The Institute of Environmental Sciences and Technology (IEST) is a non-profit,

technical Technical may refer to: * Technical (vehicle), an improvised fighting vehicle * Technical analysis, a discipline for forecasting the future direction of prices through the study of past market data * Technical drawing, showing how something is co ...

society where professionals who impact controlled environments connect, gain knowledge, receive advice, and work together to create industry best practices. The organization uniquely serves environmental test engineers, qualification engineers, cleanroom professionals, those who work in product testing and evaluation, and others who work across a variety of industries, including: acoustics, aerospace, automotive, biotechnology/bioscience, climatics, cleanroom operations/design/equipment/certification, dynamics, filtration,

food processing Food processing is the transformation of agricultural products into food, or of one form of food into other forms. Food processing includes many forms of processing foods, from grinding grain to make raw flour to home cooking to complex in ...

, HVAC design, medical devices, nanotechnology, pharmaceutical, semiconductors/microelectronics, and shock/vibration. Information on

ISO 14644 ISO 14644 Standards were first formed from the US Federal Standard 209E Airborne Particulate Cleanliness Classes in Cleanrooms and Clean Zones. The need for a single standard for cleanroom classification and testing was long felt. After ANSI and ...

and ISO 14698 standards can be found through this organization. Founded in 1953, the organization is headquartered in Schaumburg, Illinois. Its members are internationally recognized in the fields of

environmental tests {{noref, date=January 2021 Environmental testing is the measurement of the performance of equipment under specified environmental conditions, such as: * extremely high and low temperatures * large, swift variations in temperature * blown and settli ...

;

contamination control Contamination control is the generic term for all activities aiming to control the existence, growth and proliferation of contamination in certain areas. Contamination control may refer to the atmosphere as well as to surfaces, to particulate matt ...

; product reliability; and

aerospace Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial and military applications. Aerospace engineering consists of aeronautics and ast ...

International standards

The organization is the Secretariat of ISO/TC 209: '' cleanroom and associated controlled environments''. This committee writes the

standards. IEST is also a founding member of the

ANSI The American National Standards Institute (ANSI ) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organi ...

-accredited US TAG to ISO/TC 229 - '' Nanotechnologies''. IEST has also revised such Federal Standards as FED-STD-209, MIL-STD-781, MIL-STD-810, and MIL-STD-1246 (now IEST-STD-1246E). The IEST also distributes to the public all

and ISO 14698 standards.

Recommended practices

IEST publishes and disseminates up-to-date, reliable, technical information within each of its divisions known as IEST Recommended Practices. These Recommended Practices provide procedures based on peer-approved applications. These documents are then formulated by IEST Working Groups. IEST has also revised such Federal Standards as

FED-STD-209E FED-STD-209 E ''Airborne Particulate Cleanliness Classes in Cleanrooms and Cleanzones'' was a federal standard concerning classification of air cleanliness, intended for use in environments like cleanrooms. The standard based its classifications on ...

, MIL-STD-781, MIL-STD-810, and MIL-STD-1246 (now

IEST-STD-CC1246 For United States Military Standards, IEST-STD-CC1246 is the latest revision of MIL-STD-1246. This all came about in 1997, the Army Missile Command commissioned the Institute of Environmental Sciences and Technology (IEST) to revise and adopt MIL-S ...

Contamination control recommended practices

* IEST-RP-CC001.6:

HEPA HEPA (, high-efficiency particulate air) filter, also known as high-efficiency particulate absorbing filter and high-efficiency particulate arrestance filter, is an efficiency standard of air filters. Filters meeting the HEPA standard must ...

and ULPA Filters * IEST-RP-CC002.4: Unidirectional Flow Clean-Air Devices * IEST-RP-CC003.4: Garment System Considerations in Cleanrooms and Other Controlled Environments * IEST-RP-CC004.3: Evaluating Wiping Materials Used in Cleanrooms and Other Controlled Environments * IEST-RP-CC005.4: Gloves and Finger Cots Used in Cleanrooms and Other Controlled Environments * IEST-RP-CC006.3: Testing Cleanrooms * IEST-RP-CC007.3: ''Testing ULPA Filters'' * IEST-RP-CC008.2: ''High-Efficiency Gas-phase Adsorber Cells'' * IEST-RP-CC011.2: ''A Glossary of Terms and Definitions Relating to

Contamination Control Contamination control is the generic term for all activities aiming to control the existence, growth and proliferation of contamination in certain areas. Contamination control may refer to the atmosphere as well as to surfaces, to particulate matt ...

'' * IEST-RP-CC012.3: ''Considerations in Cleanroom Design'' * IEST-RP-CC013.3: ''

Calibration In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy. Such a standard could be another measurement device of kno ...

Procedures and Guidelines for Selecting Equipment Used in Testing Cleanrooms and Other Controlled Environments'' * IEST-RP-CC014.2: ''

and Characterization of Optical Airborne

Particle Counters In the physical sciences, a particle (or corpuscule in older texts) is a small localized object which can be described by several physical or chemical properties, such as volume, density, or mass. They vary greatly in size or quantity, from su ...

'' * IEST-RP-CC016.2: '' The Rate of Deposition of Nonvolatile Residue in Cleanrooms'' * IEST-RP-CC018.4: '' Cleanroom Housekeeping – Operating and Monitoring Procedures'' * IEST-RP-CC019.1: ''Qualifications for Organizations Engaged in the Testing and Certification of Cleanrooms and Clean-Air Devices'' * IEST-RP-CC020.2: '' Substrates and Forms of Documentation in Cleanrooms'' * IEST-RP-CC021.4: ''Testing

and ULPA Filter Media'' * IEST-RP-CC022.2: '' Electrostatic Charge in Cleanrooms and Other Controlled Environments'' * IEST-RP-CC023.2: ''

Microorganism A microorganism, or microbe,, ''mikros'', "small") and ''organism'' from the el, ὀργανισμός, ''organismós'', "organism"). It is usually written as a single word but is sometimes hyphenated (''micro-organism''), especially in old ...

s in Cleanrooms'' * IEST-RP-CC024.1: ''Measuring and Reporting

Vibration Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point. The word comes from Latin ''vibrationem'' ("shaking, brandishing"). The oscillations may be periodic, such as the motion of a pendulum—or random, su ...

in Microelectronics Facilities'' * IEST-RP-CC026.2: '' Cleanroom Operations'' * IEST-RP-CC027.2: ''Personnel Practices and Procedures in Cleanrooms and Controlled Environments'' * IEST-RP-CC028.1: ''Minienvironments'' * IEST-RP-CC029.1: '' Automotive Paint-Spray Applications'' * IEST-RP-CC031.3: ''Method of Characterizing Outgassed Organic Compounds from Cleanroom Materials and Components'' * IEST-RP-CC032.1: ''Flexible Packaging Materials for Use in Cleanrooms and Other Controlled Environments'' * IEST-RP-CC034.4: ''

and ULPA Filter Leak Testing'' * IEST-G-CC035.1: '' Design Considerations for AMC Filtration Systems in Cleanrooms'' * IEST-CC036.1: ''Testing Fan Filter Units'' * IEST-RP-CC042.1: ''Sizing and Counting of Submicrometer Liquid-borne Particles Using Optical Discrete-

'' * IEST-RP-CC044.1: ''Vacuum Cleaning Systems for Use in Cleanrooms and Other Controlled Environments'' * IEST-RP-CC046.1: ''Controlled Environments (

Aerospace Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial and military applications. Aerospace engineering consists of aeronautics and ast ...

, Non-cleanroom)'' * IEST-RP-CC049.1: ''Controlled Environments for Regulated Industries'' * IEST-STD-CC1246: ''Product Cleanliness Levels – Applications, Requirements, and Determination''

Nanotechnology recommended practices

*IEST-RP-NANO200.1: ''Planning of Nanoscale Science and Technology Facilities: Guidelines for Design, Construction, and Start-Up'' *IEST-RP-NANO205.1: ''Nanotechnology Safety: Application of Prevention Through Design Principles to Nanotechnology Facilities''

Design, test, and evaluation recommended practices

* IEST-RP-DTE009.1: ''Vibration Shaker System Selection'' * IEST-RP-DTE011.2: ''Mechanical Shock and

Transducer Selection'' * IEST-RP-DTE012.2: ''Handbook for Dynamic

Data Acquisition Data acquisition is the process of sampling signals that measure real-world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Data acquisition systems, abbreviated by the acro ...

and Analysis'' * IEST-RP-DTE019.1: ''Vibration Controller Selection'' * IEST-RP-DTE022.1: ''Multi-shaker Test and Control'' * IEST-RP-DTE026.1: ''Using MIL-STD-810F, 519 Gunfire'' * IEST-RP-DTE032.2: ''Pyroshock Testing Techniques'' * IEST-RP-DTE040.1:; ''High-Intensity

Acoustics Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acousticia ...

Testing'' * IEST-RP-DTE046.1:; ''Terms Commonly Used in the Digital Analysis of Dynamic Data '' * The History and Rationale of MIL-STD-810

Product reliability recommended practices

* IEST-RP-PR001.2: ''Management and Technical Guidelines for the ESS Process'' * IEST-RP-PR003.1: '' HALT and HASS''

''Journal of the IEST''

The online '' Journal of the IEST'' publishes peer-reviewed

papers, with a per-article fee, and free TechTalk articles related to the fields of contamination control; design, test, and evaluation; and product reliability. The online '' Journal'' provides never-before-available access to an entire decade of technical articles and peer-reviewed technical papers on

simulation A simulation is the imitation of the operation of a real-world process or system over time. Simulations require the use of Conceptual model, models; the model represents the key characteristics or behaviors of the selected system or proc ...

, testing,

control Control may refer to: Basic meanings Economics and business * Control (management), an element of management * Control, an element of management accounting * Comptroller (or controller), a senior financial officer in an organization * Controlli ...

, current research, and teaching of

environmental science Environmental science is an interdisciplinary academic field that integrates physics, biology, and geography (including ecology, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geog ...

s and technologies. The '' Journal of the IEST'' is the official publication of IEST, the Institute of Environmental Sciences and Technology, of archival quality with continuous publication since 1958.

References

External links

{{Official Environmental organizations based in the United States Cleanroom technology Environmental testing