![]() One sample in a building of many rooms and floors will be effectively useless, the correct number of samples must be taken in order to provide the client with results they can rely on. ![]() Once the substrates have been identified the process of sampling will then be undertaken involving the physical sampling of the plaster, there are particular requirements in terms of size of sample and coverage which the surveyor must adhere to in order to make any results meaningful. It is not important at this stage to ascertain what type of hair is present as the potential for anthrax is dependent on any hairs present rather than which animal the hair are derived from. Typically horse and animal hair plaster is applied either to wooden laths which make up a given wall or ceiling or directly to a solid substrate such as brick, block-work, stone or render. The surveyor will attend site to inspect the property to visually identify period plaster finishes containing hair both to ceiling finishes and wall finishes. The process of undertaking an anthrax survey is similar in approach to other hazardous material surveys. The Control of Substances Hazardous to Health Regulations 2002 & The Construction (Design and Management) Regulations 2007 (CDM) stipulates a legal duty to introduce control measures to minimise any health risks to staff or those involved in the construction industry. In certain circumstances such as during refurbishment or demolition works the possibility of anthrax within these traditional plasters should be a consideration and may require anthrax sampling or testing to sections of plaster or an anthrax survey of the property prior to works commencing. ![]() Horse hair and other animal hairs have been used in traditional plaster for centuries but it wasn’t unit 1919 that control measures were introduced to disinfect animals hairs prior to their use in building plaster products. Anthrax Surveys & Testing of Hair in PlasterĮnviroHive Ltd undertake Anthrax Surveys & Tests on horse hair and other animal hairs within plaster including lath and plaster varieties which can feature within older buildings.Īnthrax is a persistent bacteria which lives as spores in hairs and hides in livestock such as horse, cow, ox & goat and can survive a wide range of conditions not only within the textile industries but also within traditional plaster materials within old or historical buildings. ![]()
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