Oil spill cleanup workers can face potential hazards from oil byproducts, dispersants, detergents and degreasers. Drowning, heat illness and falls also pose hazards, as can encounters with insects, snakes and other wild species native to the impacted areas. SPCC Plan overview. Spills of any type of oil may damage the environment. UC San Diego has a Spill Prevention, Control, and Countermeasure Plan (SPCC, PDF) to prevent or reduce the discharge of oil into navigable waters. NIOSH protected oil cleanup workers with the following efforts: Partnered with the Occupational Safety and Health Administration (OSHA) and National Institute of Environmental Health Sciences (NIEHS) to provide other federal and state partners, BP, and workers with guidance and educational materials for protecting response workers.