Final answer:
The preventive control plan would prevent materials that do not meet quality standards from going into production.
Step-by-step explanation:
The control plan that would prevent materials that do not meet quality standards from going into production is the preventive control plan. This plan focuses on identifying and addressing potential issues and risks before they occur. In the case of materials not meeting quality standards, a preventive control plan would involve measures such as quality control checks at different stages of production, training and education of staff, and implementing quality assurance processes.