Environmental guidance for your business in Northern Ireland & Scotland
Enamel slip is a dry powder mixture that is suitable for applying to a metal surface. Slip is created by milling raw materials into powder in a ball mill that contains porcelain-grinding materials. The raw materials may include enamel frit (vitreous glass granules), water, clays, pigments and electrolytes.
Dry milling and the addition of frit to wet milling operations can be noisy and create substantial quantities of dust. You may need to take measures to control noise and dust from your premises.
Ball milling can produce liquid wastes in the form of mill room washings and cooling water.
You must not make any discharge to surface water or groundwater without consulting your environmental regulator. If you discharge without an authorisation, permit or consent from your environmental regulator you could be prosecuted and fined or imprisoned.
You must not discharge trade effluent to a public sewer without trade effluent consent or a trade effluent agreement with your water and sewerage company or authority. If you discharge without a consent or agreement you could be prosecuted and fined or imprisoned.
You must comply with your duty of care responsibilities when dealing with waste.
Controls have been introduced to limit the sulphur content of fuels. You must not use gas oil with a sulphur content exceeding 0.1% by mass.
You must not use heavy fuel oil with a sulphur content exceeding 1% by mass. This is particularly relevant if you have stocks of stand-by fuel that can remain unchanged for considerable periods of time. If you operate pre-1987 combustion plant you can apply for a Sulphur Content of Liquid Fuels Permit from your local council in Northern Ireland or SEPA in Scotland.
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