Colorado Revised Statutes

Colo. Rev. Stat. § 25-15-102 (2026)

Effective dates

✓ current as of July 2026
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(1) Parts 1 and 2 of this article shall take effect July 1, 1981.

(2) Section 25-15-302 shall take effect January 1, 1982.

(3) Part 3 of this article, except section 25-15-302, shall take effect November 2, 1984.

Source: L. 81: Entire article R&RE, p. 1346, § 1, effective July 1. L. 92: (3) amended, p. 1258, § 16, effective August 1.

Editor's note: Subsection (3), as enacted by Senate Bill 81-519, provided that the effective date of part 3 was July 1, 1983, or the date upon which the department of health received final federal authorization to conduct the state hazardous waste program in lieu of the entire federal program under section 3006 of the federal act, whichever was later. The authorization was received on November 2, 1984. Subsection (3) was changed on revision to reflect this date.

Notes of Decisions
Cited in 2 cases, 2002–2003 · leading case: People v. Thoro Prods. Co., Inc., 70 P.3d 1188 (Colo. 2003).
People v. Thoro Prods. Co., Inc., 70 P.3d 1188 (Colo. 2003). · cites it 8× “I conclude that the General Assembly intended to make persons criminally responsible for unpermitted spills of hazardous wastes occurring after the effective date of Colorado's hazardous waste act, November 2, 1984, see section 25-15-102(3), 8 C.R.S. (2002), but barred…”
People v. Thoro Prods. Co., 45 P.3d 737 (Colo. Ct. App. 2002). · cites it 2× “As of July 1, 1981, when the disposal site provisions of Colorado's Hazardous Waste Act became effective, see §25-15-102(1), C.R.S. 2000, Thoro was in active operation and allowing solvents to be discharged into the soil on its property.”
— Colo. Rev. Stat. § 25-15-102(1) — 1 case
People v. Thoro Prods. Co., 45 P.3d 737 (Colo. Ct. App. 2002). “As of July 1, 1981, when the disposal site provisions of Colorado's Hazardous Waste Act became effective, see §25-15-102(1), C.R.S. 2000, Thoro was in active operation and allowing solvents to be discharged into the soil on its property.”
— Colo. Rev. Stat. § 25-15-102(3) — 1 case
People v. Thoro Prods. Co., Inc., 70 P.3d 1188 (Colo. 2003). “I conclude that the General Assembly intended to make persons criminally responsible for unpermitted spills of hazardous wastes occurring after the effective date of Colorado's hazardous waste act, November 2, 1984, see section 25-15-102(3), 8 C.R.S. (2002), but barred…”
— Colo. Rev. Stat. § 25-15-102(8) — 1 case
People v. Thoro Prods. Co., Inc., 70 P.3d 1188 (Colo. 2003). “I conclude that the General Assembly intended to make persons criminally responsible for unpermitted spills of hazardous wastes occurring after the effective date of Colorado's hazardous waste act, November 2, 1984, see section 25-15-102(3), 8 C.R.S. (2002), but barred…”
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