DAR File No. 38997 

The requirements of this rule apply to the MPO that ·s 

respo ible for demonstrating transportation conformity ith 

the Uta County portion of Section IX, Part A of t SIP. 

There are o requirements in this rule that will hav a fiscal 

impact on b 

THE FULL TE OF THIS RULE MAY B 

DURING REGULA BUSINESS HOURS, 

ENVIRON NTAL QUALITY 

AIR QUALIT 

FOURTH FLOO 

195 N 1950 W 

SALT LAKE CITY, U 

or at the Division of 

DIRECT QUESTIONS R ARDIN JHIS RULE TO: 

+ Mark Berger by pho e at 801-536 000, by FAX at 801-

536-0085, or by Inter et E-mail at mberg r@utah.gov 

SONS MAY PRESENT EIR VIEWS ON 

SUBMITIING WRITIEN C MENTS NO 

AT 5:00 PM ON 02/02/2015 

HORIZED BY: Bryce Bird, Director 

R307. Environmental Quality, Air Quality. 

R307-311. Utah County: Trading of Emission Budgets for 

Transportation Conformity. 

R307-311-1. Purpose. 

This rule establishes the procedures that may be used to 

trade a portion of the primarv PM I 0 budget when demonstrating that a 

transportation plan transportation improvement program or project 

conforms with the motor vehicle emission budgets in the Utah County 

portion of Section TX. Part A of the State Implementation Plan. "Fine 

Particulate Matter (PM I 0)" 

R307-311-2. Definitions. 

The definitions contained in 40 CFR 93.101 effective as of 

the date referenced in R307-101-3 are incorporated into this rule by 

reference The following additional definitions apply to this rule 

"Budget" means the motor vehicle emission projections used 

in the attainment demonstration in the Utah County portion of Section. 

IX. Part A of the State Implementation Plan. "Fine Particulate Matter 

(PM!Ol." 

"NOx" means oxides of nitrogen. 

"Primary PMIO" means PMIO that is emitted directly by a 

source. Primary PM I 0 does not include particulate matter that is 

formed when gaseous emissions undergo chemical reactions in the 

ambient air 

"Transportation Conformitv" means a demonstration that a 

transportation plan. transportation improvement program or project 

conforms with the emissions budgets in a state implementation plan as 

outlined in 40 CFR. Chapter I. Part 93. "Determining Confo1mity of 

Federal Actions to State or Federal Implementation Plans. " 

UTAH STATE BULLETIN, January 01 , 2015, Vol. 2015, No. I 

NOTICES OF PROPOSED RULES 

R307-311-3. Applicability. 

(I) This rule applies to agencies responsible for 

demonstrating transportation conformity with the Utah County portion 

of Section TX Part A of the State Implementation Plan. "Fine 

Particulate Matter <PM IQ) " 

(2) This rule does not apply to emission budgets from_ 

Section IX. Part C.6 of the State Implementation Plan "Carbon 

Monoxide Maintenance Plan." 

R307-311-4. Trading Between Emission Budgets. 

(I) The agencies responsible for demonstratine. 

transportation conformity are authorized to supplement the budget for 

NOx with a portion of the budget for primary PM I 0 for the purpose of 

demonstrating transportation conformity for NOx. The NOx budget 

shall be supplemented using the following procedures 

(a) The metropolitan planning organization shall include the 

following information in the transportation confonnity demonstration: 

(i) The budget for primary PMIO and NOx for each 

required year of the conformity demonstration. before trading allowed 

by this rule has been applied· 

(ii) The portion of the primary PM I 0 budget that will be 

used to supplement the NOx budget specified in tons per day using a. 

I· J ratio of primary PM I 0 to NOx for each required year of the 

conformity demonstration: 

(iii) The remainder of the primary PMIO budget that will be 

used in the confonnity demonstration for primarv PMIO. specified in 

tons per day for each required year of the conformity demonstration:. 

ruill 

(iv) The budget for primary PMIO and NOx for each 

required year of the conformity demonstration after the trading 

allowed by this rule has been applied, 

(b) Transportation conformity for NOx shall be 

demonstrated using the NOx budget supplemented by a portion of the 

primarv PM I 0 budget as described in (a)(ii). Transportation 

conformity for primary PM I 0 shall be demonstrated using the 

remainder of the primary PMIO budget described in (a)(iii) 

(c) The primary PM I 0 budget shall not be supplemented by 

using a pmtion of the NOx budget. 

KEY: air pollution. transportation conformity. PMlO 

Date of Enactment or Last Substantive Amendment: 2015 

Authorizing. and Implemented or Interpreted Law: 19-2-104 

ealth, Health Care Financin , 

Cover e And Reimburseme Policy 

R414-19A 

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