Proposed Re-evaluation Decision PRVD2017-09, Isopropyl alcohol

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Summary

Table of Contents

Pest Management Regulatory Agency
21 July 2017

ISSN: 1925-0967 (PDF version)
Catalogue number: H113-27/2017-9E-PDF (PDF version)

What is the Proposed Re-evaluation Decision?

After a re-evaluation of isopropyl alcohol, the Health Canada Pest Management Regulatory Agency (PMRA), under the authority of the Pest Control Products Actand Regulations, is proposing continued registration of pest control products containing isopropyl alcohol for sale and use in Canada.

An evaluation of available scientific information found that pest control products containing isopropyl alcohol do not present unacceptable risks to human health or the environment when used according to the label directions. No new mitigation measures are proposed for continued registration.

This Proposed Re-evaluation Decision (PRVD2017-09) is a consultation document that summarizes the science evaluation for isopropyl alcohol and presents the reasons for the proposed re-evaluation decision. This proposal affects all end-use products containing isopropyl alcohol registered in Canada for use as a surface sanitizer.

The information in PRVD2017-09 is presented in two parts. The Overview describes the regulatory process and key points of the evaluation, while the Science Evaluation provides detailed technical information on the assessment of isopropyl alcohol.

The PMRA will accept written comments on Proposed Re-evaluation Decision PRVD2017-09, Isopropyl alcohol up to 90 days from the date of publication of PRVD2017-09. Please forward all comments to Publications.

What Does Health Canada Consider When Making a Re-evaluation Decision?

The PMRA pesticide re-evaluation program considers potential risks as well as the value of pesticide products to ensure they meet modern standards established to protect human health and the environment.

What is Isopropyl Alcohol?

Isopropyl alcohol is a hard-surface sanitizer for use in general household cleaning and sanitation, including sanitation of non-food and food contact surfaces such as countertops and to control mould and mildew on pre-cleaned hard non-porous surfaces (non-food use) such as bathroom tiles. The product is applied by spray for one minute of contact time, followed by wiping the surface dry. Currently, one technical grade active ingredient and one domestic class end-use product are registered in Canada.

Health Considerations

Can Approved Uses of Isopropyl Alcohol Affect Human Health?

Isopropyl alcohol is unlikely to affect your health when used according to the label directions.

Potential exposure to isopropyl alcohol may occur through the diet (food and water) or when handling and applying the product. When assessing health risks, two key factors are considered:

  • the levels at which no health effects occur and
  • the levels to which people may be exposed.

The levels used to assess risks are established to protect the most sensitive human population (for example, children and nursing mothers). As such, sex and gender are taken into account in the risk assessment. Continued registration is only supported for uses that are determined as having no health risks of concern.

People could be exposed to isopropyl alcohol through applying the end-use product and by entering treated sites. Exposure to isopropyl alcohol through application and entering treated sites is not of concern.

Occupational exposures of workers (professional cleaners) filling spray bottles and applying the sanitizer using a sprayer, as well as workers re-entering treated sites, are not of concern under current conditions of use. Exposure from residential use of isopropyl alcohol is also not of concern under registered conditions of use. Based upon the use pattern, dietary exposure to isopropyl alcohol is also not of concern.

Environmental Considerations

What Happens When Isopropyl Alcohol is Introduced into the Environment?

Isopropyl alcohol is not expected to be of concern to non-target aquatic and terrestrial organisms.

The use pattern for isopropyl alcohol is restricted to indoor uses – little, if any, environmental exposure is anticipated. Therefore, exposure and subsequent potential risk to non-target terrestrial and aquatic organisms is not of concern.

Value considerations

What is the value of isopropyl alcohol?

Isopropyl alcohol has value as a broad spectrum surface sanitizer due to a limited potential for the development of resistance due to rapid evaporation. It also contributes to delaying the development of resistance as an alternative to other sanitizers with different modes of action.

Next Steps

Before making a final re-evaluation decision on isopropyl alcohol, the PMRA will consider any comments received from the public in response to PRVD2017-09, Isopropyl alcohol. A science-based approach will be applied in making a final decision on isopropyl alcohol. The PMRA will then publish a Re-evaluation Decision that will include the decision, the reasons for it, a summary of comments received on the proposed decision, and the PMRA’s response to these comments.

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