---
type: "Bill"
title: "Increase Public Protection Air Toxics Emissions"
description: "The act defines \"covered air toxics\" as hydrogen cyanide, hydrogen sulfide, and benzene. A stationary source of air pollutants that reported in its federal toxics release inventory filing at least one of the following amounts of a covered air toxic for the year 2017 or later is defined as a \"covered facility\":"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2020A"
identifier: "HB 20-1265"
citation: "Colorado HB 20-1265 (2020A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Adrienne Benavidez", "Alex Valdez", "Dominick Moreno", "Julie Gonzales"]
version_count: 10
action_count: 16
vote_count: 3
first_action: "2020-02-03T07:00:00+00:00"
last_action: "2020-07-02T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/8f36f0e4-cf67-4a6b-8c04-c3f799bdedea"
source_url: "http://leg.colorado.gov/bills/hb20-1265"
source_hash: "8979e93984c6101737c019a635e808172020c26569aaf6b7dd594bee0e68bd37"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-co"]
---

# Colorado HB 20-1265 (2020A) — Increase Public Protection Air Toxics Emissions

The act defines "covered air toxics" as hydrogen cyanide, hydrogen sulfide, and benzene. A stationary source of air pollutants that reported in its federal toxics release inventory filing at least one of the following amounts of a covered air toxic for the year 2017 or later is defined as a "covered facility":

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_hb1265_s_fin_001.pdf)
2. **Engrossed (06/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_eng.pdf)
3. **Final Act (06/29/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_enr.pdf)
4. **Introduced (02/03/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_01.pdf)
5. **PA1 (03/10/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265ene_01.pdf)
6. **PA2 (06/03/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265fin.pdf)
7. **Reengrossed (06/05/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_ren.pdf)
8. **Rerevised (06/11/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_rer.pdf)
9. **Revised (06/10/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1265_rev.pdf)
10. **Signed Act (07/02/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_1265_signed.pdf)

## Votes

- BILL — **20–15** (pass) · upper
- BILL — **39–25** (pass) · lower
- BILL — **21–14** (pass) · upper

## Sponsors

- Adrienne Benavidez — primary (person)
- Alex Valdez — primary (person)
- Dominick Moreno — primary (person)
- Julie Gonzales — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2020-07-02T06:00:00+00:00** Governor Signed `executive-signature`
- **2020-06-29T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2020-06-29T06:00:00+00:00** Signed by the President of the Senate
- **2020-06-29T06:00:00+00:00** Signed by the Speaker of the House
- **2020-06-11T06:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-11T06:00:00+00:00** Senate Third Reading Reconsidered - No Amendments
- **2020-06-11T06:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-10T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2020-06-08T06:00:00+00:00** Senate Committee on Finance Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2020-06-06T06:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`
- **2020-06-06T06:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-04T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2020-06-03T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2020-05-28T06:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2020-03-09T06:00:00+00:00** House Committee on Energy & Environment Refer Amended to Finance `referral-committee`
- **2020-02-03T07:00:00+00:00** Introduced In House - Assigned to Energy & Environment + Appropriations `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8f36f0e4-cf67-4a6b-8c04-c3f799bdedea`. Confidence: reported (aggregated from official Colorado legislature records).