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In partnership with the Centre de recherche sur la conservation des collections and the Muséum national d’Histoire naturelle in France, and under the guidance of Jean Tétreault, Senior Conservation Scientist, compared various cellulose degradation models and looked at how pollutants affect degradation.

The findings reveal that nitrogen dioxide and formic acid have a very harmful effect on cellulose, but that the effect is mitigated in the presence of formaldehyde.

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Annual Review 2014–2015 Également publié en français.

ISSN 1927-3932 Catalogue No.: CH57-1E-PDF © Government of Canada, Canadian Conservation Institute, 2015 All images in this document belong to the Crown, unless otherwise specified.

Evelyn Ayre, Intern, wet cleaning the detached horsehair beard of a Chinese lion head used in traditional dances for celebratory occasions by Vancouver Chinatown communities in the early 20th century.

’s activities and achievements during the 2014–2015 fiscal year.

It has been a year characterized by excellent accomplishments and major planning for the future.

In 2014–2015, we completed our first strategic plan.A significant component of Tom Strang’s work on pests has been influenced by research on agricultural pests reported by participants at conferences.Tom Strang was invited to present a review of the need for, efficacy, applications and contraindications of the use of thermal control (heat, cold) to eliminate pests from collections and heritage structures.We continue to work on the preservation of the Parliament Buildings and their contents, including supports for the Books of Remembrance in the Peace Tower this year.I hope that reading this Annual Review will give you an idea of the range of wonderful projects that has carried out this year.As you will see in the following pages, 2014–2015 was a year of considerable activity and many achievements.