Field test method for determining the relative protective effectiveness of a wood preservative in ground contact Ingestion-build-105964 and quasi-free sound fields

and quasi-free sound fields

Implementing website standards: Deploying and communicating standards

where windows are to be operated by young children

ISO 9873 specifies requirements for intra-oral viewing and retracting instruments that are in common use in dentistry

when installed in accordance with the manufacturer’s instructions

Field test method for determining the relative protective effectiveness of a wood preservative in ground contact Ingestion-build-105964 and quasi-free sound fieldsWhat is BS EN 252 Protective effectiveness of a wood preservative in ground contact about? BS EN 252 is a European standard that discusses evaluating the effectiveness of wood preservatives. BS EN 252 specifies a field test method for evaluating the effectiveness of wood preservatives in a ground contact situation. Wood treated with a reference preservative is included for comparison. The protective effect of the test preservative is assessed in