Public Resources Code section 19517

Physical Composition
Particle Size: Cullet shall be one of two types below depending upon the requirements of the fiberglass manufacturer.
Screen Size
Coarse Cullet
Fine Cullet
+¼″
0%
0%
+12 Mesh
25% Minimum
0.5% Maximum
–200 Mesh
15% Maximum
15.0% Maximum
Color Distribution
Tolerance
(+or–
Type
Nominal Percentage Weight
Percentage Range)
Flint
0–100
+ or–3.0
Green
1–100
+ or–3.0
Amber
less than 25
+ or–3.0

Source: Section 19517, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PRC§ionNum=19517.­ (updated Jan. 1, 1991; accessed Jun. 30, 2025).

Green check means up to date. Up to date

Verified:
Jun. 30, 2025

§ 19517's source at ca​.gov