Mr. Speaker, if not properly managed, pests can affect our quality of life in many different ways. Fungi or mould can cause a farmer's field of wheat to be unacceptable. Weeds can reduce that same farmer's yield by almost half. Spruce budworm and western beetles are wreaking havoc in many of Canada's forests. Mosquitoes can carry the risk of West Nile virus. No one wants cockroaches in their residences or bedbugs in their beds. Pests can represent a threat to public health and to the environment and can create significant negative impacts for our economy if they are not efficiently controlled.
As many members are aware, pesticides are products that are developed to control, destroy or inhibit the activities of pests. Some pesticide products are available for domestic or home use, while a larger number are available for commercial or restricted uses.
At the same time, pesticides differ from many other substances that enter our environment. They are not byproducts of another process but are intentionally used and released for specific purposes. The biological activity of most pesticides is what makes them valuable to Canadian society, while at the same time it means that the use and release of these products must be carefully regulated and controlled.
There can be risks associated with the use of pesticides. For this reason, pesticides are among the most rigorously tested and regulated substances in the world. In Canada, all pesticides are subject to the federal Pest Control Products Act. Under this act, pesticides must be approved and registered before sale or use in Canada.
It is Health Canada's Pest Management Regulatory Agency, the PMRA, that is responsible for administering this act. For a product to be approved, the health risks, the environmental risks and the value of the product must all be acceptable.
Before a new pesticide is registered, more than 200 scientific studies must be conducted to determine if the pesticide would cause any negative effects on people, animals, birds, insects and plants, as well as the soil and the water.
Detailed studies regulating possible adverse health effects must be carried out by industry, investigating effects that may result from acute, short term or chronic exposures. Studies are required to assess potential long term adverse effects on reproduction, development, the endocrine, nervous and immune systems, and the toxic effects such as cancer. All possible routes of exposure such as ingestion, deposit on the skin and inhalation are examined.
The PMRA requires and evaluates special studies that characterize the unique exposures of infants and children. These studies examine the potential effects of pesticide exposure on the pregnant mother, the fetus and the young child. Studies that consider the unique exposures of children include the minute exposure to residues in breast milk and in fruits and vegetables, as well as exposure through skin contact with treated surfaces while crawling or playing.
These studies are carefully evaluated by the PMRA scientists to ensure that the pesticide does not pose a health concern when used according to the label. Maximum residue limits, or MRLs, are set if pesticides are used on food crops. These limits ensure that the consumption of food, for a lifetime, does not pose a health concern. If the submitted data or any other relevant scientific evidence, including results of epidemiology studies, raise health concerns about the pesticides and its proposed use, the pesticide is not registered.
A similarly rigorous approach is taken to identify and evaluate the environmental risks of a pesticide. Health Canada scientists determine the fate of the pesticide in the environment and whether it will contaminate ground or surface waters such as lakes, streams and rivers. They also identify which species might be vulnerable to pesticides and which species are likely to be exposed under normal use conditions.
Toxicity studies are also required for a range of wildlife, including birds, fish and mammals, as well as beneficial organisms such as earthworms. The pesticide will not be registered if it poses a risk to the environment.
Finally, a pesticide must have value in order to be registered. It must be efficacious and the host or crop that is being protected from the pest must not be harmed by the pesticide. The efficacy studies allow Health Canada to ensure that only the lowest effective rate is allowed, thereby minimizing possible human and environmental exposure.
In 2001, following public consultation, the government implemented a new approach to re-evaluating older pesticides that first were marketed prior to 1995. This is to ensure that they meet modern standards. Health Canada's Pest Management Regulatory Agency has committed to complete the re-evaluation of these older pesticides by 2009.
The new approach to re-evaluation has prioritized work by considering the pesticides used on crops and any identified health or environmental concerns. It makes maximum use of recent re-evaluations completed by other countries, particularly the U.S. This will permit the completion of the re-evaluation of older pesticides as soon as possible to ensure that Canadians' health and that of the Canadian environment continue to be protected.
It is important that everyone recognize that the regulation of pesticides is a shared responsibility with our provincial and territorial colleagues. A strong system of provincial and territorial legislation addresses the sale, transportation, storage, use and disposal of registered pesticides, taking into account provincial and territorial conditions and concerns.
The federal-provincial-territorial committee on pest management and pesticides brings together federal, provincial and territorial pesticide officials to exchange information and expertise and to provide advice and direction to governments on programs, policies and issues related to pesticides. Regulators at all levels work together toward the common goal of protecting Canadians from any risks posed by pesticides.
Health Canada's PMRA has also worked at the international level, actively cooperating with pesticides regulators around the world. Under NAFTA, there is close collaboration with the United States Environmental Protection Agency, also responsible for pesticide regulation. Some of the notable accomplishments include harmonizing data requirements, increased availability of lower risk products, the establishment of worker safety programs and the establishment of integrated pest management programs.
There is also a successful joint scientific review process for pesticides between Health Canada and the U.S. Environmental Protection Agency. This is a formal process with specific timelines in which the workload is divided between the two countries involved, the reviews of data are exchanged and a peer reviewed and cooperative risk assessment is undertaken, all with the goal of harmonized and simultaneous registration decisions in the two countries.
Canada also participates actively with both NAFTA partners as well as members of the Organisation for Economic Co-operation and Development to ensure that standards for pesticides incorporate the latest scientific knowledge.
In closing, I would like to reiterate that we recognize the risks that can be associated with pesticides. This is why Canada's Pest Management Regulatory Agency stringently regulates pesticides in Canada, and we have full confidence in our regulatory system.