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# OAR Box 

# 1865 Prepped by Charmelle Mathews



## Document

Number: 

# 39 ) IV-E-2 7
Docket Number: 

# A-83-2 7

Printed 12/3/20089:15:28AM

Sheet 39of 105P. 2 

# Dllm 

# „ H 

# A-83-27 RADIA N CORPORATIO N



### TELEPHON E CAL L REPOR T

DATE : Octobe r 29 , 198 6 TO : Mr . Da nAlle n

Ne w Hampshir e Departmen t o f Natura l Resource s Wate r Suppl y

an d Pollutio nContro l Divisio n Haze nStree t Concord , Ne w

Hampshir e 0330 1 (603 ) 271-205 2 FROM : Philli pA . May , Radia nCorporatio n SUBJECT : Sodiu

m Scrubbe r Discharg e

Mr . Alle nstate dtha t al l discharges , whethe r the y wer e from

a scrubbe r uni t itsel f o r fro

m a publicall y

owne dtreatmen t works , mus t mee t th e stat e effluen t guidelines . A neffluen t guidelin e i s a concentratio nlimi t use di n permittin g a ne w

source . Th e impac t o f a ne w sourc e i s evaluate db y determinin g pollutan t concentration s inth e receivin g wate r body i f th e discharg e wer e t o occur . Th e concentratio nlimit s ar e referre dt o a s wate r qualit y criteria , an

d th e stat e o f Ne w

Hampshir e presentl y

ha s a sulfat e limi t o f 10 0 mg/liter . Mr . Alle nals o state dtha t on e o f th e facilitie s unde r hi s jurisdictio n presentl y

ha s problem s wit hsulfat e loading s a t th e discharge . Thi s facilit y i s th e facilit y

a t Merima c an

d th e contac t ther e i s Roge r Descoteaux . Th e discharg e ther e i s int o th e Merima c Rive r and th e sulfat e loadin g intha t stream i s already

a t o r abov e th e stat e limit . I naddition , the y hav e a proble m

wit hH« S reemission . H e addde dtha t h e coul dse e wher e ther e woul db e th e potentia l fo r a proble m wit hH 2 

### S reemissio nwheneve r th e discharg e o f a concentrate dsulfat e stream too kplac e a t a poin t whic hwa s distan t fro

m th e treatmen t facility . Th e reaso nstate dwa s the'increase d probabilit y

o f stagnan t area s alon g th e wa y t o th e plant .

Progres s Center/320 0 E
. Chape l Hil l Rd./Nelso n Hwy./P.O
. Bo x 13000/Researc h Triangl e Park

. N.C

. 27709/(919)541-910 0P. 3

ALDE N H

. HOWAR

D COMMISSIONE R WILLIA M A

. HEALY

. RE

. DIRECTO R RUSSELLA

. NYLANDER

. RE

.

CHIE F ENGINEE R 

### State o f Ne w Hampshire DEPARTMEN T O FENVIRONMENTA LSERVICE S WATE RSUPPL Y & POLLUTIO N CONTROLDIVISIO N 6 Haze n Drive

. P.O

. Bo

x 95 , Concord

, N H 0330 1 603-271-350

4

Jul y13 , 198 7 COUNCI L JOH N F . BRIDGES . Chairman MICHAE L G . LITTLE . Vic e Chairma n JOH N C . COLLINS . P.E . ALLE N F

. CRABTRE E II

I RUSSEL L DUMAI S . RICHAR D M . FLYN N WILBU RF . LaPAGE JAME S J. PAG

E WAYN E L . PATENAUD E DAVI D G . SCOT T JAME S VAROTSI S WILLIA M T. WALLACE . M.D. . M.P.H .

Mr . Phili pA . May , Chemica l Enginee r Radia nCorp . P.O . Bo x1300 0 Researc hTriangl e Park , N.C . 2770 9 Subject : Sodiu

m Scrubbe r Discharg e Dea r Mr . May :
You r lette r t o m e date dJun e 29 , 1987 , conveye dyou r Telephon e Cal l Repor t relate dt o a conversatio nyo u indicat e w e had o nOctobe r 29 , 1986 . I mus t commen t ontha t Report , sinc e i t doe s no t accuratel y repor t th e regulator y

framewor k applicabl e t o discharge s i nNe w Hampshire . M

y comment s follow : 1 ) Th e stat e doe s no t currentl y hav e eithe r "effluen t guidelines " o r "wate r qualit y

criteria " whic hwoul dprovid e th e framewor k and standard s fo r permittin g discharge s t o receivin g water s inNe w Hampshire . EPA

doe s hol dresponsibilit y fo r th e NPDE S progra m inNe w Hampshire . Th e Stat e concur s i n("certifies" ) EPA' s permits , o r issue s paralle l Stat e permit s i nsome cases . Stat e certificatio no f NPDE S permit s substitute s fo r issuanc e o f separat e Stat e permit s i n th e majorit y

o f cases . EPA

ha s effluen t guideline s an d wate r qualit y criteria . Th e Stat e ha s Wate r Qualit y Standards , du e fo r overhau l i n 1987 . 2 ) Th e presen t Stat e Standard s includ e a limitatio non-"substance s potentiall y

toxic " which , fo r Clas s BandC streams , read s "No t in toxi c concentration s o r combinations. " Aske da t wha t leve l sulfat e migh t b e limited , I suggeste dtha t th e literatur e migh t suppor t a wate r qualit y

limi t o f 10 0 mg/l , unles s occurrin g naturall y a t highe r concentration . W e d o no t presentl y hav e a specifi c limi t o nsulfat e o f 10 0 mg/l .P. 4

, - 2 - 3 ) Th e Wastewate r Treatmen t Facilit y i nMerrimac k doe s hav e a proble m wit hH2 S generatio ni nth e sludg e holdin g tan k andsludg e pres s area . Th e larges t industr y i ntow ndoe s occasionall y discharg e sulfat e a t concentration s i nexces s o f th e loca l limi t o f 25 0 mg/l . However , ther e i s n o effluen t limi t o nsulfat e i nth e NPDE S permi t fo r Merrimac k no r i nstat e condition s i nth e permi t certification . Ther e hav e bee ninstance s i nwhic ha permi t limi t o npH wa s no t me t becaus e o f th e industria l discharge , bu t sulfat e i nth e municipa l effluen t ha s no t bee nanissue . 4 ) W e d o expec t H2 S t o b e generate dfrom sulfat e whe nth e prope r condition s obtain : lo w flo w velocitie s (poo r aeration) , poo r sewe r ventilation , long retentio ntimes , lo w t o moderat e pH , andan adequat e sourc e o f sulfate . Long , fla t sewers , pum pstatio nwe t wells , andinverte dsiphon s ar e conduciv e t o Hp S buildup . Usually , H2 S generatio ni s no t limite db y sulfat e concentration . 5 ) Sulfat e a s a sal t ca ncaus e destructio no f concret e sewe r structure s whe nth e concentratio nexceed s 50 0 mg/ l fo r olde r sewer s o r 100 0 mg/ l fo r late r sewers . 6 ) Ther e ma y

b e othe r parameter s o f concern , beside s sulfate , i nth e wastewate r from

scrubbers . I believ e th e foregoin g point s shoul dreplac e th e Telephon e Cal l Repor t o f Octobe r 29 , 1987 . Pleas e contac t m e o r LynnWoodar d(603-271-2457) , i f yo u hav e question s abou t thi s lette r o r th e State' s perspectiv e onindustria l discharg e o f sulfate . Ver y trul y yours ,

:\_/ti-*<rj Da nH . Allen , P.E. , Superviso r Industria l Pretreatmen t Sectio n DHA/c d cc : Lyn nWoodard , WS&PC D