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Citation: 37 Fed. Reg. 15086 1972

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### 15086 Inspection Divisionhasnotadopted regu- lations that provide for the degree of nitrogen oxides emission reduction attainable through the application ofrea- sonably available control technology. Subpart DD-Nevada 64. In §52.1470, paragraph (c) is added asfollows: §52.1470 Identification ofplan. * * * * * (c) Supplemental information was submitted onJune 12, 1972.

65. In §52.1473, paragraph (a) is amended by adding a second sentence asfollows: § 52.1473 General requirements.

(a) * * * In addition, Chapter 020.- 065 of the "Air Pollution Control Regulations" of theDistrict Board of Health of Washoe County in the Northwest Nevada Intrastate Region is disapproved since it contains provisions which re- strict the public availability of emission data as correlated with applicable emission limitations and other control measures.

66. In §52.1475, paragraph (b) is amended by adding a second sentence asfollows: 

### §52.1475 Control strategy and regulations: Sulfuroxides.
* * * * * (b) * * * Article 8.1.3 is approved for attainment and maintenance of the primary standards intheNevada Intrastate Region.

67. In §52.1477, paragraph (a) is re- vised and paragraph (b) is added. As amended, §52.1477 reads as follows: 

### § 52.1477 Prevention of air pollution emergency episodes. (a) The requirements of §51.16(b) (3) of this chapter are not met since the State ofNevada lacks adequate legal au- thority to enforce episode emission con- trol actions. In addition, the emission control actions in the plan do not prohibitopenburning during episode stages.

(b) The requirements of §51.16(c) (1) of this chapter are not met since the State ofNevada lacks adequate legal au- thority to enforce specific emission con- trol action programs for stationary sources emitting 100 tons (90.7 metric tons) per year or more of any pollutant for which the Administrator has desig- nated significant harm levels under §51.16(a) ofthischapter.

68. Section 52.1478 is revised to read asfollows: 

### § 52.1478 Review of new sources and modifications. (a) The requirements of §51.1d(c) of this chapter are not met since the reg- ulationsforWashoe CountyintheNorthwest Nevada Intrastate Region and the regulations for Clark County in the Clark-Mohave Interstate Region do not RULES AND REGULATIONS
include legally enforceable means of disapprovingconstruction ormodification of a source ifit will interfere with attainment or maintenance of a national standard.

69. Section 52.1480 is revised to read
asfollows: 

### §52.1480 Attainmentdates for national standards. Thefollowing table presents the latest dates by which the national standards are to be attained. These dates reflect the information presented in Nevada's plan,exceptwhere noted.

. Pollutant Particulate Sulfur

matter oxides Photochemcal Air quality Pri- 5econ- Pr,- 5e-on- 11itrogen Carbon oxidants control region mary dary .ary dary dioxide ronoxido (ydrocnrbonO)
Clark-l1ohave

Interstate a a a a c aa Vorthv¢est Ilevada July July Intrastate 1975 1977 C C C C C

Nevada Intrastate July July 1975 1977 a b o c c

NoTE.-Dates or footnotes which are underlined are proposed by the Administrator because the plan does not provide a specific date or the date provided Is not acceptable,

a. Three yearsfromplan approval orpromulgation. b. Eighteen-month extension granted.
c. Airqualitylevels presentlybelowsecondary standards. d. Transportation and/or land use measures will be proposed by the Administrator no laterthanFebruary 15, 1973.

70. In Subpart DD, § 52.1481 is added § 52.1520 Identificationof plan.
as follows: * , , 

### §52.1481 Extensions.

£r tflLJAV 11u h.tSJ an~ J 18 months the statutory timetable for submittal oftheplan for attainment and maintenance of the secondary standards for sulfur oxides in the Nevada Intrastate Region. Subpart EE-New Hampshire 71. In §52.1520, paragraph (c) is re- vised to read as follows: 

### (c) Supplemental information was submitted onFebruary 23 and March 23, 1972, by the New Hampshire Air Pollution Control Agency. Subpart FF-New Jersey 72. The table in §52.1580 isrevised to read as follows: § 52.1580 Attainment dates for national standards. * * * * *
Pollutant

_ Air quality Particulate Sulfur Ritrogen Carbon Photochemlcal

control region matter oxides 

### dioxide monoxide oxidants Pri- Secon- Pri- secon- 

# i (hydrocarbons) mary Idar3 mary dary
lew Jersey-lew YorkConnecticut Interstate a c a C a b b ,etroiolitanPhiladelphia Interstate a c C b lortheast Pennsylvania-Upper Dela- wareValley Interstate a a d d a 

### A d fewJersey

Intrastate 

### d d d a d

* * * *tains the following control strategy

Subpart GG-New Mexico deficiencies: (1) The plan does not provide for 73. Section 52.1624 is'revised to read attainment and maintenance of the na- as follows: tional standards for sulfur oxides in

52.1624 Control strategy and regula. New Mexico's portion of the Four Cor- tons: Sulfuro ades, ners Interstate Region. (2) The plan does notprovide for at- (a) Therequirements of §51.13 ofthis tainment and maintenance of the see- chapter arenot met since theplan con- ondary standards for sulfur oxides In

FEDERAL REGISTER, VOL 37,- NO. 145-THURSDAY, JULY 27, 1972