# Wis. Admin. Code ATCP § 29.28: Pesticide mixers and loaders; certification

> Wisconsin · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_28

## Section

- **Citation:** Wis. Admin. Code ATCP § 29.28
- **Heading:** Pesticide mixers and loaders; certification
- **Jurisdiction:** Wisconsin
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Wisconsin Administrative Code / ATCP / Chapter ATCP 29 / § ATCP 29.28

## Text

Pesticide mixers and loaders; certification.
(1) Scope of certification. The department may certify an individual to mix or load pesticides for application by others. An individual certified under this section may mix and load pesticides for application by others in all of the categories under s. ATCP 29.31 , but may not do any of the following:
(a) Apply pesticides in any category under s. ATCP 29.31 .
(b) Engage in any activity for which a license is required under s. ATCP 29.25 unless that individual holds a license under s. ATCP 29.25 .
(2) Length of certification. A pesticide mixer and loader certification is valid for 5 years unless the department suspends or revokes the certification. The department may renew an individual’s certification for another 5 years if, before the individual’s certification expires, the individual again satisfies the requirements for certification.
(3) Certification card.
(a) Within 30 business days after an individual satisfies the requirements for certification under this section, the department shall issue a certification card to that individual. The card shall include all of the following:
1. The individual’s name and certification number.
2. A statement indicating that the individual is certified as a pesticide mixer and loader.
3. The expiration date of the certification.
(b) A pesticide mixer and loader shall carry a current certification card when engaged in any activity for which certification is required.
on card to that individual. The card shall include all of the following:
1. The individual’s name and certification number.
2. A statement indicating that the individual is certified as a pesticide mixer and loader.
3. The expiration date of the certification.
(b) A pesticide mixer and loader shall carry a current certification card when engaged in any activity for which certification is required.
(c) The department may, upon request, replace a certification card that is lost, stolen, damaged, or destroyed. The card holder shall pay the replacement cost.
(4) Certification standards. To be certified as a pesticide mixer and loader, an individual shall demonstrate practical knowledge and competency related to the general areas identified under s. ATCP 29.30 .
(5) Certification test. An individual shall demonstrate practical knowledge and competency under sub. (4) by scoring at least 70 percent on a written, closed-book examination administered by the department. An individual who fails an examination may be retested according to the procedure described in s. ATCP 29.26 (8) .
(6) Applying for certification. To apply for certification under this section, an individual shall follow the procedure described in s. ATCP 29.26 (9) .

## Nearby sections

- [Wis. Admin. Code ATCP § 29.01 Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_01.md)
- [Wis. Admin. Code ATCP § 29.05 Pesticide registration](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_05.md)
- [Wis. Admin. Code ATCP § 29.06 Pesticide labeling](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_06.md)
- [Wis. Admin. Code ATCP § 29.11 Pesticide manufacturers and labelers; fees](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_11.md)
- [Wis. Admin. Code ATCP § 29.12 Pesticide manufacturers and labelers; records and reports](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_12.md)
- [Wis. Admin. Code ATCP § 29.16 Pesticide sales records](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_16.md)
- [Wis. Admin. Code ATCP § 29.21 Commercial application business; records](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_21.md)
- [Wis. Admin. Code ATCP § 29.22 Commercial application business; information to customers](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_22.md)
- [Wis. Admin. Code ATCP § 29.28 Pesticide mixers and loaders; certification](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_28.md)
- [Wis. Admin. Code ATCP § 29.29 Special application methods; supplementary certification](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_29.md)
- [Wis. Admin. Code ATCP § 29.30 General certification standards](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_30.md)
- [Wis. Admin. Code ATCP § 29.31 Commercial applicators; certification categories](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_31.md)
- [Wis. Admin. Code ATCP § 29.32 Trainee registration](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_32.md)
- [Wis. Admin. Code ATCP § 29.33 Applicator records](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_33.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_ATCP_29_28. Check the current official text before relying on it. Not legal advice.