"1. Treatment is the core of our profession. There are other fields; archivists, conservation scientists, collections management, researches, and curators. They each play their important and unique roll in the world of art and history. But it is entrusted to the professional Conservator the privilege to intervene, or not intervene, in the physical well being of the object. 2. In the conservation of artistic and historic works, not every treatment that is wanted is possible, not every treatment that is possible is necessary, and not every treatment that is necessary is advisable. [...] But when it comes to a decision as to what treatment, if any, should be carried out, the the responsibility is strictly in your hands. It is you who must be true to your sense of ethics. Just because and object is brought to a conservator for treatment it is not itself sufficient reason to do treatment." José Orraca, “Developing Treatment Criteria in the Conservation of Photographs”, OJO, Spring...