Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure. Unplasticized poly(vinyl chloride) (PVC U) - General1 Scope This part of ISO 1452 specifies the general aspects of unplasticized poly(vinyl chloride) (PVC U) solid wall piping systems intended for water supply and for buried and above ground drainage and sewerage under pressure. In conjunction with ISO 1452 2, ISO 1452 3, ISO 1452 4 and ISO 1452 5, it is applicable to PVC U pipes, fittings, valves and ancillary equipment, their joints and to joints with components of other plastics and non plastics

Equipment manufactured according to BS EN 60774-3 and tapes recorded

BS EN 14179-1

and greaseproof and vegetable parchment

ring locked type

BS EN ISO 8835-4 is not applicable to AVDDs intended for use with flammable anaesthetics

It is applicable to food and non-food industries

Failure to manage factors such as Cryptosporidium levels in drinking water

IT and telecommunication firms

in terms of both: determining if material issues have been included in the environmental report and identifying any material misstatements and/or omissions

— data entry arrangements

Tests of assertions of internal consistency by checking the types of values that may be contained within each field (Type A Level 2 as defined in BS ISO/IEC 29109-1)

certain aspects of performance