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.
MHK queries cost of incapacity benefits
How many people are on incapacity benefits?
Fuel website launches after queues at pumps this week
A new website says it's hoping to offer people the most up-to-date information about fuel availability on the Island.
Inquest hears how well-known businessman died following crash
An inquest in Liverpool has heard how a car dealership director died three days after a crash in St Johns.
Woman thrown out of House of Keys for heckling chief minister
A heckler had to be thrown out the House of Keys this week for interrupting the Chief Minister.
Chief Minister rules out fuel rationing and duty cut
Chief Minister Alf Cannan says there are no plans to start rationing fuel on the Island.
Heating oil company says price rise "pulling at heartstrings"
An Island heating fuel company says oil price rises are completely out of its control - and described the rise as "pulling the heartstrings".
Foxdale seagull farm importing birds in bid to boost numbers
Efforts to revive the Island’s seagull population will see thousands of the birds imported to a new farm in the west of the Island.
Vehicle services move online today
The government's announced a range of support to help people access driver and vehicle services as they move online.
