DAR File No. 42115

Environmental Quality, Air Quality

Rule R307-510

Oil and Gas Industry: Natural Gas Engine Requirements

Change in Proposed Rule

DAR File No.: 42115
Filed: 01/04/2018 12:08:22 PM

RULE ANALYSIS

Purpose of the rule or reason for the change:

The Utah Air Quality Board proposed a new Rule R307-510 for public comment on 09/06/2017. A 45-day public comment period and two public hearings were held, during which the Division of Air Quality (DAQ) received comments that resulted in changes being made to the originally proposed rule. This rule is amended to reflect specific engine requirements that will allow sources to better understand the intent of the proposed engine requirements. The changes do not substantially change the proposed requirements.

Summary of the rule or change:

This change to the proposed rule clarifies specific engine requirements that will allow sources to better understand the intent of the proposed engine requirements. The changes do not substantially change the proposed requirements. (EDITOR'S NOTE: The original proposed new rule upon which this change in proposed rule (CPR) was based was published in the October 1, 2017, issue of the Utah State Bulletin, on page 81. Underlining in the rule below indicates text that has been added since the publication of the proposed new rule mentioned above; strike-out indicates text that has been deleted. You must view the CPR and the proposed new rule together to understand all of the changes that will be enforceable should the agency make this rule effective.)

Statutory or constitutional authorization for this rule:

• Subsection 19-2-104(1)(a)

Anticipated cost or savings to:

the state budget:

This change in proposed rule does not affect the original economic impact analysis.

local governments:

This change in proposed rule does not affect the original economic impact analysis.

small businesses:

This change in proposed rule does not affect the original economic impact analysis.

persons other than small businesses, businesses, or local governmental entities:

This change in proposed rule does not affect the original economic impact analysis.

Compliance costs for affected persons:

No additional compliance costs are expected for affected persons.

Comments by the department head on the fiscal impact the rule may have on businesses:

After thorough review, it has been determined that these changes will not affect the original analysis provided in the original proposed rule.

Alan Matheson, Executive Director

The full text of this rule may be inspected, during regular business hours, at the Office of Administrative Rules, or at:

Environmental Quality
Air QualityRoom Fourth Floor
195 N 1950 W
SALT LAKE CITY, UT 84116-3085

Direct questions regarding this rule to:

• Thomas Gunter at the above address, by phone at 801-536-4419, by FAX at , or by Internet E-mail at [email protected]

Interested persons may present their views on this rule by submitting written comments to the address above no later than 5:00 p.m. on:

This rule may become effective on:

03/02/2018

Authorized by:

Bryce Bird, Director

Appendix 1: Regulatory Impact Summary Table*

Fiscal Costs	FY 2018	FY 2019	FY 2020
State Government	$0	$0	$0
Local Government	$0	$0	$0
Small Businesses	$0	$0	$0
Non-Small Businesses	$0	$0	$0
Other Person	$0	$0	$0
Total Fiscal Costs:	$0	$0	$0
Fiscal Benefits
State Government	$0	$0	$0
Local Government	$0	$0	$0
Small Businesses	$0	$0	$0
Non-Small Businesses	$0	$0	$0
Other Persons	$0	$0	$0
Total Fiscal Benefits:	$0	$0	$0
Net Fiscal Benefits:	$0	$0	$0

*This table only includes fiscal impacts that could be measured. If there are inestimable fiscal impacts, they will not be included in this table. Inestimable impacts for State Government, Local Government, Small Businesses and Other Persons are described above. Inestimable impacts for Non - Small Businesses are described below.

 

Appendix 2: Regulatory Impact to Non - Small Businesses

 

The change in proposed rule does not affect the original economic impact analysis.

The Executive Director of the Department of Environmental Quality, Alan Matheson, has reviewed and approved this fiscal analysis.

 

 

R307. Environmental Quality, Air Quality.

R307-510. Oil and Gas Industry: Natural Gas Engine Requirements.

R307-510-1. Purpose.

R307-510 establishes control requirements for stationary engines associated with [oil and gas operations ]well sites.[to control emissions nitrogen oxide emissions.]

 

R307-510-2. Definitions.

"Site hp" means the total horse power rating of all engines within the boundaries of the source.

 

R307-510-[2]3. Applicability.

(1) R307-510 applies to each natural gas-fired engine at a well site as defined in 40 CFR 60.5430a, Subpart OOOOa Standards of Performance for Crude Oil and Natural Gas Production, Transmission and Distribution, that began operations, installed new engines, or made modifications to existing engines after January 1, 2016.

(2) R307-506 shall apply to centralized tank batteries, as defined in R307-506-2.

([a]3) R307-510 does not apply to a natural gas-fired engine that is subject to an approval order issued under R307-401-8.

 

R307-510-[3]4. Engine Requirements.

(1) Regardless of construction, reconstruction, or modification date, each stationary engine at a well site shall comply with the emission standards listed in Table 1 when the engine is installed, relocated, or modified.[40 CFR Subpart JJJJ when the engine is installed or modified.]

 

Table 1

Maximum Engine
  hp             Emission Standards in (g/hp-hr)
  
                              NO
  x
       CO     VOC    HC+NO
  x

≥25 hp and < 100
  hp            -      4.85    -     2.83
  
≥100
  hp                       1.0     2.0     0.7    -

 

(2) The owner or operator shall either:

(a) purchase a certified stationary internal combustion engine as defined in 40 CFR 60.4248, or

(b) conduct an initial performance test according to 40 CFR 60.4244.

([2]3) Each engine shall vent exhaust gases vertically unrestricted with the following stack height requirements:

([i] a) For [S]site hp ratings of 306 or greater,[higher shall vent exhaust vertically unrestricted with] each engine shall have an attached stack height of no less than 10 feet.

([ii]b) For [S]site hp ratings of 151 to 305 hp,[horsepower shall vent exhaust vertically unrestricted with] each engine shall have an attached stack height of no less than 8 feet.

([iii]c) For [S]site hp ratings of 150 hp [horsepower] or less , there are [have] no stack height requirements on engines.

 

R307-510-4. Recordkeeping.

For each engine on site, the owner or operator shall maintain records of the engine certification or initial performance test for the period of time the engine is on the well site.[The owner/operator shall maintain documentation demonstrating that each stationary engine on-site meets the requirements contained in R307-510-3.]

 

KEY: air pollution, oil, gas

Date of Enactment or Last Substantive Amendment: [2017]2018

Authorizing, and Implemented or Interpreted Law: 19-2-104(1)(a)