Never mix hazardous and non-hazardous waste streams. Doing so increases the amount of hazardous ... There may be a use somewhere else on campus. • Improperly or unlabeled bottles (unknowns) are very ...

Since at least Sunday, 15 black barrels with neon-yellow toxic-waste symbols have been sitting at the corner of South 6th Avenue and St. Helens Avenue. Their origin was unknown Tuesday afternoon ...