| Name | Description | |
| Dow Phthalate & Lead Letter | Letter from Dow stating that the urethanes used by RI do not contain phthalates | DOWNLOAD |
| Latex letter RTH Processing | Letter from RTH regarding latex content in EPDM | DOWNLOAD |
| Latex Letter Rose Hill Polymers | Letter regarding the content of latex in TPV rubber granules | DOWNLOAD |
| California Recycle Letter | Letter from West Coast Rubber regarding California waste tires | DOWNLOAD |