Water quality — Evaluation of membrane filters used for microbiological analyses
Gives a procedure for the evaluation and comparison of water-testing filters intended for the enumeration of specific organisms and mixed microbial populations. The procedure provides general guidelines for comparative testing of the recoveries of bacteria, yeasts and other fungi on membrane filters, as compared to recoveries by the spread plate and pour plate techniques.
Electromechanical components for electronic equipment; basic testing procedures and measuring method...
The tests contained in this standard, when required by the detail specification, shall be used for electromechanical components having an inherent connecting or switching function intended for use in equipment for telecommunication and in electronic devices employing similar techniques.