### Question
How does the law define biomass?


### Answer
Under *42 U.S.C. § 15852*, **biomass** is defined as:

> any lignin waste material that is segregated from other waste materials and is determined to be nonhazardous by the Administrator of the Environmental Protection Agency and any solid, nonhazardous, cellulosic material that is derived from—


(A) any of the following forest-related resources: mill residues, precommercial thinnings, slash, and brush, or nonmerchantable material

#### Citation:
  - *42 U.S.C. § 15852*
  - Heading: **CHAPTER 149-ENERGY POLICY, 2005 > SUBCHAPTER II-RENEWABLE ENERGY > Part A-General Provisions**

