a +~ and § ~,03.13, any existing source subjeoi Zn ................................ ~ ...... " :(a} No-us,e.r introducing wastewater ' ~ ............... ~...~..L .............. le4 lo2 -is-this subpart which introduces •- ~ 23 16 

pollutants into_a publicly owned C4~ .................................. 47 29 -pollutants into a~Ubli~ ..... =-:-

" treatment w~rks unde~ -the.provisfon~ of TOla/metals... ..................... 4~o ~ - treatment-works must comply wRh ~t0 / " e 

this subpart shall, augment the use of . . . . CFR Part 403and achieve the following 

prooess wastewater or otherwise dilute :;~. {e} For wastewater s'ourc-~s regulate~l + pretreatment standards for ex'~sting 

•the wastewa'ter as.a partial or total ; , under paragraph {c} .of this se~ion, the . sources {PSES): .... " 

": substitute for adeqnate treatment to fellowi=~ optional Oor~rol program may (a) No User: ~Iroducing wastewater 

*achi_eve_comp~wi_th_._~_'_s~s_tandar_~-..-be:ele~ed_hy.4he-soviee_k~trodge~g .......... pollu lants,i.~ly-owaed 4res~.~-~t 
,~..'~;.~= . . . . . . . . . _ - . ..... :.-. ,. -::->.-, , . . ,, 

~: • , ,.: . ., 

~,..--

~' ~)J.,~ •. Federal Rogist~ /Vol. 40, N0.i8 / Wednesday, January 2&.1981 /-Rules and Regulations 

:;::- works und~ the provisions-of this. - .Sul~rt ~..~ E~)~)g a~ A#J~g by a rinse;, thls-lncludeo the related 

L Shbpart ~mll augment the .~me of process Fac/#tes ~ ~,000/.#e-a or Adore " operations of alkaline deanin& acid 

:~.~~-or tmsd .......... .,.-- a~~.- ,.-. ...... , ...... - - up~tiu,,~,~-:~-.~e~ "~ .... 

~:. J substitute for adequate~eatment to . = " ~ " ' - - " . . 

~" ~J. achieve com..lian ,:~ --4L"~is standard. - " " ' ' "' ' . • ^,.~ o~ Y § 4J3.74 ~'etrestrrm~ ~ for 

•i.. ( ""~}'.For., .~'~~-less than " ~ of ~ " ~ ' ~ .... x ~ IOUr~)L . 

:. " ~ 38,000 liters (10,000.gal;) I~calendar .-. t~o~,~ . i ,~y ~ d~ : mo~x~ Except as prowded in 40 CFR § 403.7 .... 

" day of electroplatingproC~ ' . . : . . ~,~ot. and § 403.13, any existip.g source subject 

shall apply: . ' .- .~ ~--: ::_..--" ca.~..:..-.;;....'.:;......~_...-...._; 47 29 ~ pollutants into a publicly ob~ned 

- . . • ,-.' . .. . . . . . ". vo~rn(sa~ ........ :...... :._. " . 4~o - ' ~sz treat~nent works must comply with 40 

Sublmrt F.--CJ~m/ca/ Etching and Milllng ...... ,...~. " CFR Part 403 and achieve the following 

• . Fad/i~ "~.LessThan 38,000/.i. _(e)For wast~wa:ter sources regulated, pretreatment standards for existin 8 

.,L re3 Per Day RSF_~S Um/tat/or~s (rag//) • ' • und'er paragrap'~ (c) 0fthis section, the - sources (PSES}: ' ' 

A~ of following optional control program may " (a) No User introducing wastewater 

:: • - d=~,= " be elected by the source introducing poI!utan.ts into publicly owned treatment 

r~umt... ~.or po~ta.t u~m.~ ~'~y -f~x con=zts~, treated.process wastewater intd a works under the provisions of this 

...... .. mo~. publicly owr~ctitreatment works.with ~ubp~rt shall augmeht the use-of process. 

.... ~ : the concurrence of the con.trol authori~, wastewater or otherwise dilute the " •. 

" ' ' ' - " - '13aes--Kd~ tional- It-uthnt: ameters-are__: wast.~water as a partial or total .,- "- ~ '" 

c~, ^~. ......... :..._ ............... • s.o z) • p po par . -. . Pb. ......... :.......: ........... : ":; " • ~ot digiblefor (dlo.wance for retnoval substitute for adequate treatment to -:- 

• - ca ...........: ........ . ....... :=i'-.- ' o,~ ~.z '. ~r o.4 addeved ' . . by . the.publicly . dw~ed, . - ' achieve co/nptiance with this standard, -:--

• :, . ............. z ,~,trea..t~nentworks__under 40 CFR-403.7; In {b) ,For a Source dis cl~arging less the.. ~ 

- ': (c) For plants disc!mrging 38,000 liters the abse~-ce of strong chelating agents,. 38,000 liters [I0,000 gal;J per calendar 

" {I0,000 ~al.) 0r more per c~lendar day of a~ter:reducfi0nJof hexavalent chromium day of electroplating process " • 

• .: electr0plating l~rocess'wastewater ~e • -wastes, an~ after neutralization using wastewater the.foHowi~•Umi~fJons • shal!apply: • , ....... -f011owing.limitationsshall'apply: calcium 0~de {or hydroxide) the " 

-" . .. - . - - . following,limitations shall apply: ' Sub~ e ~ . ~t/~ F~#/#es D/~ 

• Subpart F.-=-Chem/ca/s Etchh~ and "Milling , . " " " -

. Facili#es DLechar~ng. 38,000. Liters or More •

Subpart F,J-Chemica/ ,Etching and Mill/~ " - ~arging ~ Than 3B, O00 ~ Per Day 

Per Day PS~$ Um#ations (mg//) " Faciflt~s Discharging38,000 Liters or.More PSES ".L~. __~_#p~. (/r/g/1) . . 

. . - - Per Day PSES Um#ation$ (.r~//) . : " ...... : " " ...... 

..', ....... , . prope~ '.~ny.lday m)nsecuth~ Po~utantorpotkda~ Ma.)drm.m~f~r any1~y--" ~mordkon~g 

• ~m°'~ng~no~ .... pro~., :-. : - " any,.~...~0--s~.. ~. .. -. .... " . __d=~ _~. _no~ .... 

" " .... -'--. .... : .......................... --:~-'--~ ................ ~ . _ ~ .-- --:_- - - . ::.-.~_~- .... -5.0--'-- ....... ~.7 "=" 

- - (:~N.'T ................. ~ " ~ ' " 1.9 1.0 " " ~o ...................... :__ 0,~ 0.4 

• . Cu..; ........................ ",... - 4.5 • . - 2.7 CN,T.. ..... ' '. 1.9 .1.0 CxI.,: ............... : ........ 1.2 0.7 

...... I~.-~.,=.;..;.,)~...--.~--.---_ - 4.1 " ~-6 PI) ..~ ........ ~ .............. O.S 0,4 - • = ,pi 

Cr ...... - 7.0 4.0 , C<I-~-.~,~.~...,~'--..=~,~..~...-. ---. 12,. :-:::. :::.'- :Ol-:~.-.: ~_ ,- ~,,~...~_ - - - -

• Z.n ........... ~._....~ ........... ~ 4~' 2.8 :'1",.~,.~....? ............................ ~0.0 . 13.4 

P~ ............ _. ........... b.s 0.4 .~. : " . .... (') (') - (c}=For plants discharging 38,000i 

.... c~ .................... 1.~ - o.r " " {10,000 gal) or more per calendar da3Lo_f - " .... ~=....~--v-:- . ~C,.5 6:8--- ~ ', ~0~ . . . . . . . . 

.. . .: .. . . . . following limitati~nsslialla-p-pl~ ---

• (d) -AlternativelY, the following, mass- ' Subpm;t O--Eleotrole~) Platlng 

• b#sed standards are equivalent to "and Subcategory . Subpm~ 6L~-f)fat~g Fac#/t~ D/s-

. . . . " " - o r

may apply in place, of those limitations. § 413.70 ADplle,~bg]ty: i~mcrip~ of the " PSES Limitat~ns (mg//) 

• sPecifiedunder paragraph (c) of.this plectroleu plating sub¢~tegory . . . . . . 

. section upon prior agreemerit between a The prOvisioRs of'this subpart apply ^~ • source subject to these stanchirds and • .- the publicly owned treatment Works to discharges resulting from the '~mt or ~ ~ ~,. ~ 4~'= ;~ ............. electroless plating of a metallic la_yer on m)~v ' =v ~ day . ¢ormcu~e. ~recervmgsucn~regulazea wastes • . ' . ~--:- -~ ........ a-~c-0r n onm6tallic~b's~ate, - - ................. ~ - -

• .. " Subpart F;--Cherr#~_,a/: Etching. and Milling. § 413.71 ~=~¢lallzed deflnlUon~, ........ . '" .- ' 

i. " Facilities Discharging 38,000 Liters or More " • CN,T.............. .'. .... 1.e • . For the purpose of th/s subpart: . . ~.o .. C~ ............... ; ......... 4.5 P_7 

. . . . Pm A Day PSES Um#ab'ons' <mg/~I m~oper. (a.} Theterm ",sq m" ("sq. ft/')shal] )~.............................. .: 4.1 2.s 

ati~n) . - mean the area I)lated expressed in - c~_L ................... r.o 4.0 . -" ' ~ , Zn ,..: ............... ...~..~*_~ 4,2- ?..6 

• " k,~o~ ~ squa~ meters (square feet)." P~ ..................................... o.n o_4 

• ~ . .-.~ - " {b) The term "e|ectroless plating'". . ca:..: ........ ' 1~- o.r 

po0~-~ or ~ Max~ ~ o0~ec~ " Shall mean the deposition of Conduc~'~ ro~ r~ ........ ~10~ ee 

- )~o~,y. =~y ! day ... mo~no~ material from an aUtocatalytic plating 

• • .=eed solution Without applicotion of electrical (d) Alternatively, the following mass-

~ current . . . . based standards are equivalent to and 

. C~ CN. ................. r ...... ' ~:.. 

........ ........ :_ .178 r4 105 39 . (C} The,term "operation" shall mean may apply In place of those limitations 

I~-. ......................................... - 180 100 ' any step in the' electroless plating..- " specified under paragraph (c) of this

znC~ ......................... . .:, . ~)~za ~ozlS~ process in which a metal, is deposited on section upon prior agreement between a

.)~..-............................. z) is a basis material.andwhich is followed source subject to these'standards and 

c> 
/ • ~"~" ','" ' -- '"'~l ~':T . - -"- " " " " ' . : 

~,-. . " . ~, :...... " 

:~:::.- . . - .,- . -p"" . .,.'.: ',:: . .. . . 

::_: .. .. . • .. ." :. . . . . . . . . ~ . . . . . . . . . ....... • ~ . ................ ~ -

~::::-. ........ : " ::=Feae;al -Reg|ster/'~ro]', 46, No. ~B-::[:Wednesday,-Janua~ 2B;":-~:~!~':~~.?:::::~ ::'~:~:~'~" ~-~ ~'" . . . . " ~ F " I ' I - - . .. /. ..@ . r 

the pul~lic]y owned treatment Works ~:: " {aJ The termi"sq fl" {"s.q m'} shall {d] Alternatively, the iollowzng massreceiving such l:egulated Wastes: " mean the area of the printed circuit based standards are equivalent to and 

- " " - E/, " " ...... : ....... _: board ini~ersed in an aqueous process ' .may apply in place of those lim/tat/ons -

.i~UoPan " r~.-~t:,eci~./e..ss F'/agng t-acHmes .uzs- bath. ". : ' . - .specified under paragraph (c) of this " 

• . cnarg~ng 38,000 Liters or More Per Day " rbl The term "0nerafion'; shall mean section uoon prior agreement bet',;veen a . . SES LJPmta~Ons (rnglsq mope/at[on) • " " " " • • " • " andar n

• - ..... . ...... . ' any step in the pnn.ted circmt board so~ce subject to these st d~a d . 

........... "~.~:~.~,= .... ---',~.~ <~-,~ ~--~:.¢e~r~p ~ ~ t~ ~-`'- . . . . i 

' " " - : " " ' " " . . ." ~va~--°-~s . " rd is immersed in an:anueous ' - " receiving such reguIlted wastes: . -- " 'Poflutant or pollutant " "'~axi~m for- "Io~.4 ".," - , . , . . , "= " " - , . . - .

" ' ' ~,--=,~ .. " " " any i c~y . co~s~Jt~ ~/-.>~r0cessbath whzch m followed by. a. Sub -o'~ H - Pnhted C~ Board Fac~s • . " "~,';"'~ - - ,~- . n'x~'~odng , ' :.. - ' " , . ~ • .-- . 

," ,-. -, .... . . .;. ~,:-:< ... <~r~,~r~! - nnse. _.... ~ . - :.. • .... ' " Discha(ging 38,000 Uter~ or More P~" Day 

~:~i'E:,.-......:.-.:~~~<~.~-~'~"~;:-exlstlng ~ource~ " " . . , --.-:. _{... "-~" " -.. . " : o - C~ ..~....:..._.; ...................... " ""176.'." " "" --v. .. .I05 . ~ " ~" . . _ " " . - ~.~--~ -. " - ..... ^verae~ ~ ~ . 

' " " ,:r" NI:'...~.~:.:1⁄4.:..:-.:_......: ............. 160 " 10o- Exceptas pr0vided'in dO CFR'403.7 " " . . . . . . "..... ~W,a~ "~ 

" Zn ....... : .......... 164 " 102.. . ... . . - •. ~ '~'~,, .. , . prop~ . Iny I clay. • ~,~,~n~ 

~o • " • " - • - ~s " ~ ~e " to rms.suopa~ wmc, n-m~roouces . • " - "~-;~7~ ......... .---~ ........................... . -. - • • d=~ 

• C,,d ................................... ;.....; . . ,47 ;~9 .pollut'ants into" a publicly:0wned ' • . • , ~x~ 

~;' ; ; .-~ Tolal n~etals....'..... ..... . :." ...... ..4~0.. -. " roT. treatment works must coznp|y with dO c~. T .............. L..:_ ................ ' 1~ -m 

. . . ; . : .~; " . . . '" " .. • .CFR,Part .4~, -a~,d achieve the. fog!owing., c~ ................................... : 4o~. ' ~ : =4~ .,. 

' -'-.-i " {e} ForwaStewatersources regulated " pretreestment standard s for e~Jsting " ~ ............. ' ................... :...:..-.,.. :.., .sea . ~.- z~, ' Ct ............ :.....:....::LZ..:_..~, 623 : 

~. under para~ai)h {c)of thisde0tion~ the ' SOUrCeS (PSES): ., "" .Zn ....................................... 374 " ' ." 232 

~ " f0Uow/ng optional contr0!.program may. (a) No user introducing~wastewater ~o ................................ :_ s~ ~ 

" " . -be elected, by the soqrce introducing., • '. pollutant s into a puSlicly owned. ' . . c~ ................ :.....::.:;.,,~.:.._ ~o7 ss Total metals ........ ~._..L .... ms so9 -- • 

" treated process wastewater into a " - treatment works under the pro.visions of: 

publicly owned.treatment works.wi~ ' -this subp~zt.shaU augment the use of 

• the concurrdtice of the control authority." process wastewater or otherwise ~lute .ie}-For wastewater sources regulated 

These optional pdllufant parameters~are, " the.wastewateras a-partial or total under paragraph (c} of this section, the 

..not el-igible for~llowance.for removal.. -subktitute for adequatetreatment to foUo~'ing-optional control program may 

achieved by the publiclyowned .. achieve.cqmp]/ance with-d~is stand~ lect~-a By th# _~O~~I:l~ 

treatment works underdo CFR 403.?, In, {b] For a source discharging less than treated process wastewater into a 

the absence ofstropg:chelat/ng agents, • 38,000 liters {:i0,000 ga])per calendar publicly o~ed treatment works with 

aflel; reductiondf'hexavalent Chromium . day of electropiating process the 'concurrence of the control authority. 

Wastesi 'and afte~ neutralizafi0n using wastewater' the following limitations These optional poU~tant parameters are .... " " " • • - not eligible for. allowdnce :for removal 

calcium oxide {or hydroxide} the shall apply: . achieved by the pt~blicly owned 

following limitations shall apply." ,.. . • . .. - ........ , ... . . 

7 ,. . . : . " ~ . L _ ' : , Su.~.b~.,~,J_ H~.=P~J--~L,~it~ Faci/#~s.:, ~_e,'atment works,..und ~..40.C~. .~,..I~_. ..:~ 

• " " charging 38,000-Uters-orMOre~Her ua¥. DayPSESLimita#'ons(mg//). .' . aflerreduction ofheXava]entc2tromium 

............... PSES l.J~itabons (rng 7) " - " . . . . . wastes,-and~er neu.tr~tion uszng . 

Av=,',,~, o~ 

• , =%-;-- dsiN vakJes poliuta~_ or poIIdtant Ma,~mum for . follo~ring limitations.shall apply:. ar~'i~ly" " ~xml.cullve Po,~ta,t ~ po,=ant M~mum f0~- ~ 4. • pror~,-ty - eonsecueve Subpart H.--Pr~ted 6;~r~u#.. Board F:i~/lY~s wopeny any ! day . .- monltsdng --' 

"~ys sl',a~ not, : " . Disct~Irg#ng 38,000 "Uters or More Per Day ' . .". 

::. " ' .' • ... ;-: ' '.c~.'~,..:_:::~_2 ..... 5.0 " , 2.7. PSES UmitaUons (rng/I) ' . 

CN,T:~._....'_...: ............... • ,..-:.;>iI:9 " ~--"-.:~-.;~.~)" eA.-: ........... :-J-:-:--......... 0.6 0.4

' " " " " ~ C4J - .... =___ Pb ........ ; ................. '.~ .. 0.6 _, - ........ ~4_ ........... _-_.~._....__-~--,~;...~ ........ ,'LZ _:... - ........................ ,~.~-.--- , . _ - . . ~ - - Cd::.."." "-?:..:'.'.: ::: 7, ......... '......... :..- 0.7 

eonsecu~ve 

pK~oerty any 1 day" • monlt~ - TSS ............ v--: ................... 20.0 13.4. ~_. . , .': Pollblant or poRutant " Ma.xt'num for 

pH,.,: ............: ................ ::.. - e) (') [c} Foipla"ts"... - - - da~ ~e, am not o--oa;schar~;"° 38,000 liters 

- "" Within lee range 7,~.'~'~0.00 (10.000 gal} or. more per calendar day o~ exceed 

electr0plating process.wastewater the " CN, T ...................... : ........... 1.9 1.0 

i..... i .~_Su~.:art H....---.Print~. Circuit-Board• . . : following !im!taUons sS~]l apply: Pb _-- ...................... 0.6 0.4 

Cd ................................ 1.2 0.7 

- --~=--~i~category .......... • - ..Subpart H.--Prfnted Circuit Board Facilities TSS ............................... 20.0 13.4 

Discharging 38,000 lJTers or More Per Day pH .............. _:_ .......... (z~. (,) 

§ 4.13,80 Applicability:, Des=iption of the 

•.;, printL~ circuit board subcategory, " :- ; .. pSES .Limitab'o~ (mg/I) t Wdt~n the range 7.5 to 10.0 

.. . . • . - . .. i . . 

•. The provisions of thss subpart app!y • ^verage o~ WR Doc. 81-2"1t7 Filet] 1-~-8Z: &4.~am] 

to the manufacture of printed circuit . . . . . ~s ~ ~ . • ~o n " t, . • . "" • i~ouutarll or pOII1J~nt MaXimum for 

[ ooaro8, mcluomg all manulaclurlng • . .. - property any 1.~y '.. eoese~m'ive • .. .-

I ~ Operations reqv3red or used to convert • " .......... .da~.n~o~~a!I r~ol 

I - e~ insulating substrata to a finished . +-- , . . .-- ........ :-__. ~ d I ]m'ited.on-ouJt Boa~ The provisions set CN T ..... :... ............. ' " " '1.9 1.0 

[ " forth m otl=er subparts of this category 'c,L._~ ................... ::.~ .......... 4.5 2.7 

I are not applidable to the manu~act.re of . ~j ......................................... - _ :~.~ ze 

l printed circuitboards. -:...... " " ." ~,z','~ "':i " :i.'..'.i '" ' -412. 4.o2.s 

I . . " . . . .................................... o., 

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