The fire and rescue service says the unknown substance found on Garwick Beach on Boxing Day was most likely palm oil.
Firefighters say though the risk to humans is low, if dogs eat it, it can be serious.
People are still being asked to avoid touching or removing the yellowy material from the beach south of Laxey.
Meanwhile the coastguard is warning people to keep dogs away from the area until the tide has washed leftover pieces away.
Yellow warning for freezing temperatures tonight
Ronaldsway Met Office has issued a yellow weather warning about freezing conditions.
School bangers night called off
A charity says it's been forced to cancel a night of school singalongs because of poor ticket sales.
AK47 and Uzi guns amongst weapons handed in to the police
Police have say a significant number of dangerous weapons were handed in during their latest firearms amnesty.
"No dispute" over Liverpool Ferry Terminal, says main contractor
The main contractor behind the new ferry terminal in Liverpool says there's no legal dispute over the project.
More weekend bus strikes to come after 10-day walkout?
Bus drivers could walk out each weekend until an agreement is reached with the government.
Minister to face question about bus strike
Tynwald will hear an urgent question about an impending bus strike when it sits next week.
No rush to resurface Tromode Road
Infrastructure Minister Tim Crookall says it'll be some time before his department resurfaces Tromode Road in Braddan.
Film extras needed for new Island-shot movie!
Could you kickstart your film-star career this TT?
