The purpose of this Circular is to draw attention to new guidance in support of paragraph J3 of Schedule 1 to the Building Regulations 2010 - “Warning of release of carbon monoxide”.
Pwrpas y Cylchlythyr hwn yw tynnu'ch sylw at arweiniad newydd i gefnogi paragraff J3 o Atodlen 1 i Reoliadau Adeiladu 2010 - "Rhybudd bod carbon monocsid wed gollwng".