---
type: "Bill"
title: "Regulate Air Toxics"
description: "Current law defines as a \"covered facility\" a stationary source of air pollutants that reported in its federal toxics release inventory filing at least one of the following amounts of the following \"covered air toxics\" in one year:For hydrogen cyanide, 10,000 pounds;"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "HB 21-1189"
citation: "Colorado HB 21-1189 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Adrienne Benavidez", "Alex Valdez", "Dominick Moreno", "Julie Gonzales"]
version_count: 11
action_count: 19
vote_count: 6
first_action: "2021-03-04T07:00:00+00:00"
last_action: "2021-06-24T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/2569c5fc-d6ff-4d38-b499-0be09db9fea9"
source_url: "http://leg.colorado.gov/bills/hb21-1189"
source_hash: "e145b6e7a92fdb1e389371b972e5f703f5141e31e72718761413a7fbfa5a2de0"
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 21-1189 (2021A) — Regulate Air Toxics

Current law defines as a "covered facility" a stationary source of air pollutants that reported in its federal toxics release inventory filing at least one of the following amounts of the following "covered air toxics" in one year:For hydrogen cyanide, 10,000 pounds;

## 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/2021a_hb1189_s_app_002.pdf)
2. **Engrossed (05/19/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_eng.pdf)
3. **Final Act (06/23/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_enr.pdf)
4. **Introduced (03/04/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_01.pdf)
5. **PA1 (03/26/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189ene_01.pdf)
6. **PA2 (05/12/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189fin.pdf)
7. **PA3 (05/18/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189app.pdf)
8. **Reengrossed (05/20/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_ren.pdf)
9. **Rerevised (06/02/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_rer.pdf)
10. **Revised (06/01/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1189_rev.pdf)
11. **Signed Act (06/24/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_1189_signed.pdf)

## Votes

- COW * — **35–0** (pass) · upper
- RECONSIDERATION — **21–14** (pass) · upper
- BILL — **40–23** (pass) · lower
- BILL — **22–12** (pass) · upper
- CONCUR — **42–23** (pass) · lower
- REPASS — **41–24** (pass) · lower

## 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.

- **2021-06-24T06:00:00+00:00** Governor Signed `executive-signature`
- **2021-06-23T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-06-23T06:00:00+00:00** Signed by the Speaker of the House
- **2021-06-23T06:00:00+00:00** Signed by the President of the Senate
- **2021-06-08T06:00:00+00:00** House Considered Senate Amendments - Result was to Concur - Repass
- **2021-06-04T06:00:00+00:00** House Considered Senate Amendments - Result was to Laid Over Daily
- **2021-06-02T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-06-02T06:00:00+00:00** Senate Third Reading Reconsidered - No Amendments
- **2021-06-02T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-06-01T06:00:00+00:00** Senate Second Reading Special Order - Passed with Amendments - Floor
- **2021-06-01T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2021-05-25T06:00:00+00:00** Senate Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2021-05-20T06:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`
- **2021-05-20T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2021-05-19T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2021-05-18T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-05-10T06:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2021-03-25T06:00:00+00:00** House Committee on Energy & Environment Refer Amended to Finance `referral-committee`
- **2021-03-04T07:00:00+00:00** Introduced In House - Assigned to Energy & Environment + Finance `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2569c5fc-d6ff-4d38-b499-0be09db9fea9`. Confidence: reported (aggregated from official Colorado legislature records).