### Cover Letter

October 24, 2011 U.S. Environmental Protection Agency Office of Pollution Prevention & Toxics (New Chemicals Program) Premanufacture Notice Dear Madam or Sir, We are very excited about our new product, an activated phosphor, Beacon. This is a variation of similar products that have been in use for around twenty years. I have included all of the health and environmental exposure information that I could find from off of the internet. We have two patents that support this new product. These patents are located on page 12 in the list of attachments. This new chemical, from all of the information that we have seen, appears to be extremely safe for human health as well as for the environment. MSDS will be provided to all of our customers as well as to our employees. Our employees will also be provided initial safety & PPE training as well as refresher training. Although we believe that the residue from our new chemical could probably be safely rinsed down the drain, we will be wiping any residue with damp mops or cloths and disposing of this waste into the sanitary landfill. Please extend my thanks to Mr. Dave Schutz who has been kind enough to help me many times throughout this process. If you have any further questions, please feel free to call me anytime. Sincerely, Susanne Coolbroth Day & Zimmermann, Lone Star LLC Environmental, Health & Safety Specialist Susanne.coolbroth@dayzim.com phone: 903 255-2882 cell phone: 580 212-1002

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Susanne Coolbroth Environmental/Safety Specialist Day & Zimmermann, Lone Star, LLC Highway 82 West Texarkana TX 75505-9100 susanne.coolbroth@dayzim.com 903-255-2882 

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Page 6 SANITIZED SUBMISSIONPage 7 SANITIZED SUBMISSIONPage 8 SANITIZED SUBMISSIONAluminum strontium oxide (Al2SrO4) doped

Dialuminium strontium tetraoxide doped Strontium aluminate doped Beacon 520, Beacon 520S, Beacon 520J, Beacon 520TX, Beacon 520X, are the same formula but different particulate size.
Complex strontium aluminate, rare earth doped Unidentified 1

Carbon dioxide 124-38-9

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Page 11 SANITIZED SUBMISSIONPage 12 SANITIZED SUBMISSIONPage 13 SANITIZED SUBMISSIONAluminum strontium oxide (Al2SrO4) doped

Dialuminium strontium tetraoxide doped Strontium aluminate doped Beacon 520FC Same formula, different particulate size Beacon 520FC, Beacon 520FCX
Complex strontium aluminate, rare earth doped Unidentified 1

Carbon dioxide 124-38-9

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Page 16 SANITIZED SUBMISSIONPage 17 SANITIZED SUBMISSIONPage 18 SANITIZED SUBMISSIONAluminum strontium oxide (Al2SrO4) doped

Dialuminium strontium tetraoxide doped Strontium aluminate doped Beacon 520SD Same formula, different particulate size Beacon 520SDX
Complex strontium aluminate, rare earth doped Unidentified 1

Carbon dioxide 124-38-9

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Page 21 SANITIZED SUBMISSIONPage 22 SANITIZED SUBMISSIONPage 23 SANITIZED SUBMISSIONDoped strontium aluminate,

Tetradeccaaluminum tetrastrontium pentacosaoxide doped Beacon 490 Same formulas, different particulate sizes Beacon 490S, Beacon 490T, Beacon 490SX, Beacon 490TX
Complex strontium aluminate, rare earth doped Unidentified 1

Carbon dioxide 124-38-9

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Page 26 SANITIZED SUBMISSIONPage 27 SANITIZED SUBMISSIONPage 28 SANITIZED SUBMISSIONDoped strontium aluminate,

Tetradeccaaluminum tetrastrontium pentacosaoxide doped
Beacon 490PX

Complex strontium aluminate, rare earth doped Unidentified 1

Carbon dioxide 124-38-9

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X The new chemical will be used as a photoluminescent pigment. The pigment will be shipped to our customers who will incorporate the pigment into fluids, paints, coatings, inks, injection molding etc. for, but not limited to: Emergency Signs, Traffic Indication Signs, Switches, Military Applications, High Visibility Signs, Safety Location Markings and any other application where a long afterglow and/or lighting is needed. XXX X XXX X XXX X 0 0 80 20

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### X Sanitary Landfill

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The proces at industrial sites that we do not control will vary according to each customers requirements, applications and the volume needed. THE SECTION BELOW WILL NOT ALLOW FOR A RANGE DESIGNATION. THE NEW SUBSTANCE WILL HAVE A RANGE OF APPROXIMATELY 20-60%.

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Page 36 SANITIZED SUBMISSIONSafety Glasses, gloves, follow safety recommendations provided in the MSDS

unknown unknown dust, drips, spills, provide appropriate ventilation and good housekeeping

Page 37 SANITIZED SUBMISSIONTritium EXIT signs used at some military bases are radioactive, expensive to dispose of, and in many or most cases require special handling and

record keeping as hazardous nuclear waste. These radioactive signs can be replaced by photoluminescent signs containing our pigment. Photoluminescent safety products are sustainable and can earn LEED credits points for building owners in green building design and construction. They can be used to retrofit existing buildings, are ideal for historical preservation, and can be used to significantly reduce the energy budget and electrical infrastructure for new construction. Installation costs are very low, they require fewer building materials to make, are maintenance free, and consume ZERO energy because they are charged by ambient light. Also, photoluminescent safety products are effective and, in many emergency cases, superior to other methods.

Page 38 SANITIZED SUBMISSION001 strontium lanthanum aluminate imgsrv.png See continuation page. id: <P12001> 1 002 Sanitized Beacon Flow Chart phosphor flow chart sanitized.ppt 1 003 Beacon 490PX US Phosphor Beacon 490PX.rtf 6 004 patent us phosphor patent.pdf 28 005 2nd Patent US Phosphor 2nd patent 7910022.pdf 18 006 EPA assessment EPA risk assessment rare earths.pdf 52 007 MSDS Beacon 490S.rtf 6 008 MSDS Beacon 520FC.rtf 6 009 MSDS Beacon 520S.rtf 6 010 MSDS Beacon 520SD.rtf 6 011 similar product, example of use phosphor australia ad.pdf 0 012 similar product, Australian Tox Study luminova tox study.doc 36 013 example of hazard reduction, military use phosphor defense.doc 2 014 similar product, Canadian tox study Ecoglo Toxicity-Test.pdf 5 015 Occupationa,l Health, Safety, & Environmental Phosphor luxalum australian.txt 4 016 Complex strontium aluminate, rare earth doped Beacon 520 generic.doc Pt.I, Sec.B, 1c. 1 017 Complex strontium aluminate, rare earth doped Beacon 520FC generic.doc Pt.I, Sec.B, 1c. (Chem 2) 1 018 Complex strontium aluminate, rare earth doped Beacon 520SD generic.doc Pt.I, Sec.B, 1c. (Chem 3) 1 019 Complex strontium aluminate, rare earth doped Beacon 490S generic.doc Pt.I, Sec.B, 1c. (Chem 4) 1 020 Complex strontium aluminate, rare earth doped Beacon 490PX generic.doc Pt.I, Sec.B, 1c. (Chem 5) 1
Page 39 SANITIZED SUBMISSIONP12001 List of Attachments, Associated PMN Section No., ID: 001

Pt.I, Sec.B, 1e. | Pt.I, Sec.B, 1e. (Chem 2) | Pt.I, Sec.B, 1e. (Chem 3) | Pt.I, Sec.B, 1e. (Chem 4) | Pt.I, Sec.B, 1e. (Chem 5)

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### X Measured negligible Estimate 20

0.3 Estimate 20 >982 Estimate

10 Estimate 10% in water NA Estimate NA Estimate 10-40 um Estimate
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### ATTACHMENT HEADER SHEET Attachment Number 001 Attachment Name strontium lanthanum aluminate 

### Associated PMN Section Number Pt.I, Sec.B, 1e. | Pt.I, Sec.B, 1e. (Chem 2) | Pt.I, Sec.B, 1e. (Chem 3) | Pt.I, Sec.B, 1e. (Chem 4) | Pt.I, Sec.B, 1e. (Chem 5) Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 002 Attachment Name Sanitized Beacon Flow Chart 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 003 Attachment Name Beacon 490PX 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 004 Attachment Name patent 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 005 Attachment Name 2nd Patent 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 006 Attachment Name EPA assessment 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 007 Attachment Name MSDS 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 008 Attachment Name MSDS 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 009 Attachment Name MSDS 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 010 Attachment Name MSDS 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 011 Attachment Name similar product, example of use 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 012 Attachment Name similar product, Australian Tox Study 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 013 Attachment Name example of hazard reduction, military use 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 014 Attachment Name similar product, Canadian tox study 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 015 Attachment Name Occupationa,l Health, Safety, & Environmental Assessment 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 016 Attachment Name Complex strontium aluminate, rare earth doped 

### Associated PMN Section Number

Pt.I, Sec.B, 1c. Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 017 Attachment Name Complex strontium aluminate, rare earth doped 

### Associated PMN Section Number Pt.I, Sec.B, 1c. (Chem 2) Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 018 Attachment Name Complex strontium aluminate, rare earth doped 

### Associated PMN Section Number Pt.I, Sec.B, 1c. (Chem 3) Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 019 Attachment Name Complex strontium aluminate, rare earth doped 

### Associated PMN Section Number Pt.I, Sec.B, 1c. (Chem 4) Does not contain CBI 

### Report Number PMN1111024209061781

### ATTACHMENT HEADER SHEET Attachment Number 020 Attachment Name Complex strontium aluminate, rare earth doped 

### Associated PMN Section Number Pt.I, Sec.B, 1c. (Chem 5) Does not contain CBI 

### Report Number PMN1111024209061781