CAL I FO RNI A AI R RESO URCES BOARD SI P CO M PL ETENESS CHEC KL I ST

(E lec tronic Fo rma t) *** T O B E CO M P LE T E D BY DIST R I C T A N D RE T U R N E D TO A R B *** All r ul es submi t t ed t o t he EPA as St at e I mpl ement at i on Pl an ( SI P) r ev i si ons mu st be support ed b y cert ai n i nfor mat i on a nd documen t at i on for

t he r ul e pa ckages t o be dee med c ompl et e for r ev i ew by t he EPA. Rul es wi l l notbe ev al uat ed for ap pro vab ility by th e E P A un les s the su bm itt al p ac k ag es are c om ple te. To as s is t you in d e te rm i n i n g th at a ll ne c es s ary mat erials ar e i ncl uded i n r ul es pa ckages sentt o t he ARB for submi t t al t o t he EPA, pl ease fi l l outt he fol l owi ng for m and i ncl ude i t wi t h t h e r u l e p a c k a g e y o u s e n d A RB

. S e e t h e A RB ' s G u i d e l i n e s o n t h e I m p l e m e n t a t i o n o f t h e 4 0 C F R 51, Appendi x V, fo r

a mor e de t ai l ed e xpl anat i on t han i s pr ov i ded her e. Adopt ed r ul es and r ul e amendment s shoul d be checke d agai nstU. S. EPA ' s Gui dance Document for Cor r ect i ng Common VOC & Ot her Rul e Defi ci enci es ( Li t t l e Bl ue Book, August 21 , 2 00 1) t o en su r e t ha t t he y c on t ai n no e l em en t s wh i ch wi l l r es ul t i n di sa pp r ov al b y EPA. Dist r i ct : Y ol o- Sol ano AQMD Rul e No: 2

. 37 Dat e Adopt ed o r Amended : Apr i l 8, 200 9 R ule Title: N atu ral G as -Fired W ate r He ate rs a nd S m all B oile rs A DM I NI ST RA TIVE M A TE RI A LS Not e: Al

l docu m ents shou l d be in electr oni c f or m at

. I t ems that

have si gnat ur es, ini tials, or

stamps m ay be scann ed. Not At tac he d At tac he d N /A (X) ( ) ( ) COM PL ETE COPY OF THE R UL E: P rovid e an u nm a rke d c op y o f the en tir e r ul e as adopt ed o r

amen ded by y our

Di st r i ct Boar d. (X) ( ) () UND ERLI NE A ND ST RI KEO UT COPY OF TH E RULE : I f an am ended r ul e, pr ov i de a c om ple te copy of t he r ul e i ndi cat i ng i n un der l i ne a nd st r i keout fo rma t all lan gu ag e wh ic h ha s be en ad de d, d ele ted , or ch an ge d s inc e th e rule was l astado pt ed o r

amen ded. ( ) ( ) ( X) C O M P LE T E C O P Y O F T H E R E F E R E N C E D R U LE (S ): F or any r ul e whi ch i ncl udes l angua ge sp eci fi cal l y r efer enci ng anot her r ul e, a cop y of t hatot her r ul e mustal so be submi t t ed, unl ess i t has al r eady been submi t t ed t o EPA as pa rt ofa p revio us S IP su bm itt al. (X) ( ) ( ) PUBL I C NOTI CE EVI DENCE: I ncl ude a copy of t he l ocal newspap er cl i ppi ng c ertific atio n(s ), s tating the da te o f p ub lica tion , wh ic h m us t b e a t l ea s t 30 da ys befo r e t he h ear i ng. As an al t er nat i v e, i ncl ude a cop y of t he a ct ual pub l i shed no tice of the pu blic he arin g as it ap pe are d in the loc al n ew s pa pe r( s ). In this case, howev er , eno ugh of t he newspape r page must be i ncl uded t o sho w t he dat e of publ i cat i on. T he n ot i ce mustspeci fi cal l y i dent i fy byt i t l e an d nu mber each r ul e ad opt ed o r

amen ded. (X) ( ) ( ) RESOL UTI ON/ M I NUTE O RDER: Pr ov i de t he Boar d Cle r k cert i fi ed r esol ut i on or mi nut e or der

. T hi s docu mentmusti ncl ude cert i ficat i on t hatt he h ear i ng was hel d in accor dance wi t h t he i nfor mat i on i n t he p ubl i c not i ce. I t mustal so l i st t he r ul es t hatwer e ad opt ed o r amen ded, t he d at e o f t he p ubl i c hea r i ng, and a st at ementof

compl ian c e wit h Cal i for ni a Heal t h an d Safet y Code S ec tion s 40 72 5-4 07 28 (Ad m inis trative P roc ed ure s A c t). (X) ( ) ( ) PUBL I C CO M M ENTS A ND RES PONSES: Submi t copi es of wr i t t en p ubl i c comment s made dur i ng t he n ot i ce pe r i od a nd a t t he p ubl i c hea r i ng. Al so submi t anywr i t t en r esponse s pr epar ed b y t he Di st r i ct st aff or pr esent ed t o t he Di st r i ct Boar d att he p ubl i c hea r i ng. A summa ry of t he p ubl i c comment s and r esponse s i s ade quat e. I f t her e wer e no commen t s made du ring the no tice pe riod or at the he arin g, p lea s e in dic ate N /A to the left.CAL I FO RNI A AI R RESO URCES BOARD SI P CO M PL ETENESS CHEC KL I ST

(E lec tronic Fo rma t)

TE CHN I CA L M A TE RI A LS

Not At tac he d At tac he d N /A (X) ( ) ( ) R U L E E V A L U A T I O N F O R M: Se e i nst r uct i ons f or c om ple ting the R ule Ev al ua t i on F or m a nd t he a cc om pa ny i ng s am pl e f or m. ( ) ( ) ( X) NON- EPA TE S T M E T H ODS: A ttac h all tes t m eth od s tha t are refe ren c ed in y our r ul e t hatdo notapp ear in 40 CFR 51, 60, 61, 63, or hav e no t bee n pr ev i ousl y s ubmit t ed t o EPA

. EPA met hods used i n ot her medi a such as SW 846 for

sol i d wast e ar e no t aut omat i cal l y app r ov ed for ai r pol l ut i on ap plic atio ns
. S ub m itt al o ft e s t me tho ds tha t are n ot E P A -ap pro ved sh ou ld i ncl ude t he i nfor mat i on a nd fol l ow t he pr ocedur e descr i bed i n Regi on 9 ’ s “ Test M eth od R evie w & E valu atio n P roc es s .” ( ) ( ) ( X) M O DE L I NG S UP PO RT : P rovid e if ap pro pria te. In ge ne ral, mo de ling su pp ort i s notr equi r ed for

VOC and NOx r ules to d eter mi ne t hei r i mpact s on oz one l ev el s. Mo del i ng i s r equi red wher e a r ul e i s a r el axat i on t hataf fect s l ar ge sour ces ( > 1 00 T PY) i n an at t ai nmentar ea for SO2, di rec t l y emi t t ed PM10, CO, or NOx ( for NO2 pur poses)

. I n case s wher e EPA i s conce r ned wit h t he im pa c t on air qu ality ofrule revis ion s w hic h rela x limits o r c a u s e a sh ift in emi ssi on pat t er ns in a nonat t ai nmentar ea, a r efer ence back t o t he a ppr ov ed SI P wil l be suff i ci entpr ov i ded t he a ppr ov ed S IP a c count s fo r t he r el axat i on and pr ov i ded t he a ppr ov ed SI P used t he cu r r entEPA mode l i ng g ui del i nes. I f cu r r entEPA mode l i ng g ui del i nes wer e no t used , t hen new mode l i ng ma y be r equi r ed. ( ) ( ) ( X) ECONO M I C A N D T E C H NI CA L JU STI FI CA TI ON FO R DEVI A TI ONS FR OM EPAPOL I CI ES : The Di st r i ct sta ff r eport orot her i nfor mat i on i ncl uded wit h t he submi t t al shou l d di scuss al l pot ent i al r el axat i ons ordev i at i ons f r om RACT, RACM, BACT , BACM , en f or ce ab i l i t y , a t t ai nm en t , RF P, o r o t he r r el ev an t EPA r equi r ement s. T hi s i ncl udes, fo r examp l e, demo nst r at i ng t hatexemp t i ons o r emi ssi on l i mi t s l ess st r i ngentth an t he p r esumpt i v e RACT ( e. g. , a CTG) meet EP A’s 5 pe r centpol i cy , and demo nst r at i ng t hatal l sour ce cat egor i es exempt ed f r om a RAC M/ BA CM r ul e ar e de mi ni mus acco r di ng t o E P A ’s R A C M /B A C M po licy. (X) ( ) ( ) A DDITI ONA L M A TE RI A LS : Pr ov i de Di st r i ct st aff r eport s and anyot her s up po rti ng inf orm atio n c on c ern ing de velo pm en t of th e rule or r ule change s. T hi s i nfor mat i on sh oul d exp l ai n t he b asi s for al l l i mi t s and t hr eshol ds con t ai ned i n t he r ul e.CA L I FORNI A A I R RE S OURCES B OARD 

## A PC D/ AQM D RU LE EVA LU A TI ON F OR M – Pag e 1 (E lectroni c F or mat) I. GE N E R A L I N F OR M A TI ON
D i st r i ct : Y ol o- Sol ano Ai r Q ual i t y M anage m ent D i st r i ct
R ul e No( s) : 2. 37 D at e Adopt ed/ Am ended / R esci nded: Am ended Apr i l 8, 200 9
T i t l e: N atural G as -F i red W ater H ea t ers an d S m al l B oi l ers
D at e Subm i t t ed t o AR B: Apr i l 28, 200 9
I fAm ended R ul e( s) , D at e La st Am ended orAdopt ed: Adopt ed Novem ber9, 199 4
I s t he R ul e I nten de d t o b e s en t t o U

. S

. E P A as a S I P R evi s i on ? Ye s (X ) No ( ) (I f N o, do not

com pl et e r

em ainder

of f o r m)
D i s t ri c t C on t ac t : M att Jo ne s Ph on e N um be r: (530 ) 757 -36 68 e-m ai l A dd res s : m j on es @ y s aq m d.org
N arrati ve S um m ary of N ew R ul e o r R ul e C ha ng es : N ew R ul e () Am en de d R ul e (X ) T he a m ended R ul e 2. 37 e xpande d t he sco pe o fwat er hea t er uni t s app l i cabl e un dert he r ul e byr egul at i ng u ni t s wi t h r at ed h eat i nput capa ci t i es up t o 1, 000, 000 Br i t i sh t her m al uni t s perhou r ( Bt u/ hr )

. W at er hea t er uni t s wer e cat egor i z ed b y t hei r r at ed h eat i n p u t c a p a c i ty a n d N O x e m i s s i o n l i m i ts fo r e a c h o f th e c a te g o rie s w e re e s ta b l i s h e d

. A m e n d m e n ts a l s o i n c l u d e d a re v i s i o n to t h e e x e m p t i o n f o r p o o l / s p a h e a t e r s b y r e g u l a t i n g u n i t s wi t h r a t e d h e a t i n p u t c a p a c i t i e s g r e a t e r t h a n 4 0 0 , 0 0 0 Bt u/ hr but l ess t ha n1 , 00 0,00 0 B t u/hr.
P ol l utan t (s) R eg ul ated by t he R ul e (C he c k ): R O G ( ) N O x (X ) S O 2 ( ) C O ( ) P M (X ) T A C ( ) (n a m e ):
I
. E FF E CT ON E M I S S I ONS C om pl et e this section O N LY f or rul es that, w hen im pl em ent ed, w i ll resul t in qu antif

iabl e cha nges in em issions. At t ach ref erence( s) f or em ission f

act or ( s) andother

inf or m ation. At t ach ca l culation sh eet showing h owthe e m ission i nf or m ation pr ovi ded beloww as de t er m ined. N et E ffec t on E m i s s i on s : I nc rea s e ( ) D ec rea s e (X ) N / A ( ) E m i s s i o n Re d u c t i o n Co m m i t m e n t i n S I P f o r t h i s S o u r c e Ca t e g o r y : 1

. 3 9 1 2 t p d NOx I n v e n t o r y Y e a r Us e d t o Ca l c u l a t e Ch a n g e s i n E m i s s i o n s : 2 0 0 6 A r e a A ff e c t e d : S FN A Fut ur e Y earC ont r ol Pr of i l e Est i m at e (Provi de i nf or m ation o n as m any ye ar s as possi

bl e) : Based on Heal t h Depar t m ent l i st of r est aur ant s i n t he Di st r i ct ' s ei ght coun t y ar ea, t her e ar e ap pr oxi m at el y 150 r est aur ant s t hat ar e i m pact ed b y t he a d o p ti o n o f R u l e 4 6 9 2

. T h e o v e ra l l p e rc e n t re d u c ti o n fro m s o u rc e s p e c i fic b a s e l i n e p e r ye a r i s a p p ro x i m a te l y 8 3 p e rc e n t.CA L I FORNI A A I R RE S OURCES B OARD 

## A PC D/ AQM D RU LE EVA LU A TI ON F OR M - Pag e 2 (E lectroni c F or mat)
B a s e l i n e I n v e n t o r y i n t h e S I P f o r t h e Co n t r o l Me a s u r e : 1

. 2 9 1 8 t p d NOx Em i ssi ons Reduct i on Com m i t m ent i n t he SI P f or t he Cont r ol M easur e: 0

. 2403 t pd NO x as of201 8 R e v i s e d B a s e l i n e In v e n to ry (i f a n y ): N /A R e v i s e d E m i s s i o n R e d u c ti o n E s ti m a te (i f d e v e l o p e d ): N /A N ot e that

the d istr

i ct ’ s input t o the Rul e Eval uation For m w i ll not be used as i

nput t o the AR B’

s em ission f

orecasting a nd planni ng. III
. S OURCES / A TTA I NM E NT S TA TUS D i s t ri c t i s : Att ai nm en t ( ) N on att ai nm en t (X ) S pl i t ( ) Appr oxi m at e T ot al N um berof Sm al l ( <100 T PY) Sour ces Aff ect ed b y t hi s Am endm ent : T hi s r ul e am endm ent wi l l be appl i ed a t t he p oi nt of sal e whi ch r est r i ct s m anuf act ur er s, di st r i but or s, r et ai l er s, and cont r act or s f r om sel l i ng o r i nst al l i ng non- com pl i ant uni t s f or use i n ou r D i st r i ct

. T her e ar e ap pr oxi m at el y 59, 504 r esi dences i n t he Di st r i ct t hat use nat ur al gas f orwa t erh ea t i ng t ha t wo ul d be a pp l i ca bl e t o t he r ul e. The n um be r o fc om m er ci al u ni t s su bj ec t t o t he r ul e i s un kno wn si nce t hi s sour ce i s cur r ent l y unr egul at ed. T he e m i ssi ons a t t r i but ed t o t he so ur ce ar e aco unt ed f or i n t he a r ea so ur ce in v e n to r y. Per cent i n Nonat t ai nm ent Ar ea: 1 00% N um be r o fL ar ge ( > 10 0 T PY ) So ur ce s C on t r ol l ed : Non e Pe r ce nt i n N on at t ai nm en t Ar ea : N/ A% N a m e ( s ) a n d L o c a tio n ( s ) ( c ity a n d c o u n ty) o fL a r g e ( > 1 0 0 T P Y ) S o u r c e s C o n tr o lle d b y R u le ( At t ach a ddi tional

shee t s as necessar

y) : N /A I V
. E M I S S I ON R E D U C TI ON T E C H N OL OGY D oe s t he R ul e I nc l ud e E m i s s i on Li m i t s t ha t are C on t i nu ou s ? Ye s (X ) N o ( ) I fY es, T hose Li m i t s ar e i n Sect i on( s) 301 of t he Rul e. O th e r M e th o d s i n th e R u l e fo r A c h i e v i n g E m i s s i o n R e d u c ti o n s a re : N /A V. OTHE R RE QUI RE M E NT S T he Rul e Cont ai ns: E m i s s i o n L i m i ts i n S e c ti o n (s ): 3 0 1 W o rk P ra c ti c e S ta n d a rd s i n S e c ti o n (s ): N /A R ecor dkeepi ng Requi r em ent s i n Sect i on( s) : 400 & 500 R epor t i ng Requi r em ent s i n Sect i on( s) : 400 & 500CA L I FORNI A A I R RE S OURCES B OARD 

## A PC D/ AQM D RU LE EVA LU A TI ON F OR M - Pag e 3 (E lectroni c F or mat)
V I
. I M P AC T O N AI R Q U AL I T Y P L AN No I m p a c t ( ) I m p a c t s RF P ( ) I m p a c t s a t t a i n m e n t ( X) D i scussi on: T he new r ul e i s expect ed t o r esul t i n em i ssi on r educt i ons of 0. 4976 t pd of N O x by 201 8. R educt i ons i n NO x and seconda r y PM w i l l hel p t he Basi n achi ev e st at e and f eder al R FP re qui r em ent s and f ur t herpr ogr ess t owar d at t ai nm ent of oz one and PM 2. 5 st andar ds.

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## RULE 2.37 NATURAL GAS-F IRED WATER HEATE RS AND SMALL BOIL ERS

AD OP TED November

9, 1994 RE VI SED April 8, 2009 IN DE X 100 GENERAL 10 1 PURPOS E 102 APPL I CABIL I TY 103 SEVERABIL I TY 110 EXEMPTI ONS 200 DEF INITIONS 201 BRI TI SH THERMALUNI T (B TU) 202 HEAT I

NPUT 203 HEAT OU TPUT 204 LARGE WATER HEATER 20 5 MO B IL E H OM E WA TE R H EA TE R 206 NATURAL

GAS 207 POOL/ SP A HEATE R 208 RATED HEATI

NPUT CAPACI TY 209 SMAL LBO IL ER 210 SMAL LWATER HEATER 211 TANKLESS W ATER HEATER 212 WATER HEATER 300 STANDARDS 301 PROHIBI TI ONS 40 0 AD M IN ISTR

AT IV E REQU IREM EN TS 40 1 CO MPLIAN CE REPO RT 402 LAB EL I

NG 500 MONITORINGAND RECORD S 501 TEST METHODS 502 RECORDS

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## 100 GENERAL 101 P URP OSE: The purposeof this Rule is to limit the emissions of ox ides of nitrog en (N Ox) from t

heus e of natura l g a s- fi re d w ate r h e ate rs . 102 AP P LICABILIT Y: The provi sions of this Rule shall apply to any person that manu fa c ture s, of

fe rs fo r sa le , s e lls , o r i ns ta lls any natura l g a s- fi re d w ate r h e ate r w ith a ra t ed heat input capac ity less than 1,000,000 B ritish Thermal Units per hour (B tu/hr). 103 SEV ER

AB ILI TY : I f any

provision, clause, se ntence , paragraph, se ction or par t of this rule for a

ny rea son is judged to beunconstitutional or invalid, such judge ment shall not affe ct or invalidatethe re mainder of the rule. 110 EX EM P TIO NS: The provisions of this Rule shall not apply to: 110.1 Water heaters with a rated he at input of 1,000,000 Btu/hr or greater. 11 0. 2 Wat e r h e ate rs us e d in re c re atio na l ve hic le s. 11 0. 3 Wat e r h e ate rs used to h e at po ols /sp a s w itha rate d h e at in

put c a pa c ity le ss than or e qual to 400,000 Btu/hr. 200 DEF INITIONS 201 BRITIS H THE RMAL UN IT (BTU): The amountof heat require d to raise the temperature of onepound of water from 59 E F to 60 E F at one atmosphere

. 202 HEA T IN P UT : The a ctual amount o f h eat r elea sed by natura l ga s burned in the water heate r. 203 HEA T OU TP UT : The produc t obtained by multipl ying the rec overy eff iciency, as define d by

Title 10, of the Code of F ederal Regulation, S ec t i o n6.1.3, Part 430, Subpart B, A

ppendix E, by

the input ratingof the water he ater
. 204 LARGE WATER HE ATER: A n atural g as-f ired water he ater

with a rated heat input capac ity

rang ing f rom 75,000 - 400,000 B tu/hour. 205 MOBILE H OME WATER HEAT ER: A natural gas-fired water he ater manufa cture d exclusively for usein a mobile home. 206 NA TU RAL GAS: A m ix ture of g aseous hydroca rbons containingat least 80 pe rce nt methane by

volume as dete rmined ac cordingto ASTM Test Method D1945-03. 207 P OOL / SP A H EA TER : A device through which water is heate d when pool or spa water circ ulates through a heat exchang er. 208 R A TE D HE A T I N P U T C A P A CITY: T h e heat input capac ity specifie d on the nameplate of the combustion unit. I f the combustion unit has bee n phy sically altere d or modif ie d s uc h that its maximum heat input is dif ferent t ha n th e he at in

put c a pa c ity

### Y ol o- S ol an o A Q MD

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## specifie d on the nameplate , the new max imum heat input shall be considere d as the r at e d h e ati np utc a

p a c i ty. 209 SMALL BOILER: A n atura l g a s- fi re d w ate r h e ate r w itha rate d h e at in

put c a pa c ity greater than 400,000 but less than 1,000,000 B tu/hour (1 MM Btu/hr)

. 210 SMALL WATER HE ATER: A natural gas -f i red w ater

heate r with a rated heat input capac ity

less than 75,000 B TU/hour. 211 TANK

LES S WATER HE ATER: A wate r h ea t i n g devicethat does not use a storag e tank to hold heated wate r. An e lectric ignition source is use d to initiate water he atin gand

the n n atura l g a s is int

ro du c e d to fu e l fur

the r co mbu sti on us ingmul tip le modulating bur

ners to heat water

on demand. 212 WATER HEATE R: A device that heats water at a thermostatica lly-controlled te mpe rature inc ludingsto rag e tank and tankle ss u

nit s. 300 STANDARDS 301 P ROHIBIT IONS: No pe rson s hall manufa cture , offe r for sale, sell, or install any natura l ga s fired w ater heate r with oxides of nitrog en (NOx) emissions in ex cess of thelim its se t f

or th i n th e c omp lia

nc e sc he du leindic ate d b e low : Cate gory Rate d Heat

In p u t C ap ac ity (Btu/hour ) NOxE mission

L imi t Eff ective 5/31/1 995
- 12/31 /2009 NOxE mission

L imi t Eff ective 1/1/20 10
- 12/31 /2013 NOxE mission

L imi t Eff ective 1/1/20 14
Sm all w ater he at er < 7 5, 00 0 40 ng/J 10ng/J or 15 ppm N Ox
2 

### @3 % O dry 10ng/J or

15 ppm N Ox
2 

### @3 % O dry Larg e w ater heater 75, 000

-

400, 000 No present

st an dard 40 ng/J o r

55 ppm N Ox
2 

### @3 % O dry 14ng/J or

20 ppm N Ox
2 

### @3 % O dry Sm all bo iler > 40 0,0 00

-

< 1,0 00, 000 No present

st an dard 20ng/J or

30 ppm N Ox
2 

### @3 % O dry 14ng/J or

20 ppm N Ox
2 

### @3 % O dry Mo bi le hom e w ater heater A ll No present st an dard 40ng/J or

55 ppm N Ox
2 

### @3 % O dry 40ng/J or

55 ppm N Ox
2 

### @3 % O dry Poo l/spa heater > 40 0,0 00

-

< 1,0 00, 000 No present

st an dard 40ng/J or

55 ppm N Ox
2 

### @3 % O dry 14ng/J or

20 ppm N Ox
2 

### @3 % O dry

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## 40 0 AD M IN ISTR

AT IV E REQU IREM EN TS 401 CO MPLI AN CE RE P OR T: A manufa cture r shall submit to the Air Pollution Control Office r a ComplianceReport that demonstrate s compliancewith Se c ti on 301 of this Rule for ea ch water he ater model subject to the provi s i o n s of this Rule. A ma nufacturer

sh all subm ita newcompl ian ce rep ortfor any wat er he ate r m od el who se design is c hang ed in a

ny manner which may

alter N Ox emis sions. These Compliance Repo rt s, fo r e ith e r ne w or a lte re d mod e ls, sh a ll be su bmi tte d to theDi stric t at le a st 30 days before the water he ater model is offered for

sale, sold, or installed within the District. The c ompliance Repor t shall contain all the followinginformation: 401.1 G e ne r al I nfor m at ion : a. Name a

nd addre ss of manufa cture r; b. B ra

nd nameand

mod e l; c. Model number as it appea rs on the rating plate of each water he ater ; d. Desc ription of eac h water heate r model beingcer

tified; and e. He ati np utrat i n g. 401.2 Test Re port: a. All compliance te st procedures and results for ea ch water he ater model; and b. All calculations for deter mining complianc e of eac hwater heate r mod e l. c. The manuf

actur er ma

y submit to the District an a pproved B ay

Are a AQMD Regulation 9 Rule 6 or Sou th C oast AQMD Rule 1121 or 1146.2 cer

tification in lieu of condu ct i ngduplicative complianc e te sts
. 401.3 Com plian ce Stat em ent: A signe d and dated statement attest i n g t o the a c c ur a c y of a ll s tate me nts and

inf or matio n in theCom pli anc e Repo rt
. 402 LA BE LI NG: The manuf actur er shall displ ay

the model number of

the water heater complying w ith the require ments specifie d in Section 301 of this Rule on the wate r heate r shipping c arton a

nd ratingplate. 500 MONITORINGAND RECORD S 501 TEST M ETHO DS: Th e manu fa c ture r s ha ll h avee a c h wate r he ate r mod e l te ste d in ac co rd an ce wi thth e f

o l l o wi n g: 501.1 Eac h tested water he ater shall be operated in accordance with Section 2.4 of theAm eri can N ati on al S tan dard s Ins ti tute ANS IZ21. 10 .1 ,1 99 0 a t no rm al te st pressure , input rates, and with a five-foot ex haust stack inst alled duringNOx e mis sio ns te sts
. 50 1. 2 Th e me a sure me nt o f N Ox e mis sio ns sh a ll be c on du c te d in a c c orda nc e wi th the EPA R ef

ere nce T est Method 7E (40 CF R 60, AppendixA). The

2 

## deter mination of CO shall be conducted in acc ordanc e with EP A Refe renc e Test Method 3A (40 CF R 60, Appendix A)

. Other methods requireapproval by the Air Pollution C ontrol Offic er a nd the U.S. EPA.

### Y ol o- S ol an o A Q MD

Ado pted Nov em

ber 9 , 1 994 Rev ised A

pril 8, 20 09 Reg . I I , R ule 2 .37 , P ag e 5 

## 50 1. 3 Th e fo llo wi ng proc e dure sh a ll be us e d to c a lc ulatetheNO x emi ssi on s r atein ng/J (lb /B TU ) o f h e at output: N = 4

. 5 6 6 x 1 0 x P x U 4 

## Hx C x E wher e: N = NOx emission rate in na nograms of N Ox emitted per joule of heat output.

= 4. 56 6 x 10 un it c onve rs ion fa c tor (p pm to na no gra ms and B tu t o 4 

## jou le s) P = Concentration of NOx i nthe flue g as in parts pe r

milli on (volume)
2 

## U = Dry

volume perc ent of C O in flue g as nec essar y for stoichiometric combustion H = Gross heating va lue of the g as, B tu/ft (at 60 E F a nd 30 3 

## i nHg)
2 

## C = Dry

volume perc ent of CO in flue g as E = Recove ry

eff iciency , perc entag e, as de fin e d in Sec tion 6.1.3 of the Code of Federal Regulation, Title 10, Part 430, Subpart B, A

ppendix E. 50 1. 4 A manu fa c ture r that ha s c e rtif ie d a wate r he ate r mod e l t o d emonstrate compliance with a State or local ag ency rule that mee ts the require ments of this Rul e may

submit th e t es t results to the District in lieu of conducting d u p l i cat i v e t es t i n g. 502 RE CO RD S: A manufa cture r shall keep Compli an ce R eports, test reports, and compliancestatements for a s long a s the wate r heater model is offe red f or sale, sold, or installed within the District, or for five year s, whicheve r is longer.