Aseptic sampling from tanks and pipelines through valve type samplers.

On line membrane filtration to collect oxygen tolerant microorganisms from a standardised, limited volume or through a bypass for a certain time. Descriptors: filterable liquid samples, membrane filter, pore size

Aseptic sampling without losing CO2. Descriptors: Counterpressure Sampling, shelf life of bulk beer.

It is necessary to use EBC Microbiology 2.2.1.2

Collection of samples for the determination of the number of brewers' yeast cells (i.e. for an analysis of physical rather than microbiological characteristics). Descriptors: Sampling for Yeast Cell Counts, Copper sulphate

Aseptic sampling from the top of an open vessel. Descriptors: sampling of thick pitching yeast

Aseptic sampling of thick yeast from a tank. Descriptors: sampling of thick pitching yeast from closed vessels, diaphragm, valve, sample cock.

It is necessary to use EBC Microbiology 2.2.1.2, 2.2.1.3 and 2.2.1.1

Aseptic collection of dry yeast samples.

Aseptic sampling of water from existing taps. Descriptors: raw water, processed water

Sampling from wells where no tap exists. Descriptors: raw water.

A laboratory method for sterilisation of materials which can withstand moist heat. Descriptors: autoclaving, autoclave

A laboratory method for sterilisation of media with constituents which will decompose if exposed to temperatures above 100 °C. Descriptors: intermittent sterilisation (tyndallisation), bacterial spores, steam chamber.

It is necessary to use EBC Microbiology 2.1.2

A general method for stabilising fluids like media, beer or wort which should not be exposed to temperatures above 100 °C in tightly closed vessels. Descriptors: pasteurisation, kill microorganisms by heat, Pasteurisation Units, tunnel pasteuriser for bottled beer, PU.

It is necessary to use EBC Microbiology 2.1.2

A laboratory method for the sterilisation of large volumes of heat sensitive liquids. The liquid must not contain particles which block the pores of the membrane. Descriptors: sterile filtration, removal of microorganisms, pore size, pressure filtration, vacuum filtration.

Descriptors: hygienic sampling, secondary contamination, microbiological sampling, flaming, steaming, rinsing with alcohol.

Aseptic sampling from tanks or pipelines through rubber diaphragms. Descriptors: hypodermic needle, safest of all methods with regard to aseptic sampling, sample fitting.

Aseptic sampling from tanks or pipelines through plug type sample cocks.

A laboratory method for the sterilisation of utensils which should be kept dry and are resistant to high temperature. Descriptors: dry heat sterilisation, hot dry air

This test is a screening procedure to investigate the effect of plastic tubing upon aroma and taste of beer and for use within problem solvent related to off-flavour and taints. Descriptors: Length of tubing samples, plastic fittings, sample tabs, dispence line adapter.

It is necessary to use EBC Method 13.3, 13.4, 13.7 and 13.8

This method can be used to verify that either under or over filled bottles / cans are being rejected to comply with brand specifications and legal limits.

Procedures to be employed for obtaining representative samples of spent grains for analytical purposes.