Proposed Rule: Revisions :lnd Cont1dcntiality Dctcnninations for Data Elements Under the Greenhouse Gas 

Reponing Rule 

Meeting Documentation 

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Overview of Proposed Amendments in 2015 

Proposed Revisions to GHGRP 

{Subparts E, G, 0, P, V, X, Y, Z, and 00) 

U.S. (nv ronmcn1.11 Ptotc<tion Ar;ency 

·· ·~·nh·: ..,-;..~ ~.'I'. P.·~~ :>rl•~!; P·ot~r r1 ~GH :iRPl 

1-t.rt .• ~r • l:., .'I.Ht> 

This overview Is provided by EPA solely for 

informational purposes. It docs not provide 

legal advice, have legally binding effect, or 

expressly or implicitly create, expand, or limit 

any legal rights, obligations, responsibilities, 

expectations~ or benefits in regard to any 

person. 

2/23/2016 

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- - -- . . -

Proposed 2015 Revisions - Background 

• Proposed 2015 Revisions Rule published in 

Federal Register on January 15, 2016. 

• Comments due on March 30, 2016. 

. . - ------ -------- . . . 

Propose~ 2015 Re slcm~ :-Overview . 

• Revisions are intended to 

- streamline and improve implementation of the 

rule 

-improve the quality and consistency of the data 

collected under the rule, and 

- clarify or provide minor updates to certain 

provisions that have been the subject of 

questions from reporting ent ities. 

• Revisions also include proposed 

confidentiality determinations for collected 

data. 

2/23/2016 

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-

, Chemjcallndustry Subparts Affected ·- --- -~----· ·-- - . 

• Subpart E -Adipic Acid Production 

• Subpart G- Ammonia Manufacturing 

• Subpart 0- HCFC-22 Product ion and HFC·23 

Destruction 

• Subpart P- Hydrogen Production 

• Subpart v - Nitric Acid Production 

• Subpart Z - Phosphoric Acid Production 

• Subpart X - Petrochemical Production 

• Subpart Y- Petroleum Refineries 

• Subpart 00 - Suppliers of Industrial Greenhouse Gases 

. -

_Proposal for Subpart E- Adipic_Acid _ 

• Remove requirement to annually request 

approval to use an alternative method for 

determining N20 emissions (and remove 

annual approval by EPA) if the method is 

already approved and has not changed. 

• Add reporting requirement for date of 

installation of any N20 abatement 

technology. 

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- ---- -

. Proposal for Subpart G -Ammonia Production -- ·- -···- -

• Add 3 reporting requirements: 

- Annual ammonia production for fJdltles where J CEMS Is used to 

m-rasure COl emiu!on.s 

- Annual feedstoclc consumption 

- Annual average ( arbon content 

• Clarity EPA's intention related to reporting of annual 

ammonia production and annual methanol production 

- May u5e (Ompany records or engineering estimate to determine the 

;,nn~ Jmmonlt. pt"c>du<Uon and .lnnt.tal methanol pt"odu<IJon. 

- ,\nnu;,l mclh,:,oot produ<lion for c:t.ch p.'O(CSS unit must b-e 

reported regardle-ss of whether the methanol is subseq uent!)• 

<lc-strO)'Cd. vente-d, or sold JS .:1 J)I'Odu<t. 

--- -~ ,.- -- -- -- "r" -

. Proposal for Subpart 0- HCFC-22 Production .... _ .,_- ~ . . 

• Remove three reporting requirements related to the 

revised destruction effidency that facilities are required to 

calculate In the event that the HFC- 23 concentration that 

they <Jnnually measure at the outlet of the destruction 

device exceeds the concentration measured during the 

performance test that is the basis for the current 

destruction efficiency: 

- concentration (mass fr<Ktlon) of HFC-~3 at the outle: of the 

dcsvu<tlon dc-vf<c, 

- flow tJte .n the utJe~ of the dcsttu<tlon dtvl<e In kilogr.tms ~r 

hour (kg.thr}, and 

- cmis.sion rate (in k~!hr) calculated from these two parameterS. 

2/23/2016 

4 
Proposal for Subpart 0-HCFC-22 Production 

ont. . . -. 

• Reinstate reporting of the method used to 

calculate the revised destruction efficiency, 

and 

• Require facilities to report HCFC-22 

production and HFC- 23 emissions for each 

HCFC-22 production process rather than for 

the facility as a whole . 

. --- - --- - -

Proposal for Subpart V Nitric Acid • 0 -·- - .l-_ ~ •- J. - - - - - - --A 

• Remove requirement to annually request approval to use 

an alternative method for determining N20 emissions (and 

remove annual approval by EPA) if the method is already 

approved and has not changed. 

• Add reporting requirement for date of installation of any 

N20 abatement technology(better understand trends). 

• Change definition of source category to require reporting 

from all facilities that produce nitric acid regardless of nitric 

acid strength. 

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s 
--------- .......,... ~- -_.-- --. . - .. 

:-Proposal for Subpart X- Petrochem 

• Clarify that facilities can exclude pilot gas from the flare gas 

GHG emissions. But must indicate (Y/N) whether flare has a 

flare gas recovery system. (See proposal for Subpart Y.) 

Allow operators of an integrated ethylene dichloride (EDC) 

and vinyl chloride monomer (VCM} process to report either 

the measured quantity of EDC produced or both the 

measured quantity of VCM and an estimate of the amount 

of EDC products as an intermediate in the process. 

• Allow operators to consider the entire integrated process 

(rather than just EDC operations) to be the petrochem 

process for purposes of complying with the mass balance 

method. 

-------.---~~---. -. . . --- - ' . . . . . ' 

_ _Prop_osal ~~r. Subpart X -: Petrochem (cont.) 

• For facilities that use mass balance approach to 

determine emissions, report annual average of the 

measurements of the carbon content and 

molecular weight of each feedstock and product 

reported under subpart X. 

• A few other minor edits in Table of Revisions. 

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- - -

Proposal for Subpart Y- Refineries . ·~,--~-~-

• Cl~rify that fucilities c.Jn exclude pilot gas from the flare gas 

GHG emi.ssions. Add requirement to indicate (Y/N) whether 

flare has a flare gas recovery system. 

• Change methodology for determining emissions from 

delayed coking units. 

• O<Jrify <Jppropriatc equations to usc for reporters with an 

asphalt blowing unit with a control device o ther than a 

vapor s<rubber, thermal oxidizer, or flare (classified as 

"other (specify)" in e-GGRT}. 

• A few other minor edits in Table of Revisions. 

. ----------------- ----·---- --

Proposal for Subparts P and Z .:.......=......o_ __ ·~---- 'lC•"- -

• Subpart P- Hydrogen: A few minor editorial 

or clarifying edits found only in Table of 

Revisions. 

• Subpart Z- Phosphoric Acid: Revise to 

require reporting of annual phosphoric acid 

production capacity (tons) for each wet· 

process phosphoric acid line rather than 

annual permitted phosphoric acid 

production capacity. 

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Proposal for Subpart 00 = Industrial GHG · · ., Su Hers · - - -

• Revise definition of the source category to include 

facilities that 

- destroy 2S,OOO mtC02c or more of industrial 

greenhouse gases and/or fluorinated heat transfer fluids 

(HTFs) annually; or 

- produce, import, or export fluorinated HTFs that are not 

also fluorinated greenhouse gases. 

• Expand the scope of monitoring and reporting to 

include production, transformation, destruction, 

imports, and exports of fluorinated HTFs that are 

not also f luorinated GHGs. 

r'· . ~- ·. ~-:: - . ~-- . 

Proposed Applicability Dates 

• Revisions to subparts E, G, 0, P, X, and Z 

applicable to RY 2017 reports (submitted by 

March 31, 2018) 

• Revisions to subparts V, Y, and 00 

applicable toRY 2018 reports (submitted by 

March 31, 2019) 

.· 

2/ 23/2016 

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---- ------ -- For.More Information 

• Please visit: 

http://www.epa.gov/ghgreporting/proposed 

-rules-ghg·reporting 

2/23/2016 

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