### Question
What is the definition of biomass?


### Answer
The definition of **biomass** is as follows in *42 U.S.C. § 15852*:

> 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-NATIONAL ENERGY POLICY AND PROGRAMS > SUBCHAPTER II-RENEWABLE ENERGY > Part A-General Provisions**

