Standards
This standard specifies the requirements and methods of test for urea, fertiliser grade.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
This International Standard describes the fundamentals of product certification and provides guidelines for understanding, developing, operating or maintaining certification schemes for products, processes and services. It is intended for use by all with an interest in product certification, and especially by certification scheme owners.
NOTE 1 In this International Standard the term “product” can also be read as “process” or “service”, except in those instances where separate provisions are stated for “processes” or “services”. Definitions of product, process and service are given in ISO/IEC 17065.
NOTE 2 The certification of products, processes and services is a third-party conformity assessment activity (see ISO/IEC 17000) carried out by product ertification bodies. The requirements for product certification bodies are specified in ISO/IEC 17065.
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
These specifications apply to tanks intended for:
(a) The storage of potable water at normal atmospheric pressure;
(b) Installation and use at environmental or service temperatures such that the material of tank remains between 15 °C and 80°C; and
(c) Vertical, above- ground installation on fixed, flat, fully- supporting bases.
This standard outlines minimum requirements for performance, labelling, construction and testing of non-medical face masks. These non-medical face masks are intended to reduce the risk of general transmission of infectious agents but do not fall under the ambit of personal protective equipment (PPE).
This standard is applicable to non-medical face masks made out of paper, plastic, fabric or any other breathable materials, synthetic or natural, that are disposable or reusable. It also applies to non-medical face masks that are stitched or bonded by any other methods.
This standard does not apply to the following types of face masks:
a) folded without stitching;
b) medical; and
c) elastomeric particulate respirators.
This standard does not address flame resistance, high-heat, electrical arc or related hazards.