'06/30/280 4 16:4 2 617-495-059 3 HARVAR D EH& S PAG E 02/3 4 HARVAR D UNIVERSIT Y UNIVERSIT

Y OPERATION

S SERVICE

S ENVIRONMENTA

L HEALT H AN D SAFET

Y Jun e 30,2004 . Rober t Donaldso n Departmen

t o f Environmenta

l Protectio n Burea u o f Wast e Preventio

n On e Winte r Street , 8 t hFloo r Boston , M A 0210

8

I n Re : Propose

d Amendment

s t o 31 0 CM R7.0

0 efcseq . and 31 0 CM R70.0

0 - Engine s an d Combustion Turbine s Dea r Mr . Donaldson : Ia mplease d t o offe r th e followin g comment

s wit h respec t t o 31 0 CM R7.0 0 etseq.an

d 31 0 CM R70.0 0 - Engines an

d Combustio

n Turbines . M y comment s ar e primaril y aligne

d wit h th e comment s o f Joh n P . LeFebvre, P

E o f th e Polaroid Corporation . I n general , I suppor t th e intende d result s o f th e propose d amendment

s an d offe r m y perspectiv

e wit h regard s t o accomplishin

g th e DEP' s state

d objectives . Icommen d th e Departmen

t fo r takin g a n approac h t o emission

s limitation s tha

t normalize

s o n anationa

l standard , specificall

y th e federa l standard s a t 4 0 CF R89 , Thi s methodolog

y wil l ensur e certaint y fo r th e regulate d communit

y whe n makin g apurchasin

g decision , whil

e als o assurin g th e Departmen

t tha t emission s ar e maintaine

d a t acceptabl

e levels . Likewise , th

e propose d chang e t o 31 0 CM R7.0 5 regardin g diese l fue l use d i n stationar

y engine s an d turbine s i s apragmati

c way . t o ensur e improve d emissio n rjerformanc

e across th

e Commonwealt

h i n a cost-effective manner

. On e o f m y concern s on . th e propose d regulations i s tha

t th e propose d requirements ma

y b e somewha t onerou s to facilitie s subjec

t t o Appendi

x C o f th e 31 0 CM

R7 regulations . Harvar

d Universit y ha s approximatel

y 5 0 unit s tha t ma y b e considere

d "Significant " a

s the y ar e replace d an d anywher e from0 t

o 5 ne w potentiall

y applicabl

e unit s adde d t o ou r facilit y eac

h yea r tha t ma y b e considere

d "Significant " unit

s unde r th e propose d regulations . Th

e DEP' s proposa

l ma y mak e permi t managemen

t mor e comple x o n paper , cos t additiona l fee s o n a n annua l basi s an d creat e additiona

l paperwor

k burden s fo r operatin g facilitie s an

d th e Department . A

s yo u know , researc h institutions , lik

e Harvar d University , ar

e increasingl

y including emergenc

y powe r a s a standar d requiremen

t fo r al l researc

h activities . I t

i s m y understanding , tha

t existin g unit s smalle r tha n 3,000,00

0 BTU/h r hea t inpu t wil l no t automaticall

y fal l int o thi s program

, thei r eventua l replacement

s will . I f

so, upo n replacemen

t th e emergenc

y generator

s becom e "emissio n units " unde

r th e DEP' s mos

t commo n implementatio

n o f Appendi x C regulations . Tha t designatio

n carrie s wit

h i t a n annua l cos t i n fee s an d paperwor

k tha t appea r t o yiel dn o environmenta

l benefit . I conceptuall

y agre e wit h thi s approac

h bu t I as k tha t th e DE P conside r

17 5 N^rt h Harvar dStree t AJIston , M A 0213 5 Te

l 617.495.206

0 Ei * 617.495.059

3 "Www.UQS.harvard.edti/e

WHARVAR D EH& S PAG E 03/C i

implementin

g thi s chang

e in amanne

r tha t wil l no t increas e th e "Significant " unit

s unde r Appendi x C . HUEH S offer s mor

e specific comment

s o n individua

l section s of th e Regulations . 31 0 CM R7.Q2(8)fi)3.b . and c . Thes e section s o f th e regulations a

s propose d (an d a s the y exist today ) ar e inconsisten

t wit h th e natur e o f th e device s bein g addressed

. Ther e i s onl y on e operationa

l restriction place

d o n emergenc y generator

s subjec t t o thes e section s - tota l operatin g run hours . Said restriction i s t o ensur e tha t thes e engine s neve r achiev e thei r inheren t potentia l a s majo r source s of nitroge n oxides wer

e the y t o b e operate dexcessively . Ther

e ar e n o limit s o n fue l typ e o r quantity , no

r o n heatin g value . W

e fee l tha t ther e i s n o reason t o requir

e amonthl

y lo g tha t track s suc h information , a

s th e information doe

s no t ti e bac k t o an y requirement . Owner

s hav e a n obligatio n unde r 31 0 CM R7.1 2 t o suppl y acalenda

r yea r estimat e o f emission s fro mthei

r facilities , bu

t th e manne r o f doin g s o i s no t specified , an

d th e information require

d by 7.02(8)(i)3. b i s no

t necessar y to mee t th e 7.1 2 obligation . Fue

l us e b y emergenc

y generator

s i s sufficiently smal

l tha t monthl y deliverie s d

o no t occur , an d th e tank s ar e o f asiz e suc h tha t the y ofte n d o no t provid e qualit y information wit

h regard s t o th e contents . I

n fact , individua

l generator/tan

k set s ofte n receiv e n o fue l deliverie s i n acalenda r year . Fro mm y perspective , i t

wil l b e impractica

l t o includ e th e languag e o f 31 0 CM R7.02(8)(i)3.b . Give n th e difficulty i n implementatio n fo r smalle r units , I reques

t tha t 31 0 CM R 7.02(8)(i)3.b . b

e amende d t o read , " A lo g o f hour s of operation. " I furthe

r reques t tha t 31 0 CM R 7.02(8Xi)3.c . b

e deleted . 31 0 CM R7.26Y42VdVla

. an d b . I n thi s section , 1 understan d th e concer n tha t exist s wit h respect t o th e placemen

t o f emergenc y engine s i n urba n settings , bu

t w e wouldcautio

n th e Departmen

t no t to los e sigh t o f two facts : 1 ) Thes

e engine s rarel y operate , an d th e Department' s authorit

y i s limite dto thos

e matter s impactin

g upo n ambien t air . A s currentl y configured , man

y industria

l emergenc

y engine s d o no t impac t upo n ambien t air, whereas , i f

installed pursuan

t t o thes e stac k heigh t requirement

s the y might . 2 ) I t

i s no t uncommo n t o fin dIndustria

l installation s wholl

y within building s - exhaus

t i s throug h wall-mounte

dlouvers . Likewise , engine s ar e sometime

s offse t fro mabuildin

g wher e satisfying thes

e requirements wouldrequir e aself-supportin

g stac k thre e o r mor e storie s tall . I believ

e tha t thi s propose

d sectio n ma y b e onerou s fo r larg e facilitie s while providin g limite denvironmenta

l benefit . W

e furthe r not e tha t th e Departmen

t i s alread y sufficiently empowere

d unde r it s authorit

y t o regulat e " aconditio

n o f ai r pollution " a

s t o addres s urba n concern s tha t exis t wit h curren t an dfutur e installations . Ireques t tha t propose d 31 0 CM

R7.26(42)(d)4.a. an

d b b e change d t o rea d a s follows : "Stac k Heigh t an d Emissio n Dispersio

n Al l emergenc

y engine s an d turbines shal

l utiliz e a n exhaus t stac k tha t discharge s s o a s no t t o caus e aconditio

n o f ai r pollutio n (31 0 CM

R7.01(1)). " 31 0 CMR7.26Y42)ffl.2 . an d 3 .

i617-495-059 3 HARVARDEH3S PAG E 04/0 4 06/30/200 4 16:4 2

My discussio

n wit h respec t t o 31 0 CM

R7,02(8)(i)3.b . an

dc i s applicabl

e her e a s well . Pleas e chang e 31 0 CM R7.26(42X02 . t

o read, " A lo g o f

hour s o f operation. " Pleas

e als o delet e propose d31 0 CM R7,26(42)(f)3 . A final , genera

l concern, is th

e us e o f temporar y emergenc

y engine s an dth e complianc

e wit h th e requirement

s tha t ma y subjec t smalle r unit s t o additiona

l complianc

e demands . Give

n thi s concer n an dth e ne w requirement

s tha t ma y subjec t smal l an dtemporar

y t o ne w requirements , pleas e conside r a n exemptio

n fo r temporar y emergenc

y engine s simila r t o th e 31 0 CM

R7.0 3 (23 ) Temporar

y Boilers . Iwouldlik

e to reiterat

e m y genera l suppor t fo r th e developmen

t an dimplementatio

n o f thes e regulations . Than

k yo u fo r thi s opportunit

y t o comment

.

Mile s Walke

r06/38/200 4 15:4 2 617-495-059 3 HARVAR D EHS S PAG E 0 1 /U4 . 

### HARVARD UNIVERSITY Environmental

Health & Safety

FACSIMIL E TRANSMITTA L SHEE T TO ; PROM; Robe r Donaldso n Mile s Walke r COMPANY

; DAT B 06/30/0 4 FA X NUMBER

: TOT At . NO

- O P PAGE S INCLUDIN

G COVtW: 617-292-585 8 4 PHON E NUMBER

; RE : Comment s o n 31 0 CMR7,0

0

P URGEN T • FO

RREVIE W • PLEAS E COMMEN T • PLEAS E REPL Y • PLEAS E RECYCL E NOTES/COMMENTS : Pleas e conside r m y comment

s fo r review . Jlyo u hav e an y question

s giv e m e acal l a t 617-496-3437 , Than

k you . -Miles Walke

r

17

5 Nort h Harvar dStree t Boston , M A 0213 4 Telephon e 617-496-343

7

i