Is it safe to spray crawl space with clorodane?

No, it is not safe to spray chlorodane in a crawl space. Chlorodane is a highly toxic pesticide that has been banned in many countries, including the United States, due to its harmful effects on human health and the environment. Using chlorodane can lead to serious health risks, such as neurological damage and cancer, and it can contaminate soil and water. If you have pest issues in your crawl space, it's best to consult a licensed pest control professional for safer alternatives.