25th February 2016 Natural Insulation (formerly Black Mountain Insulation) did not conduct an adequate assessment for processing hemp and failed to adequately guard machinery. The investigation was carried out following concerns raised anonymously. At Wrexham Magistrates' Court, Natural Insulation, which specialises in construction products made from wool and hemp, pleaded guilty to breaching Regulation 11 of the Provision and Use of Work Equipment Regulations and Regulation 6 of the Control of Substances Hazardous to Health Regulations. It was fined £30,000 and ordered to pay costs of £59,000. Topics: Hazardous substances Safe systems of work Work equipment Manufacturing and engineering News View the discussion thread.