### 1

Date: December 14 , 20 1 1 Subject: Minutes of the December 13 , 201 1 Meeting s with Representatives of the North

American Insulation Manufacturer’s Association Wool Fiberglass and Mineral Wool RTR EPA Contract No. EP - D - 11 - 084 ; EPA Work Assignment No. 0 - 10 RTIProject No. 021 3199 .00 0 .010 From: David Reeves , RTI To: Susan Fairchild

OAQPS/SPPD/MMG (D243
- 02) U.S. Environmental Protection Agency Research Triangle Park, NC 27711 I. Introduction M eeting s with representatives of the North American Insulation Manufacturer’s Association (NAIMA) and the wool fiberglass manufacturing and mineral wool production industries was held at the U.S. Environmental Protection Agency (EPA) facility in Research Triangle Park, NC , on December 13 , 201 1 . The meeting s w ere reques ted by NAIMA to present their questions and clarifications related to the recent proposal for w ool fiberglass (subpart NNN) and mineral wool (subpart DDD)
. This memorandum summarizes the major topics discussed during the meeting
. II. Attendees See Attachment 1 (mineral wool) and Attachment 2 (wool fiberglass). III. Discussion **Mineral Wool Production** Ms. Fairchild conducted introductions of every one and Mr. Crane provided handouts of “The NAIMA Mineral Wool Industry Presentation to EPA” which is included as Attachment 3. Th e following bullets summarize discussion topics and comments made during the meeting :

 6 of the 7 mineral wool companies are small businesses
.  Raw materials could be a source of HF and H Cl emissions; rock does have Cl.  HF and HCl were not on industry ’s “radar screen” before; therefore, they do not have an y historical data  It is problematic to switch over to natural rock for several technical and logistical reasons , including proximity to main raw material suppliers.  Some operating permits s pecify that raw materials cannot be changed.
.

### 2

 Caustic sorbents are needed to reduce SO2
.  Greater energy

would be needed to melt some rock; requiring more coke (fuel) and would likely

result in higher secondary emissions
.  Recy cled (slag) content is a major marketing issue for the mineral wool industry
.  Industry

requests alternate limits since any add
- on control equipment such as dry or wet scru bbers would be cost prohibitive
.  Some of the curing/collection emission limits look like incorrect test data was u sed.  Requested clarification on the performance test requirement for an y raw material change greater than 10%.  Startup/shutdown provisions are problematic. There is no historical test data related to startups or shutdowns. Some shutdowns only last 30 minutes and the compliance testing involves three 1
- hour test runs. **Wool Fiberglass Manufacturing**  Ms. Fairchild conducted introductions of every one and Mr. Crane provided handouts of “The NAIMA Wool Fiberglass Industry Presentation to EPA” which is include d as Attachment 4. Th e following bullets summarize discussion topics and comments made during the meeting:

 Majority

of companies and facilities have switched to non
- formaldeh yde binders.  The hexavalent chrome issue is related to one facility ; new test in g results showed 11.91 pounds per year of hexavalent chrome emissions; additional testing being done on the other furnace at the facilit y.  Industry

recommending subcategorization for glass
- melting furnaces.  Industry

has conducted their own risk analy sis us ing 25 pounds of hexavalent chromium to demonstrate cancer risk below 1
- in
- 1 million
.  Industry

asked why

the proposed rule changed the required test method from method 316 to method 318
.  Low - densit y products require a lot of natural gas to melt the glass.  Industry

asked if any

of the test results from non
- bonded lines were used in the MACT floor anal ys es .  Wet scrubber technology may not be a viable control if the inlet concentrations are very low; also need to consider secondary impacts
.

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**H ill,**  **NC Gen**  **er al** 

**Cou ns**  **el & V** **.P. 919-**  **932- 6672**  **na ncywort**  **h.davi s@**  **gmai l.com**  **Mic ha**  **el Mc**  **La ug**  **hlin Ro**  **xul, I**  **nc .**  **Milto n,**  **Can ad**  **a Vi**  **ce Pr**  **esi de**  **nt Bu**  **si ne**  **ss Dev .**  **905- 875-**  **9353 mi**  **chae l.m**  **cla ughlin@roxul.com**  **Ben t J**  **or gen**  **son Ro**  **xul, I**  **nc .**  **Milto n,**  **Can ad**  **a Vic**  **e Pr esi**  **de nt**  **Ope ra**  **tio ns**  **905- 875-**  **9304 be**  **nt .jorgense**  **n@r ox**  **ul .com**  **Su san**  **Fai rc**  **hild EPA**  **- OA**  **QPS - MMG**  **RTP, NC Pr**  **oj ect**  **L ead**  **919- 541-**  **5167 fa**  **irc hild.**  **su san**  **@ep a.gov**  **Wi nifre**  **d Okoy**  **e (via**  **p ho**  **ne )**  **EPA - OGC**  **Wa sh** **ing to**  **n, DC**  **Atto rne**  **y 202-**  **564- 5446**  **okoye.winifred@epa.gov Ke**  **ith Bar** **ne tt**  **EPA -** **OA QPS -** **MMG RTP, NC**  **Met al**  **s & Mf g Gr** **ou p**  **Le ad**  **er 919-**  **541- 5605**  **ba rne**  **tt.k ei**  **th@ ep**  **a.gov St**  **ef fa**  **n Joh**  **ns on**  **EPA -** **OA QPS -** **MPG RTP, NC**  **Test ing**  **/Me asu**  **re me**  **nt 919-**  **541- 4790**  **jo hns**  **on .st**  **ef fa**  **n@ ep**  **a.gov Ch**  **ris Sar**  **son y**  **EPA - OA** **QPS - A** **TA G**  **RTP, NC Ri**  **sk A ssessm**  **en t**  **919- 541-**  **4843 sa**  **rsony.chris @e**  **pa.gov Dav**  **e Gu innup**  **EPA - OA** **QPS - A** **TA G**  **RTP, NC AT**  **AG Gr**  **ou p**  **Le ad**  **er 919-**  **541- 5368**  **gui nnup.dave**  **@ep a.gov**  **Dav e Reev** **es RTI**  **RTP, NC EPA**  **Con tra**  **ct or**  **919- 316-**  **3739 dwreeves@rt**  **i.org Ci**  **ndy Ha**  **nc y**  **(via p**  **ho ne**  **) RTI**  **RTP, NC EPA**  **Con tra**  **ct or**  **919- 541-**  **6623 chancy@rt**  **i.org** 

### At **tac hme**  **nt 1 -** **EPA Mee ting**  **with NAIMA a nd**  **Mine ral Wool**  **Produc tion**  **In dustry**  **Repr es**  **en tative**  **s on Dece**  **mbe r 1**  **3, 2011** 

### 4

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**Man ager** 

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**Cou ns**  **el 419-**  **248- 7448**  ken.gould@ owensc or ning.c om **Mik e Pet** **tis Owen**  **s Cor**  **ning Gr**  **an ville**  **, OH Le**  **ad er**  **- I**  **ns ula**  **tio n**  **En v**  **740- 827-**  **7087** mi ke .pe tti s@ owe nsc or ning.c om
**Su san**  **Fai rc**  **hild EPA**  **- OA** **QPS -**

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**via p**  **ho ne**  **) EPA** 

**- OGC**  **Wa sh**  **ing to**  **n, DC**  **Atto rne**  **y 202-**  **564- 5446**  **okoye.winifred@epa.gov Ch**  **ris Sar**  **son y**  **EPA -** **OA QPS -** **A TA** **G RTP, NC**  **Ri sk A** **ssessm en**  **t 919-**  **541- 4843**  **sa rs**  **ony.chri s@epa.gov**  **Dav e Gu**  **innup EPA**  **- OA** **QPS - A** **TA G**  **RTP, NC AT**  **AG Gr**  **ou p**  **Le ad**  **er 919-**  **541- 5368**  **gui nnup.dave**  **@e pa.gov**  **Dav e Reev** **es RTI**  **RTP, NC EPA**  **Con tra**  **ct or**  **919- 316-** **3739 dwreeves@rti.org**  **Ci ndy**  **Ha nc**  **y (via**  **p ho**  **ne )**  **RTI RTP, NC**  **EPA Con** **tra ct**  **or 919-**  **541 - 6623**  **chancy@rt i.org**  

### At **tac hment 2**  **- EPA M**  **eet ing with NAIMA and Fib**  **er glass Manuf**  **ac ture**  **rs on De**  **cember 13,**  **2011**