### July 15,2011



### Filed Electronically U.S. 

### Environmental Protection 

### Agency 1200 Pennsylvania Avenue, 

### NW Washington,DC 20460 Attention Docket 

### ID No. EPA-HQ-OAR-2002-0058 

### Email: a-and-r-docket@epa. 

### eov 

### Subject: National Renderers

### Association 

### (NRA) Comments on the 

### U.S. Environmental Protection



### Agency's 

### (EPA's) Rule on 

### National Emission Standards 

### for Hazardous 

### Air Pollutants 

### for 

### Major Sources: 

### lndustrial, Commercial, and 

### Institutional Boilers and Process Heaters Dear Sir/Madam: The 

### National Renderers 

### Association 

### (NRA) is 

### providing EPA

### with comments on the 

### National Emission Standards

### for Hazardous 

### Air Pollutants 

# þr Major Sources: 

### Industrial, Commercial, and 

### Institutional Boilers and Process 

### Heaters (NESHAP Subpart 

### DDDDD), as 

### published in the Federal Register on 

### March 

### 21,201I (Volume 76, 

### No. 54, pages 15608

# - 15702).Thefinal version

### of the 

### rule was 

### included inthe delay 

### of effectiveness concerning reconsideration issued on 

### May 18,

### 201I in the Federal Register 

### (Volume 76, 

### No. I 10, pages32682

# - 32684) 

### for NESHAP Subpart 

### DDDDD and 

### Commercialand 

### Industrial Solid 

### llaste Incineration Unirs 

### (CISWI) 

### rules. Per

### this second Federal Register notice, comments regarding 

### NESHAP Subpart 

### DDDDD have been requested 

### by EPA on or before 

### July 15,

### 201l. In addition to this comments letter 

### being submitted for 

### NESHAP Subpart 

### DDDDD, the 

### NRA is also 

### submitting requested changes to 

### NESHAP Subpart JJJJJJ under a separate cover. The 

### NRA isthe 

### international trade association 

### for the 

### industrythat safely and

### efficiently recycles animal and vegetable agriculture 

### by-products into valuable ingredients 

### for the 

### livestock, petfood, chemical and consumer 

### product industries 

### in a manner that is protective 

### of our

### environment. The 

### NRA represents its members' intereststo Congress, 

### regulatory and other govemment agencies, promotes greater use

## of rendered products, and fosters the opening and expansion 

### oftrade between 

### North American exporters and 

### foreign buyers. 

### NRA's membership represents morethan 98 percent 

### of the 

### rendering capacity 

### in both the U.S. and Canada, and

### we estimate that 

### our members have spent more than $100 

### million in recent years on environmental controls that help 

### protect the environment where we 

### live and

### work. 

### NRA members' 

### boilers that 

### burn processed recycled animal and vegetable fats ("processed 

### fats") at

### major 

### HAP sources

### will be 

### affected sources under the 

### "National Emissions Standards 

### for Hazardous

### Air

801 North Foirfox Street 

### I Suite 

### 205 | Alexondrio, Virginio 

### 22314 

### | 7O3. 

### ó83. OISS

# It] | 203. 

### ó83. 26261,Íl wwwnotionolrenderers.org 

### I renderers@notionolrenderers.com

### National Renderers 

### Association comments to the U.S, 

### Environmental ProtectionAgency



### Major Source 

### Boiler Rule 

### - Docket 

### No. 

### EPA-HQ-OAR-2002-0058 July 15, 

### 201I Page2

Pollutants 

### for 

### Major Sources: 

### Industrial, Commercial, and 

### Institutional Boilers and Process Heaters" 

### (or the 

### "Boiler 

### MACT"). These 

### units are

### cunently classified under the 

### liquid fuel subcategory 

### for units designed to 

### burn 

### liquid biofuels based on the comment submitted and responded to 

### by EPA during the proposed rule 

### commenting 

### period.I The 

### NRA has astrong interest 

### in ensuring that processed fats are regulated 

### by EPA based onthe actual 

### HAP emissions 

### from the 

### combustion

### of the

### fuel, notfor the 

### HAP emissions released 

### from other 

### "traditional" petroleum-based 

### liquid fuels. 

### A detailed 

### definition of processed fats is 

### included later 

### inthis 

### letter. Examples 

### of processed fats used as 

### boiler fuel includethe

### following classes 

### of renderedfats. 

# o Yellow Grease 

# o Poultry Grease 

# r Brown Grease



# . Tallow Such classes are used 

### intrading rendered processed fats and are based 

### on standards 

### for various properties such as hardness, 

### color and free 

### fatty acid content that are 

### importantto end-use customers (e.g. soap manufacturers and others 

### in the 

### oleo-chemical 

### industry). These standards were established 

### by the 

### American Fats and 

### Oils Association 

### (AFOA) to

### facilitate trade and 

### for use 

### in arbitrating disputes between the buyer and 

### seller. The rendered processed fats meeting each

### of the

### AFOA class specifications are 

### collectively composed

### of lipids having up tothree long, straight-chain 

### fatty acids attachedto a

### glycerol backbone. The number 

### of carbon atoms 

### in the 

### fatty acid chains, the number 

### of double bonds 

### inthe chain and the percentage 

### of free 

### fatty acids determine the 

### AFOA classification. This description of rendered processed fats classes is presented 

### solely for purposes 

### ofclarifìcation and 

### edification, and has 

### little bearing on the issue 

### of processedfats as

### boiler fuel. Processed fats are

### fundamentally different than the

### traditional petroleum-based 

### liquid fuels generated 

### from the 

### physical and chemical 

### refìning of crude

## oil. The petroleum-based 

### liquid fuels 

### clearly comprise the 

### bulk of the common name subcategory 

### "oil" units 

### or 

### liquid fuel units subject to the 

### Boiler 

### MACT, NESHAP Subpart 

### DDDDD, Processed fats do 

### not inherently contain 

### petroleum products. The 2005 Job 

### Bill, along 

### with the Omnibus 

### Highway 

### Bill and the Comprehensive Energy 

### Bill, carried changes 

### in how the

### federal govemment 

### will treat excise taxes and tax credits as incentives to U.S. business to adopt ways 

### inwhich to replace 

### imported petroleum as a

### fuel. The 

### provisions for altemative 

### fuelmixtures are

### found in the Safe, Accountable, 

### Flexible, and 

### Efficient Transportation Equity 

### Act

## of 2005 (enacted 

### inJuly of 2005, and became 

### effective October 1,2006). The 

### NRA's review 

### of these above noted federal rules 

### confirmed tax 

### credit 

### applicability to the use

## of processed fats as

### alternative fuel 

### if alternative 

### fuel mixture rules were

### followed. To

### qualify for the tax credit, 

### NRA member companies 

### "create" processed fats

### fuel 

### for energy purposes 

### (for self use or sale) as a 

### mixture 

### with a

### federally taxable 

### fuel, pursuant to the above

### rule. Specifically, to

### qualifr processed fats as analternative 

### fuel mixture, the processed fats are denatured

### with No. 2

### fuel 

### oil (diesel) or other taxable


### I Federal Register, 

### Vol.75, No. 107, pp.32006-32073 (June 4,2010).

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### ' 683

### ' 2626 t Í t

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection 

### Agency



### Major Source Boiler Rule 

### - Docket No. 

### EPA-HQ-OAR-2002-0058 July 15, 

### 201I Page 3



### fuel at

### 0,1%by volume. The denaturing 

### effort marks the processed fats 

### fuel 

### for tax purposes and prevents the 

### mixture from being resold 

### into the

### animal feed market and/or 

### further processing 

### by the oleo-chemical 

### industry. This denaturing isdone

### for tax purposes 

### only (as set

### forth 

### in Section 6426(d)(2) 

### of the Internal Revenue Code) and is

### similar to the method used to 

### identiff diesel

### fuel intended 

### for agricultural useto 

### distinguish it from on-road diesel 

### fuel. The alternative 

### fuel mixture does 

### not result in anydiscemable change 

### in emissions due to the 

### very 

### low addition rate 

### (0.1%) of petroleum-based material. The 

### NRA 

### fully supports 

### EPA's efforts to 

### improve air quality through responsible 

### regulation and appreciates 

### this opportunity to comment on 

### EPA's rules 

### during the 

### Boiler MACT, NESHAP Subpart 

### DDDDD reconsideration 

### period. Based on the assessment

### of the rules, the 

### NRA has prepared comments on the approach used 

### by EPA in deriving the 

### liquid fuel subcategory 

### to include 

### liquid biofuels and 

### why certain aspects should be retained, reconsidered, or changed, The 

### following sections present the reason 

### for these submitted comments 

### (reconsideration), adescription 

### of potentially affected 

### units at 

### NRA members' and member customers

### facilities, a

### description

## of processed fats asa

### fuel, and the

### following comments that the 

### NRA is requesting 

### EPA reconsider 

### for the 

### Boiler 

### MACT: 

# l. Processed fats as a separate subcategory; 

# 2. Processed fats 

### combustion subject to

### work practice standards 

### only; and 

# 3. Traditional fuels subject to 

### particulate matter 

### (PM) emissions 

### limits (non-mercury metal 

### HAP sunogate) should be 

### given the

### option to demonstrate compliance 

### with the 

### PM emissions 

### limit or a 

### total selected metals 

### (TSM) emissions 

### limit.2



## NRA 

# Rulo(s) CovruBNrs REFERENcE The 

### NRA understandsthat the 

### Boiler MACT, NESHAP Subpart 

### DDDDD effective period was stayed on 

### May 18, 201

## l, and the 

### final rule is 

### being reconsidered 

### by 

### EPA. In addition to

### this comment letter, the 

### NRA is also

### submitting a separate comments letter 

### this same date 

### for 

### NESHAP Subpart JJJJJJ. As 

### previously identified, the 

### NRA issubmitting requested changes to 

### NESHAP Subpart JJJJJJdespite no reconsideration and requested comments request 

### for the area source 

### boilers rule

### for the

### following reasons: 

## l) because the 

### liquid fuel subcategories 

### for boilers are

### fundamentally similar between the 

### two NESHAP rules, and 2) because 

### EPA changedthe

### defrnition 

### for liquid fuels 

### in the

### fìnal rule from the proposed rule 

### without an

### opportunity 

### for comment. 

### Two separate letters are being 

### submittedto EPA due to the separate 

### statutoly requirements 

### for each 

### rule (major source and area source 

### NESHAP), and separate dockets 

### (Docket # 

### OAR-2002-0058 for major source 

### rule and Docket # 

### OAR-2006-0790 

### for area source rule). 

### NRA member 

### facilities capable 

### of burning 

### liquid fuels are

### currently classified as area sources 

### of HAP emissions, 

### with the exception 

### of one

### facility that includes a process 

### emitting non-combustion related 

### HAP emissions abovethe 

### major 

### HAP source

### threshold. The focus 

### of these comments isthe use

### of processed

2

### the

### tSM emissions 

### limit option includes either TSM or individual non-mercury metal HAP emissions lirnitations.

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### 2626'tt

### National Renderers 

### Association comments to the U,S. 

### Environmental ProtectionAgency



### Major Source 

### Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,2011 Page 4

fats as a

### fuel in affected 

### sources. Processed fats are considered renewable fuels that may be 

### utilized in the 

### industrial boilers at

### NRA member and member customer 

### facilities.



# Ma¡on SouRcn 

## NESHAP 

## AppLlc.leILITY RTQUnTMENTS The Clean

### Air Act 

### (CAA) Section 

### 112(c)(l) requires emission 

### units located at 

### major source and area source applicable categories to be 

### regulated. Section I

### l2 of the

### CAA requires that, when setting 

### HAP emission 

### limitations 

### for categories

### with more than 30 sources, 

### EPA must determine 

### "the average emission 

### limitation achieved 

### by the best 

### performing l2o/o

### of the 

### existing sources."3 Where 

### fewerthan 30 sources exist 

### in acategory,EPA should 

### rely upon 

### "the average emission 

### limitation achieved 

### by the best 

### performing 

### five sources."4 However, before 

### EPA can usethe best 

### performing 

### five sources 

### in setting its standard, 

### it is required 

### to analyze 

### all sources 

### "for which the 

### Administrator has 

### or could reasonably obtain emissions 

### information." The purpose 

### of Section I

### l2(dX3) of the 

### CAA is

### to establish the 

### MACT Floor based on the top 

### performers in the 

### industry. Only by frrst adequately 

### examining the entire 

### industry can 

### EPA evaluate

### which sources are among the best 

### intheir class. 

### EPA hasgathered data 

### for the 

### liquid fuel-fired boiler subcategory 

### currently defrned in 

### NESHAP Subpart 

### DDDDD. This data can then be used to 

### craft an

### additional subcategory 

### MACT Floor that complies 

### with the requirements 

### of the

### statute, Since 

### EPA is not 

### limited in establishing a

### specific total

### of subcategories 

### for regulation under 

### NESHAP Subpart 

### DDDDD, the 

### NRA is requesting a separate 

### liquid fuels subcategory 

### for units burning processed fats,



## RpeunsrED PRocESSED 

## F¿,rs

## SuscarBGoRY The 

### NRA is

### submitting the request

### for a new 

### "units designed to 

### burn processed fats

### fuel" subcategory under 

### NESHAP Subpart 

### DDDDD based on 

### EPA's determination 

### of the aforementioned proposed 

### rule comment 

### from an 

### NRA member 

### (Darling Intemational 

### Inc.).s The proposed 

### rule comment requested that processed fats not be considered as a

### solid waste, 

### but instead abiomass 

### solid fuel potentially subject to 

### NESHAP Subpart 

### DDDDD when burned 

### in a

### boiler or process heater located at a 

### major HAP source 

### or area source, 

### respectively. EPA noted thatthey agreed

### with the comment and subsequently added 

### "liquid biofuels" to the 

### defrnition 

### of 

### "liquid fuel" in $63.11237 for 

### NESHAP Subpart JJJJJJ

### only. The 

### NRA agrees 

### with the 

### EPA determination that processed fats are

### notsolid waste, and are not considered a

### solid fuel (biomass) category under 

### NESHAP Subpart 

### DDDDD as 

### identified in the response. 

### Lreurp 

## Fuel DsnlNItIoN

3+z 

### u.s.c. $7412(dX3XA). aqz 

### u.s.c. $74 l2(dX3XB). 5 Boiler 

### MACT proposed rule comment (Document Control Number EPA-HQ-OAR-2006-0790- l9 I I

. I) submitted by Barr Engineering Company and Darling International Inc.

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### NorthFoirroxstreet'ffiî:,i.i.î*:*J:;,tJ'T'Hå?:,1á,1.13"I.:"tTil:"t 

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### National Renderers 

### Association comments to the U.S. 

### Environmental Protection

# Agency Page 5



### Major Source 

### Boiler Rule 

### - Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,201I The change tothe 

### liquid fuel 

### definition in NESHAP Subpart JJJJJJ 

### included the

### addition 

### of liquid biofuels per the comment submitted 

### by Darling International Inc, 

### (NRA member). 

### Liquidfuel means, but not 

### limited to, 

### petroleum, 

### dislillate oil, residual 

### oil, 

### anyþrm of 

### liquidfuel derived

### from petroleum, used 

### oil, liquid bio.fuels. and biodiesel. 

### However, EPA clearly took an "easy 

### way" out by 

### throwing processed fats 

### in

### with the 

### liquid fuel 

### definition that was unexpected and unintended 

### by the 

### NRA, without 

### fully vetting the impact onthe 

### liquid fuel regulations, 

### orthe impact on processed 

### fat-fired 

### units. EPA has acknowledged 

### acting in hasteto fina\ize these regulations 

### bythe 

### Court-imposed deadline.6 The proposed 

### definition of 

### "liquid fuel" is

### fundamentally similar in both 

### NESHAP Subpart JJJJJJ (75 FR 31931) and 

### NESHAP Subpart 

### DDDDD (75 

### FR 32064), 

### specifically delineating 

### "distillate oil, residualoil, on-spec used 

### oil, and 

### biodiesel" in each 

### definition. EPA has not indicated that the subsequent 

### inclusion 

### of "liquid biofuels" to the 

### definition of 

### "liquid fuel" was 

### intentional for NESHAP Subpart JJJJJJ 

### only. For the pu{poses 

### ofthis comments 

### letter, the 

### NRA assumesthat 

### EPA intended 

### for liquid biofuels to also be considered a

### "liquid fuel" asdefined under $63.7575. 

### And thus, 

### by considering 

### liquid biofuels as a

### liquid fuel for the 

### Boiler 

### MACT, any 

### boiler or process heater combusting processed fats at a

### major HAP source is grouped 

### in the 

### "liquid fuel subcategory" and the 

### "unit designed to 

### bum 

### liquid fuel subcategory" defined 

### in $63.7575. The 

### NRA requests that 

### EPA evaluate the impact 

### of this 

### "grouping" and consider the 

### pertinent information presented 

### inthis letter that demonstrates that 

### it is both reasonable and 

### technically necessary 

### for EPA to consider processed fats as a separate subcategory that is

### wholly distinct from petroleum-based 

### oils and other 

### liquid fuels. 

## RrquesrnD PRocEssED FATs 

## Dn¡'IxluoN AND

## Susctrnconv A liquid fuel includes 

### petroleum products, such as

### distillate 

### oil, residual 

### oil, any

### formof liquid fuel derived 

### from petroleum products, on-spec used 

### oil, and

### biodiesel. These 

### fuel types are 

### different than processed fats 

### in both

### origin and content and result 

### in different HAP emissions when combusted 

### in boilers and process heaters. Processed fats are obtained 

### from the 

### recycling of animal 

### (livestock) and 

### plant (crop) related byproducts 

### from the 

### food processing 

### industry. Processed fats 

### fuel are

### utilized in the same 

### liquid fuel-fired boilers that burn petroleum-based 

### liquid fuels. No special designed burners are 

### required

### for the 

### burning

## of processed fats 

### in liquid fuel-fired 

### boilers. As identified inthis letter, the 

### HAPs content 

### of processed fats are 

### insignificant and 

### similar to Gas 

## I fuels and not petroleum-based 

### liquid fuels. The 

### NRA requests that the

### following two definitions be added 

### to $63.7575 

### for NESHAP Subpart 

### DDDDD.

6Court ordered EPA to issue thefinal rule by February 21,2011.

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### 703 683

### 262óttt

### National Renderers 

### Association comments to the U.S. 

### Environmental ProtectionAgency



### Major Source 

### Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,201I Page 6

Processed fats

### fuel means, 

### but is 

### not limited to,

### yellow grease, 

### poultry grease, brown grease, 

### tallow 

### oil, and 

### anyform of 

### liquidfuel derivedfrom animal and 

### vegetablefals, with lessthan 0.1% by volume 

### petroleum-basedfuel content

### addedþr alternativefuel mixture requirements. 

### Unit designed 

### to burn 

### processedfatsfuel subcategory includes any 

### boiler or process heater that burns any processed 

### fals

### fuel, but lessthan 

### I0 percent coal/solid

### þssil fuel, less than 

### I0 percent biomass/bio-based 

### solidfuel, and less than 10

### percent 

### liquidfuel on an 

### annual heat 

### input basis, 

### eilher alone

### or in combinalion with gaseous 

### fuels. 

### Pnocnssno 

## Fars Nor A 

### BIoMASS 

# Furl The 

### NRA wants to 

### clarify the incomect reference 

### in the aforementioned proposed 

### rule comment response and 

### confirm 

### EPA's non-classification 

### of processed fats as abiomass 

### (solid) fuel under the 

### major source 

### rule. Specifically, the comment submitted to 

### EPA by Darling Intemational Inc. 

### (NRA member) focused on processed fats not 

### being defined as

### solid waste (and subject 

### to

### CISWI rule) and 

### identified the material as

### worthy of inclusion 

### within a 

### "biomass" fuel subcategory and 

### definition under the 

### Boiler 

### MACT and 

### NESHAP Subpart JJJJJJ based on the proposedversion 

### of each

### of those rules, 

### which is 

### admittedly different than the

### final version being commented on 

### inthis 

### letter. EPA did not define the material as a solid biomass, and the 

### NRA agrees

### with this determination asthe

### fi¡el is not a

### solid fuel 

### with HAP content or combustion characteristics 

### similar to biomass 

### solid fuels. The 

### NRA confrrms processed fats are renewable energy materials derived 

### fromvegetable (plants) and animal 

### (livestock) sources that have a

### shorl-term carbon 

### cycle. The processed fats 

### periodic availability to displace a

### fraction 

### of fossil fuel demand makes the fuels a renewable 

### fuel, but does not require processed fatsto be defined as abiomass 

### solid

### fuel. The 

### regulationof processed fats as a biomass 

### fuel under 

### NESHAP Subpart 

### DDDDD 

### will result 

### in 

### NRA member 

### facilities not using 

### this renewable 

### fuel due to more stringent 

### control requirements 

### for biomass fuels compared 

### to other 

### fossil fuels (i.e., petroleumbased 

### liquid fuels). 

## PnocnssnD FATs 

## SuscA.rBGoRy 

# Covtplnncn EPA should establish a

### "unit designed to burn processed fats 

### fuel"subcategory,

### wholly separate 

### from units designed to 

### burn 

### liquid subcategory due to these 

### units not 

### beingsimilar sources. There are

### two key definitions in determining the 

### MACT Floor 

### (Boiler MACT). 

# l. Similar source 

# 2. Achieved in practice 

### As identified in Sierra Club v. 

### EPA, the

### differentiation of broad source categories 

### into subcategories is 

### provided inthe 

### CAA itself, subject 

### to reasonableness 

### in the choice 

### of subcategorization.l

7Sierro Club v. EPA (intervenor Brick Industry Association) (03-1202).

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### 703

### 683'2626ÍÍt

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection 

### Agency



### Major Source 

### Boiler Rule - Docket 

### No. 

### EPA-HQ-OAR-2002-0058 July 15,2011 PageT

Section 1

### 12(d)(l) authorizes the

### Administrator 

## lo "distinguish among classes, types and sizes

## of sources

### within a category 

### orsubcategory," and the language of subsections I

### l2(d)(2) and (3) 

### pervasively refers 

### lo

### standardsfor sources 

### in each "calegory orsubcategory." The

### authority to generale subcategories is

### obviously not 

### unqualified; arthe least 

### it must be 

### limited bythe usual ideas of 

### reasonableness. [Sierra 

### Club v. EPA] 

### Following the 

### direction in the 

### CAA, EPA developed a

### definitionfor

### similar source. 

### Similar source means a

### slalionary source or process that has 

### comparable emissions and is 

### slruclurally similar in design and 

### capacity to a construcled 

### or reconslrucled major source such that thesource 

### could be

### controlled using the same 

### controltechnology. [$63.41] 

### A separate subcategory is

### waranted because 

### HAP emissions 

### from petroleum-based 

### liquid fuels include 

### different constituents and are

### higherthan the 

### HAP emissions 

### from processed fats, 

### which are 

### insignificant, specifrcally for the metal 

### HAP (including mercury), acid gas 

### HAP (specifically HCI), and organic 

### HAP emissions 

### controlled under the 

### Boiler 

### MACT. The establishment 

### of emission 

### limits for the broad 

### "liquid fuel" subcategory is 

### not

### waranted due tothe 

### insignificant HAP emissions 

### anticipatedfrom the processed fats compared to petroleum-based 

### liquid fuels. 

## Meral HAP EnrrssroNs Included inTable 1 is asummary 

### offive processed 

### fat samples analyzed

### for the 

### metal HAP content. The 

### specific processed fats analyzed includes 

### yellow grease 

### (two samples),

### poultry grease (one sample), and 

### tallow (two samples).



### Tnsr,B L. PnocnssED FATs 

### Snruplps ANaLvsrs 

### RBsuLrs

Metal HAPs Yellorv Grease

Samfle No. I (pp.rn)t Yellow Grease

Samfle No.2 (ppmw)2 Poultry Grease

(ppttn)t TallowSamfle

No.

### I (ppmw)¡ TallowSample

No.2 (ppmw)2 L¡ad Arsenic Beryllium Cadrnium Chronrium Manganese Nickel Mercury < 0.05 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 0.1 0.7

< 0.1 < 0.1 < 0.1 < 0.1 0.t < 0.1 < 0.005 < 0.05

< 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 0.1 < 0.05

< 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 1.0 < 0.1 0.5

< 0.1 < 0.¡ < 0.1 < 0.1 0.2 < 0.1 < 0.005 l. Fuel sampling arralysis r¡æthods include ASTM D 3605 for lead content, ASTM El6l3 for anenic, berylliuq cadmiunl chrornium, nranganese, nickel, and mercury content. 2. Fuel sampling analysis nrethods include ASTM D 3683 for lead, arsenic, berylliurq cadmiun¡ chromiunl manganese, and nickel content, andASTM E3684for nærcury content.

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### 683'2626Ítl

### National Renderers 

### Association comments tothe U.S, 

### Environmental ProtectionAgency



### Major Source 

### Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,201I Page 8

The metal 

### HAP content 

### in the processed fats were 

### "non-detect" or 

### below detection levels 

### for each 

### pollutant, except lead and manganese. The 

### NRA assumes the

### different 

### ASTM analysis methodologies are the reason 

### for the anomalies concerning the lead and manganese content measured 

### in samples. 

### Specifically, the lead and manganese content 

### in the

### yellow grease 

### No. 2 and 

### tallow No. 2 samples were measured using 

### ASTM D3683. However, the lead and manganese content 

### in the other three processed fats samples were measured using 

### ASTM E 1613. The sample set indicates confidence that the metal content 

### of the processed fats samples is 

### insignificant and is 

### infact lower than the metal HAPs emitted 

### from units designedto 

### bum Gas 

## I fuels (Gas 

## I units) as 

### identified inTable

## 2. With a

### similar minimal metal 

### HAP content to Gas 1

### units, the processed 

### fats-fired boilers do not 

### result in significant metal 

### HAP emissions required to be subject 

### to emissions 

### limitations under 

### NESHAP Subpart 

### DDDDD.



## Tanle 2. Gas 

## FuBl Snuplps 

## MBral HAP 

## CoNrBNr

Metal IIAPs Maximum Content (pptnto)' Arærage Content (pprnrn)3 Iæadl



## . .2 Arsenrc Beryllium2 

## .2 Ladmlum Chromium2 Manganese Nicke12 Mercury3 84.s 93.5 68.5 9.0 289.3 200.6 328.6 1.6 29.9

35.5 17.0 2.7 

## lll.0 80.7 107.3 0.5 1,I-ead content in 23fuel samplesforfive (5) boiler unitsfiring natural gasand natural gas/sanderdust fuels. 2.Arsenic, berylliun¡ cadmiurq chromiun¡ manganese,and nickel content in 24fuel samplesforfive (5) boiler units firing natural gas 3. Mercury content in 40 fuel samplesfor seven (7) boiler units hring natural gasand natural gas/sanderdust fuels. The 

### Boiler 

### MACT includes the

### following definition for Other Gas 

## I fuel under $63.7575: Other 

### gas I

### fuel means a

### gaseousfuel that is not 

### natural gas 

### or refinery gas and does 

### nol exceed the maximum 

### concentration of 40 

### micrograms/cubic meters of 

### mercury and 4

### parts per million, byvolume, 

### of hydrogen sulfide. The mercury content 

### for defining a

### fuel asOther Gas

## I instead 

### of Gas 2 

### identifies a representative 

### "threshold" for a

### significant HAP content 

### (mercury) for a

### fuel (Gas 

## l) that is 

### not subject to an emissions 

### limitation. 

### If an 

### "other" gas

### fuel does not meet the 

### definition of an Other Gas 

## I fuel, the 

### unit is classified

80r Norrh Foirrox sheet '

# ffi î3,i"1"î*:.1î:;yJT 

## HÍi:,:å,1.í,.t"i,::ri:l:i,t I

### I Izo3' 683

### 2626tÍt

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection

# Agency Page 9



### Major Source Boiler Rule - Docket 

### No. 

### EPA-HQ-OAR-2002-0058 July 15,

### 201I

as aGas 2 (other) fue1.8

### A maximum concentration 

### of

### 40 pglm3

### for the 

### mercury content 

### in Other Gas 

### I fuel is equivalent to

### 2.5e-06IblMMBtu mercury emission 

### factor assuming a heating value 

### of 1,000 Btu/scf, Processed fats are not gaseous fuels, 

### but the mercury content 

### in the processed fats samples was below a 5 

### ppbw detection 

## limit. Even 

### if we assume that the mercury was present at this 

### detection

### limit of 5 ppbw, and we 

### apply aconservative heating value 

### of 17,000 

### Btu/lb, this is

### approximately 3.0e-07 

### lbA4MBtu 

## - an order 

### of magnitude less than the 

### EPA-defined threshold 

### for natural 

### gas-equivalency. Since Gas 

## I units are subject to

### work practice standards under the 

### Boiler 

### MACT, the 

### NRA has demonstrated the mercury (rnetal 

### HAP) content 

### identified in various types 

### of processed fats samples analyzed is

### similar (or less than) 

### in merculy content to Other Gas 

## I fuel, and should be

### similarly regulated 

### (work practice standards). Processed fats are not 

### derivedfrom the petroleum processing 

### industry, but instead are renewable 

### fuel sources obtained 

### from the 

### recycling of byproducts 

### from the

### food processing 

### industry. Table 3 includes the petroleum-based 

### liquid fuel sample analyses 

### from the 

### EPA Emissions Database 

### for different metal 

### HAP content. The 

### maximum metal 

### HAP content 

### for the petroleum-based 

### liquid fuels are above detection levels, asdelineated 

### inTable 

## l, and 

### higherspecifically for lead and manganese content compared to the processed fats samples analyses.

T¿,nr,B 

## 3. Lreuro FuBr, 

### Sarrrples MBTaL 

### HAP 

## CoNrBNr

Metal tIAPs Number of FI¡el Samples Maximum Content

(pprrn)t Average Content (ppmto)t
Læad Arsenic Beryllium Cadmium Chromium Manganese Nickel Mercury 375 345 3s0 367 390 386 410 417 22.6

6.0 19.0 1.5 15.0 10.0 270.0 t3.7 t.7 0.5 0.5 0.2 0.9 1.2 27,6 0.9 l. Metal HAP content in identihed fuel samplesfor units hring No. 6fuel oil, No, 2 distillate, diesel fuel, fuel oil, biodiesel, No. 4fuel oil, and No. 5fuel oil. Since the processed fats samples metal 

### HAP emissions are

### different in type and quantities than the petroleum-based 

### liquid fuels, the 

### boilers burning these

### two types

### of fuels are 

### not similar sources. Due to the fuels not being 

### identified as

### similar sources, the 

### NRA requests that the processed fats be categorized as aseparate 

### liquid fuel subcategory,

8 New andexisting Gas 2 (other) units are subject to emissions limitationsfor PM, CO, HCl, mercury, and dioxin/furans as defined in Tables 

## I and2 to NESHAP Subpart DDDDD, respectively.

B0r

## Nor'|hFoirfoxsheer'*î3å1"î*:,1î:;xJ'?'Hff:låi.í3*ì,::riil:åf tlrz03 6B3'2626ttt

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection

# Agency Page 

### l0

Major Source 

### Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15, 

### 201I 

### AcTo 

## GIs HAP EUISSIONS The rendering 

### industry routinely monitors processed fats

### for the presence 

### of acid gas 

### HAP-forming constituents, 

### specifically chlorinated pesticides and 

### polychlorinated biphenyls 

### (PCBs). The U.S. Food and 

### DrugAdministration 

### (FDA) considers any rendered product contaminated 

### with pesticidesÆCBs as adulterated under the Food 

### Drug and Cosmetic 

### Act 

### if they exceed tolerances established 

### by the 

### FDA or EPA (40 CFR 

### Part 

### 180). The testing 

### of these products to

### veri$ compliance is an 

### integral part 

### of the 

### industry's Good 

### Manufacturing Practices 

### (GMP). The 

### GMP varies 

### from one 

### NRA member to another and includes, 

### but is 

### not 

### limited to, the

### following: 

# o Testing each 

### production run before 

### it is released 

### for sale; 

# o Testing each load 

### prior to shipment; 

# o Testing a

### weekly composite sample 

### of eachtype 

### of processed fat produced; and 

# ¡ Periodic,or spot,testing. Each year 

### NRA members test several thousand samples 

### for the presence 

### of the 

### chlorinated pesticides and PCBs as a

### GMP to assure compliance 

### with tolerances established 

### bythe 

### FDA or 

### EPA. Sampling results 

### for three 

### of the processed fats samples 

### (Yellow Grease 

### No. 

## l, Poultry Grease, and

### Tallow No.

## l) analyzed using

### ASTM 

### D 4327 indicated no detected

### chloride content.9 The methods used 

### for chlorinated pesticide testing are also recognized 

### by the

### World Health Organization 

### (WHO) as anapproved method 

### for the screening

### ofdioxins and 

### dioxin like substances and therefore the referenced test results also indicate these compounds are not 

### typically present 

### in processed fats. Compared to natural gas

### from the 

### EPA Emissions Database, the 

### maximum chlorine content 

### in 53 natural gas

### fuel samples analyzed is 2,870 

### ppmw. For 386 petroleum-based 

### liquid fuel samples analyzed, the 

### maximum chlorine content 

### is 1,260 

### ppmw.l0 The 

### NRA considers

### this GMP 

### of monitoring processed fats

### for chlorinated pesticides and PCBs as demonstrating that acid gas 

### HAP-forming constituents are 

### insignificant. Due 

### to insignificant content

## of chlorinated compounds (based on separate 

### FDA requirements 

### for the 

### industry) in the processed fats 

### prior to combustion, the 

### NRA believes the 

### correlation to 

### insignificant acid gas 

### HAP emissions 

### from boilers 

### burning processed fats is

### direct.Any acid gas 

### HAP emissions result 

### from the actual chlorinated compound content 

### in the

### fuel source combusted and not produced 

### by combustion due 

### to insignificant levels 

### of chlorinated compounds 

### in the

### fuel source. Without high content 

### of acid gas 

### HAP-forming constituents 

### in processed fats due 

### to industry quality requirements, 

### boilers buming processed fats do not 

### emit significant acid gas 

### HAP emissions. Therefore, 

### similar to Gas 

## I units, these processed 

### fat-fired boilers should also be subject 

### towork practice standards and not an 

### HCI emissions 

### limitation under the 

### Boiler 

### MACT.

9 Detection level or threshold is 

### l0 ppmfor ASTM D 4327. l0 The petroleum-based liquid fuels includes No. 6fuel oil, No. 2distillate, dieselfuel, fuel oil, biodiesel, No.4fuel oil, and No. 5fuel 

### oil, as identified in the EPA Emissions Database.

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### I Nor'|h Foirfox sheet ',

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## I I

### 203 683

### ' 2626 I Í 1

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection 

### Agency



### Major Source Boiler Rule - Docket 

### No. 

### EPA-HQ-OAR-2002-0058 July 15,

### 201I Page I I



### OncaNrc HAP ErurssroNs EPA is required 

### to establish emission standards 

### for organic 

### HAP emissions 

### (compliance

### with the 

### Boiler MACT demonstrated using 

### CO sunogate 

### pollutant for subject 

### subcategories). Organic HAP emissions, such as 

### polycyclic organic compounds (POCs) (as

### 7-PAH and referred 

### to as 

### polycyclic organic matter 

### [POM]) and ethylene 

### dioxide, are due

### to incomplete combustion 

### offossil fuels and 

### solid vegetable matter that contains 

### lignin and 

### cellulose. Rendered processed fats contain 

### triglyceride mono, 

### di, and free

### fatty acids. 

### Acrolein (or2-propenal) can be

### formed when processed fats 

### fuel is burned due to decomposition 

### of the 

### triglyceride glycerin backbone. However, this is not a

### cyclic compound and therefore does not meet the

### definition 

### of a POC 

### (or 

### POM). As such, the 

### pollutant generation 

### of these organic 

### HAP from processed fats 

### combustion is analogous to natural gas

### combustion. EPA previously foundthat these emissionswere 

### insignificant from natural gascombustion, and a

### similar argument can be made 

### for processed fats

### fuel combustion. Therefore, 

### similar to Gas 

## I units, these processed 

### fat-frred boilers should also besubject to

### work practice standards and 

### not a CO emissions 

### limitation under the 

### Boiler MACT. 

## Wonr Pnecrrcp SraNnaRts EPA hasthe statutory 

### authority as

### identified in Section I

### l2(h) of the

### CAA to prescribe the type

## of compliance demonstration required to be met to 

### control HAP emissions under the 

### Boiler MACT and other 

### NESHAP regulations, 

### (h) WORK 

### PRACTICE STANDARDS 

### AND OTHER 

### RESUIREMENTS.- 

## (l) IN GENERAL.-For purposes 

### ofthis section, 

### if it is 

### notfeasible in the

### judgment of the 

### Administrator to 

### prescribe 

### or enforce an emission standard

## for control of a hazardous 

### air pollutant or

### pollulants, lhe

### AdminisÍrator may, 

### in lieu thereof promulgate a design, equipment, work 

### practice, or operational slandard, or combinalion lhereof, which in lhe

### Administralor's judgment is consistenl 

### with the

### provisions of subsection (d) 

### or (fl. 

### In the eventthe

### Adminislrator promulgales a design 

### or equipment 

### slandard under lhis subseclion, lhe

### Administrator 

### shall include as

### part of such standard such requiremenls as

### will assure the

### proper operalion and mainlenance of anysuch elemenl of design 

### or equipment. (2) 

### DEFINITION.-For the 

### purpose of this subsection, the 

### phrase "notfeasible to

### prescribe 

### or enforce an emission

### standard" means any

### siluation inwhich lhe

### Adminislralor determines 

## lhal- (A) a hazardous 

### air

### pollutanl or 

### pollutants cannot be emitted 

### lhrough a conveyance designed 

### and construcled lo emit 

### or caplure such

### pollutant, or that any 

### requirementþr, or useof, such a conveyance

### would be 

### inconsislenl

### wilh any 

### Federal, State

### or local law, 

### or (B) the 

### application of measurement 

### methodologt to a

### particular class of sources is 

### not practicable dueto

### technological and economic 

### limitations. 

### A work practice standard can be used 

### for compliance demonstration when 

### it is 

### "not feasible to prescribe or enforce an emission standard" due to

### technological and economic 

### limitations 

### for a

### specific subcategory 

### of emission 

### sources. For 

### NESHAP Subpart 

### DDDDD, EPA determined that

### work practice standards are appropriate 

### for ensuring 

### HAP emissions are 

### effectively controlled 

### from Gas 

## I units,

B0 r Norrh Foirfox skeer '

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## I |703' 683' 2626

# Ítt

### National Renderers 

### Association comments to the U.S. 

### Environmental ProtectionAgency



### Major Source 

### Boiler Rule - Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,201I Page 12



### EPA has determined 

### that 

### it is nol

### feasible to 

### prescribe numerical emissions standards 

## for Gas

## I units because the

### application of measurement methodology is not 

### praclicable due to 

### technological and economic 

### limitations. Thereþre, EPA is

### finalizing thework 

### practice standards 

# þr Gas

## I unils. The commenters 

### correctly 

### poinl out 

### thal the measured emissions

### from these 

### unils are 

### routinely below the detection 

### limils of 

### EPA test methods, and, as such, 

### EPA considers 

### it impraclicable lo 

### reliably measure emissions

### from these

### units. Even CO, 

### which commenlers coruectly 

### poinl outwas tested 

### at many 

### natural gas and 

### refinery gas-fired units, was below the level EPA considers to bea 

### reliable measLrremenl 

## for more than 80 

### percent of the tesl runs 

### lhal were conducted 

### on Gas 

## I unils. The case

### for olher 

### pollulants is even more 

### compelling as lhe 

### majority of measurements are so 

### low as to casl doubt on the

### true levels of emissions 

### lhat were measured 

### during the

### tests. Of the 48 test 

### runsþr HCl, 98

### percent were below three times the maximum 

### reported measuremenl 

### delection level; 

### similarly, 100 

### percent of the 

### Hg runs, and 45 

### percenl of the 

### PM data were below lhree limes the maximum 

### reported meosurement delection 

### level. 

### It is unusual to see numbers 

### near lhe detection 

### limitfor PM since 

### lhe "detection" involves a 

### comparativelysimple (compared to 

### ollter test melhods) weighing 

### procedure, and the 

### overall result indicates that the emissions

### arevery close lo

### zero.

### All of the 

### dioxin tesls had 

### multiple nondetect 

### isomers. Overall, the 

### available lest methods ore 

### greatly challenged, 

### to the

### point

## of providing results that 

### arequestionablefor 

### all of the 

### pollutanls, wlten tesling 

### natural gas units. Because 

### of these 

### technological 

### limitalions that 

### render 

### it impraclicable to measure emissions 

### from Gas

## I units, 

### EPA is

### also unable to establish the actual 

### perþrmance ofthe best

### perþrmers as

### well as sourcesoutside 

### ofthe top 

### perþrming I2 

### percenl. The 

### inability lo accurately measure emissions

### from Gas

## I unils and the 

### related economic 

### impracticability associaled 

### with measuring levels 

### lhat are so 

### low that even 

### carefully conducled lests do 

### not accurately measure emissions 

### warrant setting awork 

### practice slandard under CAA

### section I 

### 12(h). EPA is establishing a 

### requirementto implement a tune-up 

### program asdescribed 

### in Section 

### IILD of this preamble. As noted by many commenters, the tune-up 

### program is an effective 

### HAP emissions 

### limitalion technology. The 

### requiremenl of an

### annual tune-up

### will allow these 

### units lo conlinue to combust the cleanest 

### fuels available

# þr boilers while minimizing emissions 

### to the same degree

### thal is consistent 

### with the operating 

### practices of the best

### pedorming units 

### in the subcategory. l76 FR ls6381. The 

### information provided inthis comments letter 

### for processed fats 

### HAP content is analogous to the data used 

### by EPA to determine Gas 

### I units are not required to meet a

### MACT Floor, and instead demonstrate 

### control of HAP emissions 

### for Gas 

## I units 

### by enforcingwork practice 

### standards. The 

### NRA feelsthat the non-detect analysis data 

### identified for the metal 

### HAP content 

### in processed fats samples indicates the 

### infeasibility for establishing a

### MACT Floor for the requested separate subcategory 

### (unit designed to burn processed fats

### subcategory), Processed fats are essentially an 

### "equivalent 

### fuel" to Gas 

## I regarding metal 

### HAP, acid gas 

### HAP, and 

### organic HAP content, based on the defined thresholds established 

### by EPA. Furthermore, the processed 

### fats-fired boilers can meet the current explanations 

### identified by EPA

### for requiring work practice standards 

### for Gas 

## I unitsto demonstrate 

### compliance

### with the 

### Boiler 

### MACT. 

### "Ifyour 

### unil combusts 

### only natural gas, 

### refinery gas, 

### or equivalenl.fuel (olher gas that 

### qualifies as Gas I

### fuel),with limited exceptions

### for gas 

### curtailment and emergencies, 

### your unit issubject

80r Norrh Foirfox sheeÌ

# 'ffi Î3å1.î';;;l;*,1;,uJ'?'ä:å?:.1á.l.í3"i,:^ti:::ått I |203' 683' 

### 2626tt1

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection

# Agency Page 

### l3

Major Source Boiler Rule - Docket 

### No. 

### EPA-HQ-OAR-2002-0058 July 15,

### 201I lo awork

### praclice standard thal requires an

### annual lune-up 

### in lieu of emission 

### limits. 

### " [76 FR 

## ts6t2l The 

### NRA feels the 

### control 

### of HAP emissions 

### from processed 

### fats-fired boilers

### will be accomplished most cost 

### effectively bywork practice standards developed 

### for the requested separate 

### subcategory. Due to the 

### similar HAP emissions as 

### identified inthis comments letter 

### for processed 

### fats-fired boilers and Gas I units, the 

### NRA requests 

### similar work practice standards compliance requirements 

### for the requested separate processed fats 

### subcategory. Specifìcally, the 

### NRA requests that processed 

### fats-fired boilers are subject tothe

### following work practice standards 

### included in Table 3to 

### NESHAP Subpart 

### DDDDD. 

# o A facility with a new 

### or existing boiler 

### with heat 

### input capacity greater

### than 

### l0 MMBtu/hr must conduct atune-up 

### of the 

### boiler annually in accordance

### with $63,7540.



# . Afacility with an

### existing boiler must complete aone-time energy assessment performed 

### by a 

### qualified energy assessor.



## Mnrnr, HAP Eulssro¡ts LIMITATIoNS EPA proposed the 

### National Emission Standards 

## þr Hazardous 

### Air Pollutants 

### from Coal- and 

### Oil-Fired Electric Utility Steam 

### Generating Urzils 

### (I.IESHAP Subpart 

### UUUUU) and Standards of 

### Pedormanceþr Fossil-Fuel-Fired 

### Electric Utility, Industrial-Commercial-Institutional Steam 

### Generating Units 

### (modifrcations to NSPS Subparts 

### D, Da, 

### Db, and 

### Dc) rules on 

### May 3, 2Ol I

.I

# I NESHAP Subpart 

### UUUUU is 

### not applicable to 

### boilers and process heaters at 

### NRA member 

### facilities since the units are not 

### utilized to produce steam 

### for electricity generating purposesabovethe thresholds 

### defined in the rule. 

### However, the proposed 

### rule is relevant to this discussion conceming 

### how EPA established emission standards 

### for metal 

### HAPs. In both the 

### Boiler 

### MACT and 

### NESHAP Subpart 

### UUUUU, EPA defined 

### PM asanappropriate surrogate 

### for metal 

### HAP emissions. 

### In the preamble (76 FR 25021) 

### to the proposed 

### NESHAP Subpart 

### UUUUU, EPA referenced the 

### following relevant 

### "other related 

### DC 

### Circuit Court Decisions." 

### Athird relevant 

### DC Circuit Court opinion is 

### National Lime

## II (233 

### F.3d 625), where, in 

### considering whether 

### EPA may use 

### PM, a

### crileria pollutant, as asurrogate

# þr melal 

### HAP, the 

### DC Circuit Court stated fhaf 

### EPA "may useasuruogate to 

### regulate hazardous

### pollutants if it is 

### 'reasonable' to do

### so" and 

### laid out 

### crileria establishing 

### a lhree 

### part analysis 

## for determining whether the useof 

### PM as a

### surrogatefor non-Hg metal 

### HAP was 

### reasonoble. The 

### DC Circuit Courtfound that 

### PM is a reasonable 

### surrogateþr HAP 

### if: (1) "HAP metals 

### are 

### invariably present 

### in

### PM;" (2) "PM control technology 

### indiscriminately captures 

### HAP metals 

### alongwith other 

### particulates;" and 

### (3) "PM control isthe only means by which 

### facilities 'achieve' reductions in 

### HAP metal 

### emissions." 233 

### F.3d at 

### 639. 

### If these

### criteria are satisfied and the 

### PM emission 

### slandards reflect what the besl sources 

### achieve-complying with CAA section 

### 7412(d)(3)-"EPA is under no

### obligation to achieve a

### particular numerical reduction in 

### HAP

I

### I Federal Register, 

### Yol.76, No. 85, pp.24976-25147 (May 3,2011).

BOr Norrh Foirfox sheer '

# ffi î:,i1.î*:,*J:;yJ'T'Håî:,1á,1"í3"i,::å;il:*t t

## I |

### 703 683' 2626

# Ïtl

### National Renderers 

### Association comments to the U.S. 

### Environmental Protection 

### Agency



### Major Source Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15, 

### 201I Page 14

metal 

### emissions." l\le have considered this case 

### inevalualing whether the

### surrogate standards we 

### propose to establish 

### in lhis 

### proposed rule are reasonable. The

### justification for using 

### PM emissions as asunogate 

### pollutant for non-mercury metal 

### HAP emissions 

### in NESHAP Subpart 

### UUUUU is the same 

### DC 

### Circuit Court 

### determination used 

### for the

### justification in 

### NESHAP Subpart 

### DDDDD. However, 

### it is 

### important to note that 

### EPA identifies 

### it is reasonable to use 

### PM asan

### optional surrogate

### for non-mercury metal 

### HAP in 

### NESHAP Subpart 

### UUUUU, but not 

### in NESHAP Subpart 

### DDDDD. Therefore, electric generating 

### units (EGUs) subject to 

### NESHAP Subpart 

### UUUUU 

### will have the 

### option to demonstrate compliance 

### with the 

### non-mercury metal 

### HAP surrogate 

### (PM) emissions 

### limitation, the

### total selected metals 

### (TSM) emissions 

### limitation, or the 

### individual nonmercury metal 

### HAP emissions 

### limitation(s). EPA has not 

### provided any

### justification under the 

### authority in Section I 

### 12(dXl) regarding 

### why they can enable combustion units that

### will be subject to 

### NESHAP Subpart 

### UUUUU, and 

### not combustion units subject to 

### NESHAP Subpart 

### DDDDD, to demonstrate compliance 

### with TSM or 

### individual non-merculy metal 

### HAP emissions 

### limitation(s) asan 

### altemativeto the metal 

### HAP surrogate 

### (PM). Boilers 

### with specifìc 

### fuel typessubject to either the proposed 

### NESHAP Subpart 

### UUUUU or 

### NESHAP Subparl 

### DDDDD generate metal 

### HAP emissions 

### in the same manner due to the metal 

### HAP constituents 

### inthe fuel 

### type. Therefore, the 

### NRA feels 

### boilers and process heaters subject to 

### NESHAP Subpart 

### DDDDD should also have the compliance demonstration 

### option for actual 

### non-mercury metal 

### HAP emissions 

### in addition to a

### non-mercury metal 

### HAP surogate (PM). The 

### NRA is not addressing 

### inthis comments letter whether 

### PM is an appropriate surrogate 

### optionfor non-mercury metal 

### HAP. Instead, the 

### NRA is 

### bringing to 

### EPA's attention that 

### by not 

### providing anoption 

### for direct measurement 

### ofTSM or 

### individual non-mercury metal 

### HAP content where 

### it isfeasible, 

### EPA is detaching the 

### rule from the 

### underlying statutory requirements 

### for control 

### of HAP (of which PM is not). The 

### NRA requests that 

### EPA finds 

### it is appropriate to include an

### option to demonstrate compliance 

### directly 

### with a

### TSM or 

### individual non-mercury metal 

### HAP emissions 

### limitation(s) via 

### fuel sarnpling 

### for NESHAP Subpart 

### DDDDD, asthe agency has already included 

### in the proposed 

### NESHAP Subpart 

### UUUUU. 

## Nox-MpncuRy MBr.ql HAP CorupLIANcE 

## MrrHons As noted above, the proposed 

### NESHAP Subpart 

### UUUUU includes 

### non-mercury metal 

### HAP sun'ogate 

### (PM), TSM, and 

### individual non-mercury metal 

### HAP emissions 

### limitations in Table 2

### of the proposed 

### rule.l2 For defined 

### unit types under proposed 

### NESHAP Subpart 

### UUUUU, the 

### individual non-mercury metal 

### HAP emissions 

### limitations are 

### includedfor antimony, arsenic, 

### beryllium, cadmium, chromium, cobalt, lead, manganese, 

### nickel, and selenium 

### pollutants. The proposed 

### rule compliance requirements 

### for the 

### TSM or non-mercury metal 

### HAP emissions 

### limitations include compliance testing using 

### EPA Method 

### 29 for metal 

### HAP concentrations and 

### EPA Method 

### l9 F-factor methodology as 

### identified inTable 

### 5. The 

### fuel analysis requirements 

### for individual metal 

### HAP content 

### in proposed 

### NESHAP Subpart 

### UUUUU is included 

### in Table 6.
l2 Federal Register, 

### Vol.76, No. 85, pp.25128 (May

### 3,201l).

B0r Norrh Foirrox skeer

## 'ffiÎ:å1"î,:;;:,*Jl;lJ'i'äåÎ:.1å.].í3åå"tt;:l:"t 

## trl I

### zo3 

### 6s3'2626Ítt

### National Renderers 

### Association comments to the U,S. 

### Environmental Protection

# Agency Page 15



### Major Source Boiler Rule - 

### Docket No. 

### EPA-HQ-OAR-2002-0058 July 15,201I
The 

### NRA requests that 

### similarfuel analysis and performance testing compliance methods 

### identified in 

### NESHAP Subpart 

### UUUUU also be 

### included in the 

### Boiler 

### MACT for the requested 

### TSM and 

### individual non-mercury 

### metal HAP emissions 

### limitations. The requested emissions 

### limitations 

### forTSM and 

### individual non-mercury metal 

### HAP emissions are requested by 

### NRA to be based on

### fuel analysis and emissions data

### for applicable 

### boilers obtained 

### from the 

### EPA Emissions Database.

The 

### NRA believes that 

### EPA should determine processed fats 

### boilers are a separate subcategory 

### from the 

### existing units designed to 

### burn 

### liquid fuel subcategory and that 

### it is 

### bothstatutorily reasonable and 

### technically appropriate 

### for EPA to enable the processed fats 

### boilersto demonstrate compliance 

### with the 

### NESHAP through 

### work practice standards, 

### Additionally, the 

### NRA feels the 

### EPA is 

### statutorily required to enable 

### boilers and process heaters subject to a 

### PM emissions 

### limitation in the

### final rule to have compliance demonstration 

### options

### of either a metal 

### HAP sunogate 

### (PM), TSM, or individual non

### merculy metal 

### HAP emissions 

### limitations. The 

### NRA certainly appreciates 

### EPA's efforts and values improvements 

### in air quality, and as such 

### respectfully submits that 

### EPA reconsiders the 

### portions

### of the rule addressed 

### inthis letter. Should 

### additional 

### clarification or information be desired concerning any 

### of these comments, please contact me at 

### (703) 683-2633 

### or DMeekerleùnatiottalrenderers.cotu. Sincerely, 

### NATIONAL RENDERERS 

### ASSOCIATION 

# ÐW

David 

### L. Meeker, Ph.D., 

### MBA Senior 

### Vice President, 

### Scientific Services 

### National Renderers 

### Association Attachment 

### cc: Mr, Brian Shrager Energy Strategies 

### Group, Sector Policies and Programs 

### Division, 

### (D243-0I) Office of

### Air Quality Planning and Standards U.S. 

### Environmental ProtectionAgency Research 

### Triangle Park, 

## NC 27711

B0r Norrh Foirrox sheer

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### AUG-1?-2005 10:45 aa. -r, Þi at.ã t"-'



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