Geotechnical investigation and testing. Sampling methods and groundwater measurements - Qualification criteria for enterprises and personnel PAS 15 Specification for the installation and

Specification for the installation and maintenance of ventilation provision for gas appliances

includes some technical changes with respect to BS EN 61051-1:2008

These PCR specify the calculation rules in accordance with EN 15804:2012+A1:2013 for the Life Cycle Assessment (LCA) of ceramic tiles for developing an EPD

and Other information (which includes guidance on documented information and roles and authorities)

usually spaced 16 or 24 inches apart

Geotechnical investigation and testing. Sampling methods and groundwater measurements - Qualification criteria for enterprises and personnel PAS 15 Specification for the installation and1 Scope This part of BS 22475 specifies requirements for the qualification criteria of enterprises and personnel performing sampling and groundwater measurement services in accordance with BS EN ISO 224751.