--- type: "Bill" title: "Environment and natural resources; air curtain incinerators; exceptions for certain burning operations. Effective date." description: "Environment and natural resources; air curtain incinerators; exceptions for certain burning operations. Effective date." jurisdiction: "us/states/ok" legislature: "Oklahoma Legislature" session: "2021" identifier: "SB 246" citation: "Oklahoma SB 246 (2021)" classification: ["bill"] subjects: [] status: "enacted" primary_sponsors: ["Allen", "Roberts (Sean)"] version_count: 8 action_count: 24 vote_count: 0 first_action: "2021-02-01" last_action: "2021-05-03" source: "openstates" source_identifier: "ocd-bill/115d80a9-f621-4bda-bb1f-be550e0f2fed" source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB246&session=2100" source_hash: "da6f16c5af22bedb1dfd02cd2efee8962a99f2fd9e2c11782d692153bf4bb927" 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-ok"] --- # Oklahoma SB 246 (2021) — Environment and natural resources; air curtain incinerators; exceptions for certain burning operations. Effective date. ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 INT/SB/SB246 INT.PDF) 2. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 AMENDMENTS/Amendment & Engr/SB246 HASB & ENGR.PDF) 3. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/SB/SB246 ENGR.PDF) 4. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/SB/SB246 ENR.PDF) 5. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/SB246 HFLR.PDF) 6. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/SB246 SFLR.PDF) 7. **House Committee Substitute for Senate Bill** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE SUBS/HCSS/SB246 HCS.PDF) 8. **SB246 FULLPCS1 SEAN ROBERTS-JBH.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/House/SB246 FULLPCS1 SEAN ROBERTS-JBH.PDF) ## Sponsors - Allen — primary (person) - Roberts (Sean) — primary (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2021-02-01** First Reading `introduction, reading-1` - **2021-02-01** Authored by Senator Allen - **2021-02-02** Second Reading referred to Energy `reading-2, referral-committee` - **2021-02-11** Reported Do Pass Energy committee; CR filed `committee-passage` - **2021-02-25** Coauthored by Representative Roberts (Sean) (principal House author) - **2021-03-02** General Order, Considered - **2021-03-02** Measure passed: Ayes: 38 Nays: 7 `passage` - **2021-03-02** Referred for engrossment - **2021-03-03** Engrossed to House `passage` - **2021-03-03** First Reading `introduction, reading-1` - **2021-03-22** Second Reading referred to Energy and Natural Resources `reading-2, referral-committee` - **2021-04-01** CR; Do Pass, amended by committee substitute Energy and Natural Resources Committee `committee-passage` - **2021-04-12** General Order - **2021-04-12** Third Reading, Measure passed: Ayes: 75 Nays: 18 `passage, reading-3` - **2021-04-12** Referred for engrossment - **2021-04-13** Engrossed, signed, to Senate `passage` - **2021-04-13** HAs read - **2021-04-28** HAs adopted - **2021-04-28** Measure passed: Ayes: 37 Nays: 8 `passage` - **2021-04-28** Referred for enrollment - **2021-04-29** Enrolled, to House - **2021-04-29** Signed, returned to Senate - **2021-04-29** Sent to Governor `executive-receipt` - **2021-05-03** Approved by Governor 05/03/2021 `executive-signature` ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/115d80a9-f621-4bda-bb1f-be550e0f2fed`. Confidence: reported (aggregated from official Oklahoma legislature records).