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Ventilation

Ventilation particle testing standards are published by CSA and ISO. The CSA standard covers Plume scavenging in surgical, diagnostic, therapeutic, and aesthetic settings. The ISO documents cover Gas-phase air cleaning media, Field testing of general ventilation filtration devices and systems for in situ removal efficiency by particle size and resistance to airflow, and Ventilation penetrations for shielded enclosures.

CSA Z305.13-13 (R2020)

Plume scavenging in surgical, diagnostic, therapeutic, and aesthetic settings

Preface This is the second edition of CSA Z305.13, Plume scavenging in surgical, diagnostic, therapeutic, and aesthetic settings. It supersedes the previous edition published in 2009. Scope 1.1 This Standard applies to systems and equipment used to capture and evacuate plume. It applies to all settings where such systems and equipment are used, including, but not limited to, the following: a) surgical facilities b) dental clinics c) medical offices d) veterinary facilities e) laboratories and other research and testing facilities f) cosmetic treatment facilities g) teaching facilities h) manufacturing facilities i) professional exhibitions and trade shows 1.2 This Standard provides guidance on the purchasing, installation, testing, use, servicing, and regular maintenance of plume scavenging systems (PSSs). Note: See Annex A for information on the types of plume scavenging systems and Annex B for illustrations of typical plume capture devices and transfer tubing. 1.3 This Standard does not include requirements for a) anaesthetic gas scavenging systems (see CAN/CSA-Z7396.2) b) medical vacuum systems and equipment (see CAN/CSA-Z7396.112) c) heating, ventilation, and air conditioning (HVAC) systems (see CAN/CSA-Z317.2) d) aspects of laser safety other than airborne contamination and particles produced by laser beam interaction with materials (see CSA Z386) e) aspects of electrosurgery and electrocautery other than airborne contamination and particles produced by electrosurgery or electrocautery resulting from interaction with materials 1.4 In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application. 1.5 The values given in SI (metric) units are the standard. Where values are given in parentheses, they are for information only.

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ISO 10121-1:2014

Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 1: Gas-phase air cleaning media

ISO 10121-1:2014 aims to provide an objective laboratory test method, a suggested apparatus, normative test sections and normative tests for evaluation of three different solid gas-phase air cleaning media (GPACM) or GPACM configurations for use in gas-phase air cleaning devices intended for general filtration applications. ISO 10121-1:2014 is specifically intended for challenge testing and not for general material evaluation or pore system characterization. The three different types of GPACM identified in ISO 10121-1:2014 are GPACM-LF (particles of different shape and size intended for e.g. Loose Fill applications), GPACM-FL (FLat sheet fabric intended for e.g. flat one layer, pleated or bag type devices) and GPACM-TS (three dimensional structures that are many times thicker than flat sheet and e.g. used as finished elements in a device). The tests are conducted in an air stream and the GPACM configurations are challenged with test gases under steady-state conditions. Since elevated gas challenge concentrations (relative to general ventilation applications) are used, test data should be used to compare GPACM within the same configuration and not for the purpose of predicting performance in a real situation. It is also not implied that different GPACM configurations can be directly compared. The primary intention is to be able to compare like GPACM configurations to like, not between GPACM configurations. Testing of complete devices is described in ISO 10121 2. To ensure objectivity for test equipment suppliers, no specific design of the test apparatus is defined: an example is illustrated in an annex. Instead normative demands for media sample holder design, apparatus properties and validation tests are specified.

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ISO 29462:2013

Field testing of general ventilation filtration devices and systems for in situ removal efficiency by particle size and resistance to airflow

ISO 29462:2013 describes a procedure for measuring the performance of general ventilation air cleaning devices in their end use installed configuration. The performance measurements include removal efficiency by particle size and the resistance to airflow. The procedures for test include the definition and reporting of the system airflow. The procedure describes a method of counting ambient air particles of 0,3 m to 5,0 m upstream and downstream of the in-place air cleaner(s) in a functioning air handling system. The procedure describes the reduction of particle counter data to calculate removal efficiency by particle size. Since filter installations vary dramatically in design and shape, a protocol for evaluating the suitability of a site for filter evaluation and for system evaluation is included. When the evaluated site conditions meet the minimum criteria established for system evaluation, the performance evaluation of the system can also be performed according to this procedure. ISO 29462:2013 also describes performance specifications for the testing equipment and defines procedures for calculating and reporting the results. This International Standard is not intended for measuring performance of portable or movable room air cleaners or for evaluation of filter installations with and expected filtration efficiency at or above 99 % or at or below 30 % when measured at 0,4 m.

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ISO 15080:2001

Nuclear facilities - Ventilation penetrations for shielded enclosures

This International Standard specifies the requirements for the construction and the installation of radiobiological shielding devices used as ventilation passages through shielded enclosures with concrete or leaded walls to protect against gamma radiation. This International Standard applies to all shielded containment enclosures used for handling radioactive products or material emitting penetrating radiation (gamma or neutrons) in such quantities and of such emission rate that these products must be handled remotely behind a shielding wall. Typically, the enclosures considered cover all types of nuclear fuel cycle installations: reprocessing plants, hot activity laboratories, plutonium solution handling facilities, shielded cells, waste storage installations, etc. It could eventually be applied to particle accelerators, primary containment of research reactors, fusion research reactors, radiographic installations, neutron generators, etc. However, pressurized vessels, sealed sources, transport packaging for radioactive materials, as well as enclosures, primary circuits and vessels of nuclear power plants have been deliberately excluded from the scope of this International Standard. This International Standard specifies general and detailed principles which shall be respected when designing ventilation penetrations for shielded enclosures. These specifications can be divided more generally into two categories of guidance, which apply to the two following systems of ventilation penetrations for shielded enclosures already in use: the first corresponding to the most important conventional systems used worldwide, and the second corresponding to an alternative method, called the cast iron helix technique .

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