https://ntp.niehs.nih.gov/go/tr254abs

Dichloromethane (Methylene Chloride)

Abstract

A technical report number was assigned to the chronic study of this test article. The study was considered inadequate and no technical report was prepared.
Dichloromenthane was subsequently studied in F344 rats and B6C3F1 mice by inhalation (see TR-306 published in 1986).