The Maine Department of Environmental Protection has filed another notice of violation against the owner of a former Orrington chemical company for allegedly failing to complete environmental cleanup at the site.

Mallinckrodt US "continues to evade the clear requirement" that it remove remaining mercury-contaminated soil at the old HoltraChem factory, according to the Oct. 20 notice.

The state said the company had failed to submit a revised cleanup plan to excavate tainted soil and had not filed a suitable proposal to remove an industrial sewer at the site.

The company also had not established a trust fund to cover future operation of the plant's wastewater treatment plant, groundwater collection and monitoring, according to the notice.

"In accordance with Maine law and this department

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