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 industr ...

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

ISO 14644 ISO 14644 Standards were first formed from the FED-STD-209E, 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. Aft ...

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 matte ...

; 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 astrona ...

International standards

The organization is the Secretariat of ISO/TC 209: ''

cleanroom A cleanroom or clean room is an engineered space, which maintains a very low concentration of airborne particulates. It is well isolated, well-controlled from contamination, and actively cleansed. Such rooms are commonly needed for scientif ...

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 Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and Supramolecular complex, supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particul ...

''. IEST has also revised such Federal Standards as FED-STD-209, MIL-STD-781,

MIL-STD-810 MIL-STD-810, U S Department of Defense Test Method Standard, Environmental Engineering Considerations and Laboratory Tests, is a United States Military Standard that emphasizes tailoring an equipment's environmental design and test limits to the ...

, 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,

, and MIL-STD-1246 (now IEST-STD-CC1246).

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 sa ...

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 ULPA is an acronym for "Ultra-low Penetration Air (filter)". An ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a minimum particle penetration size of 120 nanometres (0.12 � ...

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 matte ...

'' * IEST-RP-CC012.3: ''Considerations in

Cleanroom A cleanroom or clean room is an engineered space, which maintains a very low concentration of airborne particulates. It is well isolated, well-controlled from contamination, and actively cleansed. Such rooms are commonly needed for scientif ...

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 know ...

Procedures and Guidelines for Selecting Equipment Used in Testing

Cleanrooms A cleanroom or clean room is an engineered space, which maintains a very low concentration of airborne particulates. It is well isolated, well-controlled from contamination, and actively cleansed. Such rooms are commonly needed for scientif ...

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 ...

'' * IEST-RP-CC016.2: '' The Rate of Deposition of Nonvolatile Residue in

'' * IEST-RP-CC018.4: ''

Housekeeping – Operating and Monitoring Procedures'' * IEST-RP-CC019.1: ''Qualifications for

Organizations An organization or organisation (Commonwealth English; see spelling differences), is an entity—such as a company, an institution, or an association—comprising one or more people and having a particular purpose. The word is derived from ...

Engaged in the Testing and Certification of

and Clean-Air Devices'' * IEST-RP-CC020.2: '' Substrates and Forms of Documentation in

'' * IEST-RP-CC021.4: ''Testing

and

Filter Media'' * IEST-RP-CC022.2: ''

Electrostatic Charge Electric charge is the physical property of matter that causes charged matter to experience a force when placed in an electromagnetic field. Electric charge can be ''positive'' or ''negative'' (commonly carried by protons and electrons respectiv ...

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 olde ...

s in

'' * 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 function, periodic, such as the motion of a pendulum ...

in Microelectronics Facilities'' * IEST-RP-CC026.2: ''

Operations'' * IEST-RP-CC027.2: ''Personnel Practices and Procedures in

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 In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. The s ...

from

Materials and Components'' * IEST-RP-CC032.1: ''Flexible Packaging Materials for Use in

and Other Controlled Environments'' * IEST-RP-CC034.4: ''

and

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 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 s ...

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 astrona ...

, 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 A gunshot is a single discharge of a gun, typically a man-portable firearm, producing a visible flash, a powerful and loud shockwave and often chemical gunshot residue. The term can also refer to a ballistic wound caused by such a discharg ...

'' * 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 acoustician ...

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

Product reliability recommended practices

* IEST-RP-PR001.2: ''Management and Technical Guidelines for the

ESS The suffix ''-ess'' (plural ''-esses'') appended to English words makes a female form of the word. ESS or ess may refer to: Education * Ernestown Secondary School, in Odessa, Ontario * European Standard School, in Dhaka, Bangladesh Governmen ...

Process'' * IEST-RP-PR003.1: '' HALT and

HASS Hass may refer to: * Hass (Ottoman) * Hass (surname) * Hass (town), a town in Syria * Hass avocado, a type of avocado named after its cultivator, Rudolph Hass * Hass Petroleum, an investment company * Humanities, arts, and social sciences * Home ...

''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 A journal, from the Old French ''journal'' (meaning "daily"), may refer to: *Bullet journal, a method of personal organization *Diary, a record of what happened over the course of a day or other period *Daybook, also known as a general journal, a ...

'' 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 * Controllin ...

, 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 geograp ...

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