Standards certifications

Arrester Testing and Standards Regulatory and approval agencies and insurers impose acceptance testing requirements, sometimes as part of certification standards. The user may also request testing to demonstrate specific performance needs, just as the manufacturer can help develop standards. These interrelationships have resulted in several new and updated performance test procedures. Listing of an arrester by a testing laboratoiy refers only to performance under a defined set of test conditions. The flame arrester user should develop specific application requirements based on the service involved and the safety and risk criteria adopted. 

Model Year Mandated Sales Area Test Method Certification Standard Note... 

IEC/TC56, Process Certification Standard, Working Draft, August 1993. 

SRMP (1997) Certificate Standard Reference Material 2031a, SRM Program, Gaithersburg, MD, USA. 

Progress toward setting certification standards was slow so that in 1991 the Office of Technical Assessment was quite critical of the FAA s efforts [4, 5]. One of the FAA s responses was to create the first of many National Research Council committees to review and advise [6]. By 17 July 1996, when TWA 800 crashed taking off from New York, one system, the InVision CTX 5000, had obtained certification but appeared nowhere near deployment. The crash of TWA 800 and... 

The requirements for an explosive detection system are set out in certification standards issued by the FAA/TSA/DHS. Key issues are as follows ... 

Furthermore, the equivalence in the way both the laboratoiy accreditation standard and the certification standard deal with the management system requirements illustrates that an accredited laboratory meets, in practice, these requirements as specified in ISO 9001. After a proposal made via Eurachem and EA to ILAC, a similar joint Communique was agreed and signed in September 2009 by ILAC, lAF and ISO for medical laboratories against ISO 15189 2007. 

Organic standards are not static, with revisions of certification standards commonly occurring every few years. Certification agencies usually have some form of certification review committee that considers new materials that become available for use, new information about existing allowed inputs, or new production and processing techniques that are introduced. 

The IBS are standards for standards, in that accredited certification bodies are required to use them as the basis for their own certification standards. The IBS are divided into general principles, standards that require compliance and recommendations. Over time, with experience in implementation, recommendations maybe upgraded to standards. As such, there is an inbuilt mechanism for incorporation of new learning. 

The rated coefficient of discharge for an SRV, determined per the applicable certification standards, is generally less than the effective coefficient of discharge used in API RP 520 (particularly for vapour service valves where the effective coefficient of discharge is typically around 0.975). This is particularly true for valves certified per the rules of the ASME Boiler and Pressure Vessel Code, where the average coefficient from a series of valve test results is multiplied by 0.9 to establish a rated coefficient of discharge (as seen earlier in Section 3.6). For this... 

Development of certification, standards, strategies and policies for organic farming. 

The California market incentives helped wind and CSP developers and investors move their technologies forward, reducing cost and acquiring valuable operational experience that improved reliability. Wind engineers developed their qualifications standards during this same period like early PV technologies, wind systems often suffered from poor reliability until their certification standards were established and required in the marketplace. 

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