Ambient air. Determination of particle-phase polycyclic aromatic hydrocarbons by high performance liquid chromatography1 Scope This International Standard specifies sampling, clean up and analysis procedures for the quantitative determination of low volatility (particle bound) polycyclic aromatic hydrocarbons (PAHs) in ambient air. For sampling, a low volume or a medium high volume sampling device may be used. Sampling times between 1 h and 24 h are possible. The sampling volume flowrates can range from 1 m3 h to 4 m3 h (low volume sampler) or from 10 m3 h to about 90

stands play a vital role

003 % (m/m) to 0

your organization and the diversity of individuals and cultures you will be tackling in your program

Dynamic foundation testing is excluded from the scope of this document

It applies to medical image display systems which can display image information on greyscale and colour image display systems

A method of calculating circulating current losses for double circuits is under consideration

and which is normal to the axis of rotation

Nothing in ISO 4267-2 precludes the use of more precise determinations of temperature

and the recording and interpretation of results

BS 1715-1 provides a test to assess the presence of synthetic anionic-active surface-active agents

This document specifies a test method for evaluating the effect of fine bubble water on the growth promotion of hydroponically grown lettuce by estimating the incremental gain in mass of the stems and leaves over a specified growth period

are not included in this document