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. .. .**~:/ ~**  "\ I _L_ SURNA M E

DATE

EP A F orm 1320

- l (12- 7 0) OF FfCIA 1""**-~- .**  OJ<..

J.U

.**~Q ~A** **iieBdQuart~rs** CC.:O:OOHtv arrl littachea Harm 15,**l~t>~.** '**'lT~fKjt.r..,** tHll 4U' I'ti 

### to tOO Re\llOOS

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### 11. Mail must 

### develq) a Mi Xii'\1 

### '?.or fp.Licy 1n 1ts 

### re,aulation or Ln ttv C.."'PP. CtJr.t 

### ntly 1"" • '1

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### tor r.lXlrt;;**~** de.llnPat 

### ion or**~vd** ot**~'rcrect** 

### i on within tM

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### Sinoorely you r s,



### Davtn A

.**~'ierra.** 

### D irect or**~t,..r** ti 1'\ 

### gcmnt Div ision**FDA U)R/PSS:Putler~**  '"'n J :S/6/85 Disk 2 l-3\tt.lr'"!r, Doc. 87snn,H.'CT: HcadqurJrten"l**.Rovi•~w** of 

### Nain..,•s Prnnos<='d 

### Water 

### Quality Standards



### FROM:**Patrie~** 

### M

. Tobin,**Dir~ctor** 

### Criteria &**Stand~r~~** 

### DivisinTO: Davii A. Fierra, Oi r Pctor Wator Man?1**-~nt** 

### Division

Wo h vo**r~viewrd** 

### MAinr's PronoBPd Water Quality**St~ndard~** 

### O!QS)

, the 

### Rcqion's cor

..... 

### ('ntR thPr.oon, ancJ the State's**n~buttaJ.** 

### Our**co~~** 

### ntR 

### follo •

1. a)**W~** 

### concur 

### with your C01'1M'"nt r('oarding "'rot..,.f'tion ot cxir,tinn



### use-. It 

### is not**~~** 

### all clear that**pr0t~ction** 

### 0£ "craractnrist!cs• 

### iroJies prot 

### f'tion of existin0 

### use s.**~h~ t~rr**  

### •characteristic"'!" is too voQue. 

## 'T".,,.. n•(,ion 

### -,u::.t o•··t a

w r itten 

### opinion fr0, tre State that**ch?r,c~eri ~ics**  

### will**~ inter** **pr~ted** 

### as Pxi**~inn us~**  

### •

h) Your Asesqnpnt of**t~is** 

### sPrtion of**~aine's anti~~or1datio~**  

### policy alsn l;a;:: 

### r<'rit.**~if" \'OUlc~**  

### 1**ih~** 

### to rakf' 

### clc;ar that 

### prC"I._ ction of hif'h 

### o·1a lity water'"' ic.;**rPrruir~~** 

### only For 

### th ose Pxceedina**fishable-s~ir~ahle** 

### auality. This 

### ApoPars, ho• v<>r, to I"'(> 

### t!"le ca<>e 

### in**~11 ~1.ain~** **wa.t~.~rs.** ':he 

### ·at:er aual ity of hic:h C'uality**wav~,..** 

### .,ust t-e rr1aintaineri r<"gard'.C's<:: 

### of 

### its ability to attain a hi.qhor uc;e. If a 

### hiqter. u::;c js 

### attained, it 

### should**h~** 

### so**~P$lgn~tP1.** 

### Maine is in·err0r 

### \'"ltl'n it 

### statP-s that tris i!:i, 

### in**pffP~""t,** 

### ann <"iC'ch;'lrnn 

### nolicy. It is a limited 

### d?qradatiol'l ;:>olif')' onvt:r.rwd ,)V 

### 40 CPF 131.12(a)(2).

c)**Althoun~** 

### it 

### is**orefera~)P** 

### to hava 

### this ianquaro in**t~e** 

### statute, inteTOOVOrP,..,,ntal 

### end 

### nuhlic p,qrticir);,tion 01"'' 1

-**c~~~n~ ~~v**  he**d~rr qse~**  hy 

### r oul,tion.**P~IPVPr, th~** **P~~i"~ s~oul~** **wit~hol1 ap~roval**  

### of**t~is ~~rt**  

### until such**ti-~** 

### as a satisfactory rPqulation is in**tore~.**

CONCURRENCES

### d)**Th~** 

### state**l~nq** 

### to**arl~rcss** cost 

### effnctive Dnd**r~auon~!,l ~**  bPs t mao;:v " " -""' t pri'ict\C'f'\<'" for noP-T"Ci"'t.**$OUr<;'~** C<:nt.r-ol i.P 

### t he ir hiennial 305( 1)**rt"""~Ort .**  

### 1h l s 1s**u·~~c::-c...,tc:o.,lo** 

### in ,c far " H3**t~e** 

### 3 0 5{b) 

### ren o rt jc;. n0t an**cnforC'..,?t'lr-~ ~n** **m,,.nt. Prot~~tion** **~ou d**  

### hP Rfforded 

### in 

### thn**~t ~tJt0** **~ut** 

### -ay**a'"~DPar** 

### in 

### thp rA aulations

. 

### In**i3 d~** **iti on** **, t~P**  

### qtat0 

### -ust

ao•:;ure th(.'**hioht:~f't** Rt<'ltU t ory 

### and n"QU] a t ory**r('q~ €nl~nt** **'· ·**  

### for all r ow**a~d** 

### PXistin q point s ources w h0n water o u ality**n~ q** **rnrl~t** i on i

. q n.ll**o~0d .** 

2

. 

### ThP**~ti'ite** has**a~dressed th~**  

### R p o ion's**r0r~** 

### nt on**S~ctio1 3~**  

### by d is'l llowinc· 

### eny

... . schar 0n 

### to 

### class l\A

, 

### Cl'-lss 

### s:. or**w~ t.** **.)r** 

### ... wit t>**•~ rainar** **e ~rroe-;**  of 

### Jpc:s than 1 0 square- 

### ..,i ler.:

, rl3 ·•eJ l**:~.-.­ done~t** **tc** 

### wastewater**dlsch~ ~as**  t o**tri butariP~**  r · f**~P~ w~trrs** **.** 

### We i nt r P r9t t h is as n:·rtui ri 

### n o rn

- ,o·

-- 11 of 

### eYist j 

### n11 :- 'i.<:>cb,,rrr>r'· 

### (i f any) to thPBo waters. 

### Is this 

### real ly what**t~0** 

### st,tc**int~ncls** 

### to do?

3. Approval of any**re~ulation~** 

### inconeistPnt with EPA**qui~~nc0** 

### shoul d be**wit 1** **~ld** 

### until 

### Ruch**tt~P ~~**  

### the**St~tn t.?~P~** **thi~** 

### actior.

4

. rPA allows**se~~onal** 

### us os to b e assirned. U0**te~l hat** **~he** 

### Re,..,i on 's**r0C' O.,....** **,... rnc~** **ation** 

### hi's ""Orit bv 

### nro,ririnr 

### n rc+-•-.t:"tion l-or· 

### inci rl ntal 

### hul"'an ov"1osurC> <ln 1 l 

### 0ivinq 

### t ht:> Statt" <1. st.l'C>Mw•r basis for 

### rqquirino more 

### strinrent co n trol R

. 

### The**Stat~ ~a~**  

### also wish to a0nsider a**l~As** 

### strinnr>nt**b~cLeri~J critPri~**  

### trr other T"lOnths of t he year**<.1~~; oth(~r**  st.ates !1."\vo**dc•n(~.** f10W• ' VE'Y

, 

### the State is**no~** 

### roguireod 

### t. o 1l10c'lify thj 

### s

.... ol i\'\ 

### to rrn< ' t**f-.P.~** 

### r "ou i 

### r r·-e n t 

### s.

5. This r>?cv indf'>('lrt '>t-> a 

### i"' a ttcr cf**c::r"antico:;.** f<0 \..'ever,

· ,·J0 fr:el tha t**"1~int?'** c:;**wor~i** r.11**l..e~r'l"'** one 

### to cnncltv•c**th~t:** t

.. lt•vc:**t~** 

### ' ba ctPri a 

### counts ar e**aac:;ur~rl** 

### to be of**on hu~~n** **ori~iDs ~n!0** **~~ con~ir** **r1oc'l** to r.ho contrary

. 

### PP<1 ion's "" i r 

### i**--~** 

### .liC"s ttJ{It**~lev-'\tori** 

### countc::. eP "f" ass u ""1 t"<'l 1':0 

### bA of**hu-~n** ori<: .d .n llr.)P<=;!=> c-on



### firnNi to tht) 

### contr ;:or y

. t'f'l 

### think t h'lt t' (**.~t. tr~r**  nQnro,1rl,**·i~; hP** **tt ~r** **,** Rf.f:orc!s**or ~**  .. nrotf' ct.io n to th e nuhlic

,**~-~nr 1**  cd.vr";:; 

### t'A
st..nt e a**~t ron** **qe-r** :->As is 

### for reoui d nq l""0r.e 

### st.rin\t:n t cont rnl .s whc rf"l n(>C(\SSflry.



### 7.**E'tnt-~-'~** 

### an

..**rP Qtd** **r~ d**  to**DrOt~"'C" t**  

### esPs

. 

### If r;.;l 

### .,e/1**.~.is~<olvP.'"' oYY0~n**  is**nsuc~icic~t orotnr** **~i n**  fo r**~ rl"~** **s** 

### :**c~ldw~t~r** 

### fisrE>ry, Ma'<in(> l(lU<:>t 

### f'es i rna t

.,. nrotec+-.iv"'**rrir(! L:~.**  

### A 

### r,upr.ri

cnl 

### <.:riteri.a i s**fer;~nl .**  

### Tl-;c St:

. 3te**~h("\uJ.~·: ~~f·r:**  t

. o t!ll!**--r- ~** **"~Pl\** 

### Cr i ter iD rlOCtlMPnt. 'f.0r d i 

### r.s o 1 vnd**oxyr~,.,~** (**N~** 

### lo· ·
.... c'l)

.

### B. Aaain, criteria sufficiPnt t0**rotP ~t**  

### uspq arn**rq~ui~eri.** 

### The
State 

### roroved**th~** 

### P.PA**o~~eno0d** 

### criteria fo r shellfish 

### protection in Class SA an d SB weters an d**i~dic ates** **th~t** 

### nrotPc

- tion is**affor~ed** 

### at least 

### u nder SPctioM 

### 3c and Section 4

, Class 

## sq

.**T~ o**  

### P Pqion should assurP t h a t the SPctions of 38 

### MFRA**cit ~d**  

### do, in fact, p r ovidP**ad~quate** 

### protoctinn 

### fo r**hot~** 

### Class SA an d SB s hell fishinq w ater s**consisten~ wit~**  

### EPA 

### crit ria.

q. 

### If th(' chromiuM criterion is 

### less strinn('\nt than tho 

### l;:PJ\ recorrended value, a pp r o va l of**t~P** 

### criterion**~houl.!** 

### be with

held until the State**ha~** 

### r PviPwerl**thoi ~** **rPn ul~** **tions** 

### and adopte-r.! an**C~d~auat~** 

### criterion f or. chrorrti um

.



### 1 0. Headouarters**o~~Pn t**  

### in 3 a bove a ppliAs herein. The StatP should 

### be r efe rr ed to 

### add i tional**qui~anc<** 

### on varian cP s con

tained in th <' l'"lOf"''orandutn of**P~a rc** **h** 

### 15

, 1985,**frr~ J:~d\odn**  

### Jot•nson**t~ th~** **~ater** 

### Division Directo-s.



### 11. 

### He concur 

### with the 

### Req ion's corr,. · ., nts on 

### nix in G**zon~s. ~·ainf?** **'c;;** 

### statcnont that " ••• 

### fact o rs in 

### thr CP A**~ater Qu~lity** **St~ndar~n** 

### Hand book- Chanter 2" will be considorPd 

### in raKinq Mixinq z0nP 

### decisions is insufficient. T he Sta tE'> rmst dPVE"lo·• ll 

### mix i nq



### zone policy consistent with 

### 8PA**qu id** **li ~Pg** **inclu~in0 th~**  

### Stztc's**~~thodoloay** 

### f or**cc te~inin9**  

### the**ch ar** **cte ristic~**  

### ot**rix n~**  

### zonor.



### as wel l as the in

- zon e water oualitv.