A Practical Understanding of the Polymer ... - Keller Heckman
A Practical Understanding of the Polymer ... - Keller Heckman
A Practical Understanding of the Polymer ... - Keller Heckman
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A <strong>Practical</strong> <strong>Understanding</strong> <strong>of</strong> <strong>the</strong> <strong>Polymer</strong> Exemption Under TSCA<br />
Table <strong>of</strong> Contents<br />
Introduction ................................................................................................ 1<br />
I. <strong>Polymer</strong> Exemption Requirements........................................................ 3<br />
A. Paragraph (e) Conditions .................................................................. 3<br />
1. Condition (e)(3) ........................................................................ 3<br />
2. Condition (e)(1) ........................................................................ 4<br />
3. Condition (e)(2) ...................................................................... 4<br />
B. Exclusions ........................................................................................ 5<br />
1. (d)(4); Unreviewed Reactants...................................................... 5<br />
2. (d)(1); Positively Charged <strong>Polymer</strong>s ............................................ 6<br />
3. (d)(2); Atomic Element Limitations ............................................ 6<br />
4. (d)(3); Instability........................................................................ 7<br />
5. (d)(5); High Molecular Weight, Water-Absorbing <strong>Polymer</strong>s .......... 8<br />
6. Reactive Functional Groups ...................................................... 10<br />
7. Molecular Weight Less Than 1000 ............................................ 12<br />
C. <strong>Polymer</strong> Definition.......................................................................... 12<br />
II. The Two-Percent Rule ........................................................................ 13<br />
III. Reporting and Recordkeeping .......................................................... 16<br />
A. Reports............................................................................................ 16<br />
B. Records............................................................................................ 16<br />
IV. Summary.............................................................................................. 17<br />
Endnotes .................................................................................................... 19
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