Coal delivered solid growth with improvements raised by the independent review almost complete.
Some of the company's customers also asked for additional coal samples to be tested.
ALS and its relevant subsidiary are referring the matter to the NSW Police.
External parties were appointed to conduct the independent forensic investigation.
Greenies question 'clean' coal quality amid fake test claims.
Four staff members of ALS' coal superintending unit have been suspended.
Putting dry separation technology to the test.
There is significant uncertainty regarding future levels of domestic coal consumption.
Nerolie Withnall steps down after a long stint at the company.
ALS raises cash for move away from mining and energy.