# Wis. Admin. Code NR § 445.01: Applicability; purpose

> Wisconsin · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_01

## Section

- **Citation:** Wis. Admin. Code NR § 445.01
- **Heading:** Applicability; purpose
- **Jurisdiction:** Wisconsin
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Wisconsin Administrative Code / NR / Chapter NR 445 / § NR 445.01

## Text

Applicability; purpose.
(1) Applicability.
(a) This chapter applies to all stationary air contaminant sources which may emit hazardous contaminants and to their owners and operators.
(b) The emission limitations and control requirements in this chapter do not apply to hazardous air contaminants emitted by the emissions units, operations or activities that are regulated by an emission standard promulgated under section 112 of the Clean Air Act ( 42 USC 7412 ). Hazardous air contaminants “regulated by an emission standard promulgated under section 112 of the Act” means the hazardous air contaminants that are regulated by section 112 by the name of the contaminant, by virtue of regulation of another substance as a surrogate for the contaminant, or by virtue of regulation of a species or category of hazardous air contaminants that includes the contaminant.
(2) Purpose. This chapter is adopted under ss. 285.11 , 285.13 , 285.17 and 285.27 , Stats., to establish emission limitations for hazardous contaminants from stationary sources.

## Nearby sections

- [Wis. Admin. Code NR § 445.01 Applicability; purpose](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_01.md)
- [Wis. Admin. Code NR § 445.02 Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_02.md)
- [Wis. Admin. Code NR § 445.03 General limitations](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_03.md)
- [Wis. Admin. Code NR § 445.06 Safe harbor](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_06.md)
- [Wis. Admin. Code NR § 445.08 Compliance requirements](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_08.md)
- [Wis. Admin. Code NR § 445.09 Fuel, control and compliance requirements for compression ignition internal combustion engines combusting fuel oil](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_09.md)
- [Wis. Admin. Code NR § 445.10 Control and compliance requirements for the handling and storage of coal](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_10.md)
- [Wis. Admin. Code NR § 445.12 Variances](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_12.md)
- [Wis. Admin. Code NR § 445.13 Review of hazardous air contaminant requirements](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_13.md)
- [Wis. Admin. Code NR § 445.14 Hazardous air contaminant studies](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_14.md)
- [Wis. Admin. Code NR § 445.15 Additional provisions related to the control of hazardous air contaminants](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_15.md)
- [Wis. Admin. Code NR § 445.16 Notice of hazardous substance air spills](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_16.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_445_01. Check the current official text before relying on it. Not legal advice.