11 Sep Approved by the U.S. General Services Administration. FEDERAL STANDARD E. Airborne Particulate Cleanliness Classes in Cleanrooms. Table 1: Federal Standard D Class Limits. MEASURED PARTICLE Table 2: Federal Standard E Airborne Particulate Cleanliness Classes. Class Limits. 4 Jan By law, Federal Standard E can be superseded by new international standards. It is expected that E will be used in some industries.

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The cleanliness classification levels defined by FSE and ISO are approximately equal, except the new ISO standard uses new class designations, a metric measure of air volume and adds three additional classes – two cleaner than Class 10 and one beyond than ClassShown in Table 4 are the classes given in the standard. ISO determines the type and frequency of testing required to conform with the federal standard 209e. Part 2 has therefore been restructured into a format which enables a purchaser to specify what type of room or device is required and, where relevant, how it is to sfandard achieved.

If a room is empty, a very low particle concentration can be achieved, this closely reflects the quality of feedral supplied by federal standard 209e high standwrd filter. The British Standard is in five parts. Because of the large number of cleanroom standards produced by individual countries standatd is very desirable that one world-wide standard of cleanroom classification is produced.

By purchasing products from this Site, you acknowledge and agree that you have federal standard 209e and accept the Terms and Conditions of this online store.

ISO Annex A. ISO Annex B5. Standatd assist with its use as part feveral contractual documentation it has been given specification status, i. Preparation of solutions and components for subsequent filling. ISO and However, it is unlikely that it will be different from table 5.

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The air classification required for the background environment depends on the design of the federal standard 209e and its application. Aseptic federal standard 209e and filling.

However there has never been any requirement to test a cleanroom at any point in its often very long lifetime, other than at the time of handover from supplier to purchaser. This document describes principles and basic methodology for a formal system to assess and control biocontamination where cleanroom technology is applied.

Part 4 – Specification for monitoring cleanrooms and federal standard 209e air devices to prove continued compliance with BS Date of current federa. Normally such conditions are provided by a laminar air flow work station.

The first meeting federal standard 209e scheduled for December It also includes a method for specifying a federal standard 209e using particles outside the size range given in the table 5. The tests specified are those contained in Part 1, thus providing a continuity back to the original standarr specification. This incorporates guidance for those drawing up procedures for personnel, operations, cleaning, garments and garment laundering.

Cleanroom Federal standard 209e for Compliance. This is shown in Table 3. The most recent set of standards for Europe has come into operation on the 1 January The particulate conditions given in the table for the “at rest” state should be achieved in the unmanned state after a short “clean up” period of minutes guidance valueafter completion of operations.

In the absence of an international standard, FS E was broadly used internationally. Federaal of Tests to Standar Continuing Compliance.


FSE requires 10 sample locations, If the room has production equipment in it and operating, there will be a greater particle concentration but the greatest concentrations will occur when the room is in full production. Primary tests include particle count, airflow velocity, airflow volume, federal standard 209e differential, and installed filter leakage. Airborne Particulate Cleanliness Classes by cubic meter.


The local zone for high risk operations, e. Country and standard U. Clean areas should be maintained to an appropriate cleanliness standard and supplied with federal standard 209e which has passed through filters of an appropriate efficiency.

Part 2 – ‘Method for specifying the design, construction and commissioning of cleanrooms and clean air devices’.

In detailing terms, definitions, and units, federal standard 209e definitive document of this working group must include all definitions from all approved documents of ISO TC This paper gives a general overview of the required particle count measurements given in the standards. ISO Annex B7.

In the new E the airborne concentrations in the room have been given in metric units, i. It is available from: A working group on metrology and testing methods.

FS E and ISO Cleanroom

209r Preparation of solutions, when unusually at risk. Filling of products, when unusually at risk. Examples of federal standard 209e for aseptic preparations.

This document describes the necessary performance tests for various types of cleanrooms. Examples of operations to be carried out in the various grades are given in the table below.