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~ RULE 202E.xe®tionsAny authority to constrt±ct or a permit to operate 

s'.a1 not. bereqsired for: 

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a. Vehicles as defined by the Vehicle Code of the State of California 

. but not including any article, ciachine, eaui=ent or otiier contrivastcE mounted on such vehicle *hat w ~ould other..-ise require a permi.t 

under the provasions of these rules and rzgulations. 

b. Vehicles used to Lransport passengers or freight. 

c. Equi.pwent utilized e:cclusively in cors:ection with any struct.i.:e, 

kfiich stru:.ture is desio ed for 2nd ::sad exclusively as a d ~elling 

for not nore than four f2yilies. ; 

d. The follow-ino equipment: 

1. Comfort ui.r conditionirig or co,:.fort ventilating systeras Vhich 

are not desigr ed to re:nove air contatainznts generated b} or released from specific units or eqaipment. 

2. Refrigeration un=ts except those used as, or in conjunction 

with, air pollution control equipment. 

3. Piston type internal cor•:bustion er.gines with ` rating of 500 

brake horsepower or less, all interr:al combustion engines used 

for agriculturai operations necessary for the growi:?e of crca s, 

or the raising of fowl or animzls. A11 internal ccr:oustior 

er.gines not attached to a stationary found3tion are also exPmpt. 

Adopted 12-15-80, becc:nes effective 4-15-81. 

4. Water coolino towers and ti;ater cool.ing por.ds not used for 

evaporative cooling of water from baroa:etric jets or from 

barometric cor.densers. 

5. Equipment used exclusively for stean cleanino. 

6. Presses used exclusively for extruding metals, minerals, 

plastics*or wood. 

7. Equiprent uszd exclusively for space heating, other than boilers 

8. Equipment used for hydraulic or hLydrestatic testir.o. 
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9. Equipment used in eating establishments for the purpose of 

prepari ng food for hu:nan consi tion. 

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' 10. Equipment used exclusively to corTmress or hold dry natural gas. 

11. Crucible-type or pot-type furnaces with a brimful capacity of 

less than 450 cubic inches of any molten metal. 

12. Batch mixers of five cubic feet rated wo:king cmacity or less. 

13. Smokehouses in which the m axim+m horizontal inside'cross-sectio 

area does not exceed 20 square feet. 

14. Air Resources Board approved orchard heaters. ~ 

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e. The followin ; equipment or any exhaust svstem or collector serving 

exclusively such equipment: ~ 

1. Laboratory equip:nent used exclusively for chemical or physical 

analyses and bench scale laboratory equipment. 

2. Brazir.g, soldering or welding equipment. 

3. Ovens, mixers, and blenders used in bakeries w':iere the products 

are edible and intended for hur.an consucrotion. 

4. Equip:aent used eaclusively fcr forging, pressing, ro3ling, or 

drawing of inetals or for heating metals iuruediately prior to 

- forging, pressing, rolling or drawin;. 

5. Equip7*~ ent using aqueous solutior.s =o r surface preparation, 

cleaning, strippin;;, etchin; (coes not include chemical riillir.g), or the electrolytic plating y-ith electrolytic polishinb. 

or the electrolytic stripping of bronz.e, braas, cadnit=, 

copper, iron, lead, nickel,'tir., zinc, and prrcieus metals. 

6. Equipment used for washing or drying products fabricated from 

metal, cloth, fabric, or glass, provided that no organic materials are used in the process and that no oil or solid fuel 

is burned. 

7. Equipment used for coacpression molding and injection molding 

of plastics. 

8. Vacuum producing devices used in laboratory operations or in 

connection with other equipment which is exempt by Rule 201. 

9. Equipnent used for noncocmnercial buffing (except autonatic or 

semi-automatic tire buffers) or polishino, carving, cutting, 

drilling, machining, routing, sandins, sawing, surface grinding or turning of ceramic artwork. ceracaic piecision parts, 

leather, metals, plastics, rubber, fiberboard, masonry, 

asbestos, carbon or graphite. 

10. Equipment used for noncorm-ercial carving, cutting, drilling, 

surface grinding, plar.ing, routing, sanding, sawing, shredding, or turning of wood, or the pressing or storing of sawdust, wood chips or wood shavings. 

11. Laundry driers, extractors, or tumblers used for fabrics 

cleaned only with water solutions of bleach or detergents. 

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f. Stea_m generators, steam superheaters, water boilers, water 

heaters, and closed heat trar.sfer syster^s that have a raaxilnun 

heat imput rate of less thar. 35,000,000 BTU/tir. (gross) and 

are fired exclusively with natural gas or liquified petroleum 

gas or combination thereof. Adopted 12-15-80, becomes effective 

4-15-81. 

' g. tdatural draft hoods, natural draft stacks or natural draf:t ventilat, 

h. Containers, reservoirs, or tanks used exclusively for: 

1. "Dipping operations for coating objects with oils, waxes, or 

greases where no organic solvents, diluents, or thinners are us , 

2. Dipping operations for applying coatings of natural or syntheti 

resins which contain no organic solvents. 

3. Storage of liquefied gases. 

4. Equipment used exclusively for the transfer of less than 75,700 

liters (20,000 gallons) per day or equipment used exclusively 

- for the storage of the following: 

(a) Unheated organic materials with an initial boiling point 

. of 150 0 C(302 °F) or greater. 

(b) Fuel oils with 0.9042 specific gravity or higher (25 °API 

or louer). 

(c) Fuel oils with 0.8251 specific gravity or higher (400A.PI 

or lower) and having a capacity of 151,500'liters (40,000 

gallons) or less. 

5. Equipment used exclusively for the storage and transfer of 

refined lubricating oils. 

6. Unheated, non-conveyorized, non-agitated solvent rinsing 

containers and unheated non-conveyorized co:+ting dip t.:nks, 

with an open surface area of less than 1.0 square c:eter (10.8 

square feet).and unhested conveyorized coating dip tanks•with 

an open surface arca of less thzn 2.0 square meters (21.5 squar 

feet). 

7. Transportinb r..aterials on streets or hibh:,ays 

8. Storage nf gasoline in tank:: a.;.ing c capacity of 2,000 gallons 

or less which were in,ta:ted be:ore .;Liy 1, 1975. 

9. Storage of Rasoline in ranks havin; a capacity of 250 Eallons oi 

less. 

i. Self-propellc•d mobile coastructi-)n equipaiznt other than pave:nent 

burne rs . 

j. :•1obi1 agricLltural implrcei:ts usec: ;n aaricultLral oi ~ ra ~ ions. 

.k. Vacuura cleaning systems used exclusively for ind3strial, com:nercial or residential housekPepir.g purposes. 
l. Repairs or maintenance not in:•olvin; dcsio changes to any 

~ equipment for x,rh.ich a permit has bee:: g_anted. 

m. Identicsl replacements in c.~ole or in part of sny equipxent 

where a per-r...it to operace ha.s previously been granted for such 

equipment. 

n. Other seurces of irinor significance -%Adch may be specified by the 

air pollution control offic2r: 

F.ULE 202.1 Experir;,e-:ta1 Research Operati.ons The Contr ci Officer r.:ay 

exempL fro:i the reQuire^en:s o:' ncguiation .[I ext,eri:^enLal :'e.ie-:rci1 ope:"at2.^rns 

if the follo::ing requirements are met. Failure to satisfy ar:y of these requirements will result in the revocation of an exemFtion and ree4ire -ccmpliaricP with 

the requirements of Regulation II. 

a. The purpcse of t::e operation is to permiL investigation, experie-entation 

or research to advance t: e state of knowiedse or the state of art 

of a particular control technology or i*dustrial proc:ss; 

b. The Control Officer is notified, in writir.g, of t;:e Furpose, E,aals 

and objectives of the project, T;:easures to be ta::?n to minimize 

the emission of air contaminants, the rrorosecl installation date, 

• the plar.ned startup c'ate, t;e expected duration uf the test and 

test schedules; 

~ C. The cumulative total days of operatlon will not exceed 180. If 

the applicant ir.tends to continue eper3tion of the tec;:.^.ologr or 

process for more tnan 180 c'3yn, a ccmplisr.ce srhell-lie for obtaining 

' necessary rer.aits under Re;ulation iI : i:all be est351isnzd by the 

Control Officer; 

d. Official test results (if the proPct ir.volves 3ir p=1lution control I 

devices) are sutmitted to the District, in s•rriti:,r and in final 

form, no zr:ore than sixty (60) days after each tt:st seque.^.ce is corplete; 

e. Tac Control Off:cer has Frants.d rr- :r .aritten ap.•roval. 

For the purp-isos of L} i.s rule, nFx,7E'r_".en!:tl r•` .e?rc!i c=.(:r'3tions" include 

s::y air ;-Aluticn cci:troi d°_vice or v:' -''&V pr•,^,cess or 

, ~ - r i ';^ r~ ♦ ~ ~~ .n tECh ..lc:r;; which s a)i. ..:~ . stiv:., Gi n~ :n c: .._..... ~.rc : ~ : ; r ~ rticular 

cr• c 1 .:ot r=adily ?e fron :: cr=:~r•r..: i: .:;.;~ :li ~•: .