### Proposed Rule: Rev i sions :lnd Cont1dcntiality Dctcnninations for Data Elements U nder the Green ho use Gas Reponing Rule Meeting Documentation

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## Overview of Proposed Amendments in 2015 Proposed Rev i sions to GHGRP {Subparts E, G, 

## 0, P, V, X, Y, Z, and 

## 00)

U. S . (nv ronmcn1.1 1P totc<t i on 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

1- - 

## -- . . - 

### Proposed 2015 Rev i sions - Background
• Proposed 2015 Revisions Rule published in Federal Register on January 15, 2016. • Comments due on March 30, 2016.

. . - 

### ------ -------- . 

# . .

### Propose~ 

### 2015**Re sl** **cm ~**  

### :- Overview
. • Revisions are intended to

- streamline and improve implementation of the rule -improve the quality and consistency of the data collecte d under the rule, and - c l arify or provide minor updates to certa in provisions that have been the subject of questions from reporting en t it i es. 

### • Revisions also include proposed con fidentiality determinations for collected da ta . 2/23/ 2016

2- 

### , Chem j callndustry Subparts Affected

·- 

### ---**-~----·** 

### ·--
- 

### .

• Subpart E -A dipic Acid Pr oduct i on • Sub part G - A mm onia M anufacturing • Sub pa rt 0- HCFC-22 Prod u c t i on a n d H F C·23 Destruct io n • Subp art P - Hydrogen Product ion • Subpa rt v - Nitric Acid Production • Subpart Z - Phosphoric Acid Prod uct io n • Subpart X - P etroc hemi cal Production • Su bpa rt Y- Petroleum Refine rie s • Subpart 00 - Suppliers of I n du stria l Gr ee nhous e G ase s

. -



### _

Proposal for Subpart E - Adipic_Acid
_ • Remove requ irement 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. 2/23/2016

3- ---- -



### . Proposal for Subpart G -Ammonia Production



# -- · - -···-
- • Add 3 re p ort ing requ ireme n ts:

- Annual ammoni a producti o n for f Jdlt l es whe r e J CEMS Is used to m-rasu re COl emiu!on.s

- Annual f eeds t oclc consu m ption

- Annual average ( a rbon co nt ent • Clarity E P

A

' s intention r elated to r e p orti n g of an n ual ammonia produ ctio n a nd a n nua l meth ano l production

- May u 5e (O m pany r ecords o r engi n eeri n g est i mate to determine the**;,nn~ Jmmonlt.**  pt"c>du<Uon and .lnnt.tal me thano l pt"odu<IJon.

- ,\nn u;, l mc lh,:,oot produ <lion for c:t.ch p.'O(CSS u ni t m u s t b-e repo rt e d r egardl e-ss of whether the meth anol is s ub se q uent! )• <lc-strO)'Cd. vente-d , o r sold JS .:1 J)I'Odu< t.

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



### . Proposal for Subpart 0- 

### HCFC-22 Production

.... 

### _ .,_-**~** 

### . 

# . • Remove t h ree r eport ing req u irements r ela t ed to the revise d destruction effide n cy t ha t facili t ies are req u ired to calc u la te I n t h e event th at the HFC
- 23 co nc e n tratio n th at t h ey <Jnn u ally me a su r e at th e o utl et of t h e destruction device exceeds t he conce nt ratio n measur ed d uring t h e performance t es t that is the ba sis for the c u r r ent destru ct i on efficien cy:

- co ncentra tion ( m ass f r <Ktlo n) of**HFC-~3** a t the outle: of the dcsvu<tlon dc-vf<c,



### - fl ow tJte 

### .n t he**utJ e~**  of t he dcstt u <tlo n dtvl<e In kilogr.tms**~r** ho u r (kg.thr}, and

- c m is.sion rate (in**k~ !h** **r)** calculated fro m 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 a lte rn at i ve method f or determin i ng N20 em i ss io n s (and remove ann ual approval by EPA) if the method is already approved and h as not changed. • Add reporting r equi r eme nt for date of i nsta ll ation of any N 2 0 abatement tec h nology(better understan d trends). • C hange def in i t i on of so u rce category to re qu i re rep ort i ng f rom all facil i ties that produce n it ric acid regard l ess of nit ric acid strength . 

### 2/23/2016



## s

### --------- .......,...**~-** -_.-- --. . - .. 

## :- Proposal for Subpart X- 

## Petrochem

• Clarify that faci li t i es can ex cl ude pilot gas from the fl a re gas GHG em iss io n s. But must indicate (Y / N) w h et h er flare has a flare gas recovery system . (See p roposal f or Subpart Y . ) A

ll ow operators of a n integrated et h ylene dichloride (EDC) a nd vin y l ch lorid e monomer (VCM } process to report eit h er the measu red qua nt i ty of EDC produced or both t h e measured q uantity of VCM and an estimate of the amo un t o f EDC prod ucts as an i nterme di ate in t h e process. • All o w operato rs to co n si d e r the ent i re i n tegrated process (rat h e r t h a n j u st E DC opera t io ns ) to be t h e petro ch em process for pu rp os es of comp l ying w ith t h e mass balance method .**-------.---~~---.** 

## -. . . --- - ' 

# . . 

# . . 

### . '



## _ _Prop

_ osal**~~r .**  

## Subpart X -: Petrochem (cont.)
• For facilit i es that use mass balance approach to determine em i ssions, report a nnua l average o f the measurements o f the carbon content and molecular weight of each feedstock and product r eported under subpart X. • A few other minor edits in T ab l e of Revisions. 2/23/2016



### 6- 

### - - 

### Proposal for Subpart Y- Refineries

.**·~,--~-~-**

•**Cl~rify** t hat fucilities c.Jn exclude pi lot gas from the flare gas GHG emi.ss i o ns . Add re qu irement to in dic at e (Y / N ) whe the r 

### flare has a flare gas re covery s y stem . • Change met hod ology f or determ i n ing em iss ions f rom d elayed coking un its. • O<Jri fy <Jppro priatc equations to us c fo r repo rte rs w i th an as pha lt blow ing u nit with a contro l d ev i ce o th e r th an a v apor s<rubbe r , th erma l ox i dizer, o r fl a re ( class ifi e d as "other (specify)" i n e -GGRT}. • A f e w oth er minor edits in Ta ble of Revisions.



## . ----------------- ----·---- --



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

### • Subpart P- Hydrogen: A few minor editorial or cla rifying edits found only in Table of Revisions. • Subpart Z- Phosphoric Acid: Revise to require reporting of annual phosphoric acid produc t io n capacity (tons) for each wet· process phosphoric acid line rath er than annual permitted phosphoric acid production capacity. 2/23/201 6

7

### Proposal for Subpart 00 = Industrial GHG · · 

### ., Su Hers · - - - • Revise d efini tion of t he source ca t egory to in clude facilities that

- destroy 2S,OOO mtC02c or more of i ndustri al greenho us e gases an d / or fluori nated h eat transfer flu i ds (HTFs) a nn ually; or

- produce , i mport, o r export f lu or in ated H TFs that are not also fluori na ted g r ee nh ouse gases. 

### • Expand the scope of monitoring and reporting to includ e product io n , transformat i on, des t ruction, impo rt s, and exports of f luorina t ed H T Fs that are not also f luori na ted GHGs.

r'·
.**~-** 

### ·.**~-::** 

### - .**~--** 

### .



## Proposed Applicability Dates
• Revisions to subparts E, G, 

## 0, P , X , and Z appl i cable to RY 2017 reports (s ubmitted by March 31, 2018) • Revisions to subparts V, Y, and 

## 00 applicable toRY 2018 reports (s ubmi tted by March 31 , 2019) 

## .· 2 / 23/2016

8

## ---- ------ 

## -- For
. More Information
• Please visit : http : //www
. epa . gov/ghg r eporting/proposed

- ru l es -ghg · r e p ort in g 2/23/20 1 6

9