Download or read book Notification and Marking of Sites written by Health And Safety Executive Staff and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides guidance on the Dangerous Substances (Notification of Marking of Sites) Regulations 1990 (NMS). The NMS regulations require the notification to the local fire authority and the enforcing authority for the HSW act for any site with a total quantity of 25 tonnes or more of dangerous substances.