INVESTIGATIONS are continuing into the massive Grosvenor Chemicals factory fire.
Health and Safety Executive inspectors remain on site, nine days after a huge blaze swept through a large section of the Linthwaite plant.
The blaze was finally put out four days after it began after an operation involving around 150 firefighters.
The investigators are working with officers from West Yorkshire Fire and Rescue Service to determine what caused the incident.
George Randall, Grosvenor’s site director, has already said that initial indications suggested the fire started in a boiler house.
But the official inquiry into what happened is not expected to be completed for several weeks.
A HSE spokeswoman said: “The investigation is ongoing. It will take some time.
“Until it is complete we are not able to say a lot more.”
Environment Agency tests found significant levels of herbicides from the Lees Mill Lane factory had polluted the River Colne as a result of the fire.
The Agency has also carried out checks on the River Calder, which the River Colne runs into near Cooper Bridge.
Hundreds of fish are thought to have died as a result of the incident.
Ray Collier, chairman of Slaithwaite Angling Club, said he caught four trout in Milnsbridge on Monday.
He said: “On another day I might have expected to catch 30.
“I tried the big weir pond behind Aldi in Milnsbridge, which is usually a banker, but didn’t manage to catch any.
“It’s obvious a small number of fish have survived, but that’s to be expected.
“They might have avoided pollution by going up a side stream.
“It’s better than nothing, but this was still a devastating event.”
