iso tc 229iso tc 229 nanotechnologies - tappi · iso tc 229iso tc 229 nanotechnologies ......

ISO TC 229ISO TC 229ISO TC 229 ISO TC 229 NanotechnologiesNanotechnologies

World L.World L.--S. Nieh, Ph.D.S. Nieh, Ph.D.U.S. Forest ServiceU.S. Forest Service

[email protected]@[email protected]@fs.fed.us

History of the History of the International International O i ti f St d di tiO i ti f St d di tiOrganization for Standardization Organization for Standardization

(ISO)(ISO)( )( )

In 1946, delegates from 25 countries met in London and decided to create a new international organization, of which the object would be "to facilitate the international coordination and unificationfacilitate the international coordination and unification of industrial standards". The new organization, ISO, officially began operations on 23 February 1947, in Geneva SwitzerlandGeneva, Switzerland

6/9/20116/9/2011 Nanocellulose Standards WorkshopNanocellulose Standards Workshop 22

ISO TC 229ISO TC 229 ProfileProfileISO TC 229 ISO TC 229 ProfileProfile

ISO TC229 was created in 2005ISO TC229 was created in 2005 ISO TC229 was created in 2005.ISO TC229 was created in 2005. Current Chair: Dr. Peter Hatto (UK), until Current Chair: Dr. Peter Hatto (UK), until

2010 Current Secretariat: British2010 Current Secretariat: British2010. Current Secretariat: British 2010. Current Secretariat: British Standards Institute (BSI).Standards Institute (BSI).P ti i ti t iP ti i ti t i 3434 Participating countries: Participating countries: 3434

Observing countries: Observing countries: 1111


ISOISO TC 229 TC 229 NanotechnologiesNanotechnologiesggChairman Advisory Group

Advisory body to the Technical

Task Group 2 Task Group 3

Advisory body to the Technical Committee Chair

p

Consumer and societal dimensions of nanotechnologies

p

Nanotechnologies and sustainability

Nanocellulose Task Group*

Discuss nanocellulose international standards development within the ISO organization

*To be proposed by U.S., Canada, Finland, Japan, RSA


Function and Tasks of the Function and Tasks of the Proposed Task GroupProposed Task GroupProposed Task GroupProposed Task Group

Bring existing and future discussion of nanocellulose Bring existing and future discussion of nanocellulose g gg ginternational standards development into the ISO TC229 international standards development into the ISO TC229 structure.structure.

Develop strategies to ensure efficient development of a suiteDevelop strategies to ensure efficient development of a suite Develop strategies to ensure efficient development of a suite Develop strategies to ensure efficient development of a suite of internationals standards for nanocellulose through of internationals standards for nanocellulose through proposals of new work items. proposals of new work items. Identif and each o t to othe ISO TC’s (TC 6 Pape Boa dIdentif and each o t to othe ISO TC’s (TC 6 Pape Boa d Identify and reach out to other ISO TC’s (TC 6, Paper, Board Identify and reach out to other ISO TC’s (TC 6, Paper, Board and Pulps for example) that will have an interest in ISO and Pulps for example) that will have an interest in ISO standards development in nanocellulose or its application. standards development in nanocellulose or its application.

Identify and reach out to experts, industries, delegations and Identify and reach out to experts, industries, delegations and other standardsother standards--developing organizations such as CEN and developing organizations such as CEN and OECD to join the nanocellulose standards developing OECD to join the nanocellulose standards developing activities. (ISO has agreements to work with CEN, OECD.)activities. (ISO has agreements to work with CEN, OECD.)


Status of the Nanocellulose Task Status of the Nanocellulose Task llGroup ProposalGroup Proposal

The draft was reviewed by stakeholders inThe draft was reviewed by stakeholders in The draft was reviewed by stakeholders in The draft was reviewed by stakeholders in U.S., Canada, Norway, Finland, RSA, U.S., Canada, Norway, Finland, RSA, Japan and othersJapan and othersJapan, and others.Japan, and others.

The proposal is currently in the U.S. TAG The proposal is currently in the U.S. TAG for discussion to propose to ISO TC 229for discussion to propose to ISO TC 229for discussion to propose to ISO TC 229.for discussion to propose to ISO TC 229.

The proposal may be coThe proposal may be co--sponsored by sponsored by U S C d Fi l d J RSAU S C d Fi l d J RSAU.S., Canada, Finland, Japan, RSA.U.S., Canada, Finland, Japan, RSA.


Stages Stages and and Associated Associated Documents in ISO Standards Documents in ISO Standards

D l tD l tDevelopmentDevelopment

Preliminary Work Item PRELIIMINARY (PWI)

PROPOSAL (NP)New Work Item

y ( )

PREPARATORY (WD)Working Draft

COMMITTEE (CD)Committee Draft

ENQUIRY (DIS)Draft International Standard

APPROVAL (FDIS)Final Draft International Standard

PUBLICATION (IS)International Standard

Who Can Propose New Work Items?Who Can Propose New Work Items?Who Can Propose New Work Items?Who Can Propose New Work Items?

Proposals can come from many sources both Proposals can come from many sources, both within and outside ISO

– National body member (participating on the respective TC or SC)

–– Liaison OrganizationsLiaison Organizations–– TMB or Advisory GroupTMB or Advisory Group

CEOCEOrespective TC or SC)– TC/SC Secretariat– Another TC/SC

–– CEOCEO

/

6/9/20116/9/2011 88Nanocellulose Standards WorkshopNanocellulose Standards Workshop

Key Documents in the ISO ProcessKey Documents in the ISO ProcessKey Documents in the ISO Process Key Documents in the ISO Process

New work item proposalNew work item proposal PRELIIMINARY (PWI)p pp p–– Can be proposed by a national body, Can be proposed by a national body,

secretariat of TC, other TC, liaison secretariat of TC, other TC, liaison organization, TMB or the CEO organization, TMB or the CEO

PROPOSAL (NP)

( )

o ga at o , o t e C Oo ga at o , o t e C O–– The originator shall make every effort The originator shall make every effort

to provide a first working draft (or to provide a first working draft (or outline of a working draft), nominate outline of a working draft), nominate

PREPARATORY (WD)

COMMITTEE (CD)g ),g ),a project leader, propose date of a project leader, propose date of publicationpublication

–– Approval by simple majority of PApproval by simple majority of P--

ENQUIRY (DIS)

pp y p j ypp y p j ymembers in TC or SC votingmembers in TC or SC voting

–– Project leader and experts to develop Project leader and experts to develop a working drafta working draft

APPROVAL (FDIS)

PUBLICATION (IS)gg


Key Documents in the ISO ProcessKey Documents in the ISO ProcessKey Documents in the ISO ProcessKey Documents in the ISO Process

Committee DraftCommittee Draft PRELIIMINARY (PWI)

–– CD’s are circulated to PCD’s are circulated to P-- and Oand O--members for comment, resolve members for comment, resolve technical issues, consensus.technical issues, consensus.

PROPOSAL (NP)

( )

tec ca ssues, co se sustec ca ssues, co se sus–– ""consensusconsensus: ....absence of sustained : ....absence of sustained

opposition to substantial issues ... and opposition to substantial issues ... and by a process that involves seeking to by a process that involves seeking to

PREPARATORY (WD)

COMMITTEE (CD)y p gy p gtake into account the views of all take into account the views of all parties concerned and to reconcile any parties concerned and to reconcile any conflicting arguments.conflicting arguments.

ENQUIRY (DIS)

–– NOTE: Consensus need not imply NOTE: Consensus need not imply unanimity. When in doubt unanimity. When in doubt –– 2/3 of P2/3 of P--members in TC or SC voting members in TC or SC voting

APPROVAL (FDIS)

PUBLICATION (IS)


Key Documents in the ISO ProcessKey Documents in the ISO ProcessKey Documents in the ISO ProcessKey Documents in the ISO Process

For a CD to be accepted as anFor a CD to be accepted as an PRELIIMINARY (PWI) For a CD to be accepted as an For a CD to be accepted as an ISO International Standard, it ISO International Standard, it must be approved by at least must be approved by at least

PROPOSAL (NP)

( )

twotwo--thirds of the ISO national thirds of the ISO national members that participated in members that participated in it d l t d t bit d l t d t b

PREPARATORY (WD)

COMMITTEE (CD)its development and not be its development and not be disapproved by more than a disapproved by more than a quarter of all ISO membersquarter of all ISO members

ENQUIRY (DIS)

quarter of all ISO members quarter of all ISO members who vote on it.who vote on it.

APPROVAL (FDIS)

PUBLICATION (IS)


ISO Standards Development ISO Standards Development llTime limitTime limit

Technical Committee or Subcommittee decideTechnical Committee or Subcommittee decide Technical Committee or Subcommittee decide Technical Committee or Subcommittee decide target dates of completion but ISO guidance target dates of completion but ISO guidance time limits are:time limits are:

Working draft: 6 monthWorking draft: 6 month Committee draft: 12 monthCommittee draft: 12 month Enquiry draft: 24 monthEnquiry draft: 24 month Approval draft: 33 monthApproval draft: 33 monthApproval draft: 33 monthApproval draft: 33 month Publish standard: 36 monthPublish standard: 36 month ISO TMB will terminate a project after 5 yearsISO TMB will terminate a project after 5 years ISO TMB will terminate a project after 5 yearsISO TMB will terminate a project after 5 years


ISOISO ProductsProductsISO ISO ProductsProducts ISO products, Besides ISO products, Besides ISO StandardsISO Standardsp ,p ,

–– Technical SpecificationsTechnical Specifications ... subject ... still under development or ... there is the future ... subject ... still under development or ... there is the future

but not immediate possibility of an agreement to publish anbut not immediate possibility of an agreement to publish anbut not immediate possibility of an agreement to publish an but not immediate possibility of an agreement to publish an International StandardInternational Standard

Require 2/3 majority of PRequire 2/3 majority of P--members voting in TC or SCmembers voting in TC or SC Reviewed in 3 years to convert to standardsReviewed in 3 years to convert to standardsReviewed in 3 years to convert to standardsReviewed in 3 years to convert to standards

–– Publicly Publicly Available Specifications (PAS)Available Specifications (PAS) A PAS may be an intermediate specification, published prior A PAS may be an intermediate specification, published prior

to the development of a full International Standardto the development of a full International Standardto the development of a full International Standardto the development of a full International Standard Simple majority of PSimple majority of P--members voting in TC or SCmembers voting in TC or SC Convert to normative document in 3 yearsConvert to normative document in 3 years

Technical ReportsTechnical Reports–– Technical ReportsTechnical Reports Data normally different from standards, simple majority of PData normally different from standards, simple majority of P--

members voting in TC or SCmembers voting in TC or SC

Nanocellulose is New for ISO Nanocellulose is New for ISO TC229TC229

Organizing around a single material is newOrganizing around a single material is new Organizing around a single material is new Organizing around a single material is new for ISO TC229.for ISO TC229.

Creating a Task Group to organize a singleCreating a Task Group to organize a single Creating a Task Group to organize a single Creating a Task Group to organize a single material is new for ISO TC229.material is new for ISO TC229.Th ill b t iti t t ithTh ill b t iti t t ith There will be opportunities to partner with There will be opportunities to partner with other ISO TC’s, organizations. other ISO TC’s, organizations.


Please Let Us KnowPlease Let Us KnowPlease Let Us KnowPlease Let Us Know

The state of development of nanocelluloseThe state of development of nanocellulose The state of development of nanocellulose The state of development of nanocellulose and its target application in your country.and its target application in your country.

Commercialization and marketing outlook.Commercialization and marketing outlook.Commercialization and marketing outlook.Commercialization and marketing outlook. Based on the state of development and Based on the state of development and

commercialization outlook, please present commercialization outlook, please present , p p, p pyour opinion on what are the international your opinion on what are the international standards needed in order to facilitate standards needed in order to facilitate

ll l & d i li ill l & d i li inanocellulose R&D and commercialization. nanocellulose R&D and commercialization.


Goals and Products of the Goals and Products of the k hk hWorkshopWorkshop

Roadmap for nanocellulose internationalRoadmap for nanocellulose international Roadmap for nanocellulose international Roadmap for nanocellulose international standards development.standards development.

Designate leads to develop new work itemDesignate leads to develop new work item Designate leads to develop new work item Designate leads to develop new work item proposals to be formally proposed to ISO proposals to be formally proposed to ISO TC229 at the Johannesburg RSA meetingTC229 at the Johannesburg RSA meetingTC229 at the Johannesburg RSA meeting TC229 at the Johannesburg RSA meeting in Nov 2011.in Nov 2011.K k h ti i t t thK k h ti i t t th Keep workshop participants together as Keep workshop participants together as steering group for nanocellulose steering group for nanocellulose i t ti l t d d d l ti t ti l t d d d l tinternational standards development.international standards development.


We need volunteers to help us write theWe need volunteers to help us write theWe need volunteers to help us write the We need volunteers to help us write the report. If you are interested, please join report. If you are interested, please join the discussion leads scribes andthe discussion leads scribes andthe discussion leads, scribes and the discussion leads, scribes and organizing chairs at 3:00 pm to discuss organizing chairs at 3:00 pm to discuss report writing and assignmentsreport writing and assignmentsreport writing and assignments.report writing and assignments.

TAPPI will make the presentations TAPPI will make the presentations available Please send your presentationavailable Please send your presentationavailable. Please send your presentation available. Please send your presentation to Colleen Walker.to Colleen Walker.


ISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published Products WG1 Terminology and NomenclatureWG1 Terminology and Nomenclaturegygy

–– Nanotechnologies Nanotechnologies –– Model taxonomic framework for use in Model taxonomic framework for use in developing vocabularies developing vocabularies –– Core concepts (ISO/TR 12802:2010)Core concepts (ISO/TR 12802:2010)

–– NanotechnologiesNanotechnologies ---- Terminology and definitions for nanoTerminology and definitions for nano--Nanotechnologies Nanotechnologies Terminology and definitions for nanoTerminology and definitions for nanoobjects objects ---- Nanoparticle, nanofibre and nanoplate (ISO/TS Nanoparticle, nanofibre and nanoplate (ISO/TS 27687:2008 )27687:2008 )

–– NanotechnologiesNanotechnologies ---- VocabularyVocabulary ---- Part 3: Carbon nanoPart 3: Carbon nano--objectsobjectsNanotechnologies Nanotechnologies Vocabulary Vocabulary Part 3: Carbon nanoPart 3: Carbon nano objects objects ( ISO/TS 80004( ISO/TS 80004--3:2010) 3:2010)

–– Nanotechnologies Nanotechnologies ---- Methodology for the classification and Methodology for the classification and categorization of nanomaterials (ISO/TR 11360:2010)categorization of nanomaterials (ISO/TR 11360:2010)categorization of nanomaterials (ISO/TR 11360:2010)categorization of nanomaterials (ISO/TR 11360:2010)

–– Nanotechnologies Nanotechnologies –– Vocabulary Vocabulary –– Part 1: Core terms (ISO/TS Part 1: Core terms (ISO/TS 8000480004--1:2010)1:2010)

ISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published Products

WG2 Characterization and MetrologyWG2 Characterization and Metrology WG2 Characterization and MetrologyWG2 Characterization and Metrology–– Nanotechnologies Nanotechnologies ---- Characterization of singleCharacterization of single--wall wall

carbon nanotubes using near infrared carbon nanotubes using near infrared photoluminescence spectroscopy (ISO/TS photoluminescence spectroscopy (ISO/TS 10867:2010)10867:2010)

–– NanotechnologiesNanotechnologies –– Characterization of volatileCharacterization of volatileNanotechnologies Nanotechnologies Characterization of volatile Characterization of volatile components in single wall carbon nanotube samples components in single wall carbon nanotube samples using evolved gas analysis/gas chromatographusing evolved gas analysis/gas chromatograph--mass mass

t t (ISO/TS 11251 2010)t t (ISO/TS 11251 2010)spectrometry (ISO/TS 11251:2010)spectrometry (ISO/TS 11251:2010)


ISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published ProductsISO TC229 Published Products WG3 Environment, Health and SafetyWG3 Environment, Health and Safety, y, y

–– Nanotechnologies Nanotechnologies -- Health and safety practices in occupational Health and safety practices in occupational settings relevant to nanotechnologies (settings relevant to nanotechnologies (ISO/TR 12885:2008)ISO/TR 12885:2008)

–– NanotechnologiesNanotechnologies -- Nanomaterial risk evaluation (ISO/TRNanomaterial risk evaluation (ISO/TRNanotechnologies Nanotechnologies Nanomaterial risk evaluation (ISO/TR Nanomaterial risk evaluation (ISO/TR 13121:2011)13121:2011)

–– Nanotechnologies Nanotechnologies -- Endotoxin test on nanomaterial samples for Endotoxin test on nanomaterial samples for in vitro systemsin vitro systems -- Limulus amebocyte lysate (LAL) test (ISOLimulus amebocyte lysate (LAL) test (ISOin vitro systems in vitro systems Limulus amebocyte lysate (LAL) test (ISO Limulus amebocyte lysate (LAL) test (ISO 29701:2010)29701:2010)

–– Nanotechnologies Nanotechnologies ---- Characterization of nanoparticles in Characterization of nanoparticles in inhalation exposure chambers for inhalation toxicity testing (ISOinhalation exposure chambers for inhalation toxicity testing (ISOinhalation exposure chambers for inhalation toxicity testing (ISO inhalation exposure chambers for inhalation toxicity testing (ISO 10808:2010)10808:2010)

–– Nanotechnologies Nanotechnologies ---- Generation of metal nanoparticles for Generation of metal nanoparticles for inhalation toxicity testing using the evaporation /condensationinhalation toxicity testing using the evaporation /condensation


inhalation toxicity testing using the evaporation /condensation inhalation toxicity testing using the evaporation /condensation method (ISO 10801:2010)method (ISO 10801:2010)

Ongoing ProjectsOngoing Projects WGWG 1 Terminology and1 Terminology andOngoing Projects Ongoing Projects -- WG WG 1 Terminology and 1 Terminology and Nomenclature Nomenclature

Terminology and definitions - Part.4: Nanostructured materials

Terminology and definitions - Part 5: Bio/nano interface Terminology and definitions Part 5: Bio/nano interface Terminology and definitions - Part. 6: Nanoscale

measurement and instrumentation Terminology and definitions - Part 7: Medical health and Terminology and definitions Part 7: Medical, health and

personal care applications Terminology and definitions - Part 10:

Nanomanufacturing processesNanomanufacturing processes Framework for nomenclature models for nano-objects

Ongoing Projects Ongoing Projects -- WG WG 2 Measurement & 2 Measurement & Ch t i tiCh t i tiCharacterizationCharacterization

Characterization of SWCNTs using TEM Characterization of SWCNTs using TEM Characterization of SWCNTs using SEM/EDXA Characterization of SWCNTs using UV-Vis-NIR absorption

spectroscopy Measurement methods for the char. MWCNTs Characterization of SWCNTs using TGA Determination of mesoscopic shape factors of MWCNTS

G l f k f d t i i ti l t t i General framework for determining nanoparticle content in nanomaterials by generation of aerosols

Artificial gratings used in nanotechnology -- Description & measurement of dimensional quality parameters q y p

Determination of metal impurities in CNTs using ICP-MS Generic requirements for reference materials for development of

methods for characteristic testing, performance testing and safety testing of nanoparticle and nano-fiber powderstesting of nanoparticle and nano-fiber powders

Ongoing ProjectsOngoing Projects -- WGWG 33 EH&SEH&SOngoing Projects Ongoing Projects WG WG 3 3 EH&SEH&S

Guidance on phy.-chem. char. MNOs submitted for toxicological testingtoxicological testing

Guide to safe handling & disposal MNMS Guidelines for occupational risk management applied to

ENMs based on a "control banding approach"ENMs based on a control banding approach Preparation of safety data sheets (SDS) for

nanomaterials Detection of surface bound molecules to gold Detection of surface bound molecules to gold

nanoparticles using FT-IR spectroscopy Guidance on Toxicological Screening Methods for MNMs

G id S l P M th d & D i t Guidance on Sample Prep. Methods & Dosimetry Considerations for MNMS

Muramic Acid as a Biomarker for Silver Nanoparticles ActivityActivity

Ongoing Projects Ongoing Projects -- WG WG 4 Materials 4 Materials S ifi tiS ifi tiSpecifications Specifications

Nano-calcium carbonate -- Part 1: Characteristics and measurement methods

Nano-titanium dioxide –Part 1: Characteristics and measurement methods N t i l G id if i Nanomaterials - Guidance on specifying nanomaterials Nanotechnolog nano pa ticles in po de fo m Nanotechnology - nano particles in powder form - characteristics and measurements

Thank You!Thank You!

World NiehWorld NiehU.S. Forest Service National HeadquartersProgram LeadForest Products and Wood Utilization

i h@f f [email protected]


ISO IsISO IsISO Is …ISO Is …

D tiD ti F ll b h th i ht t t k t i thF ll b h th i ht t t k t i th DemocraticDemocratic -- Full member has the right to take part in the Full member has the right to take part in the development of any standard. Each member has one development of any standard. Each member has one vote. vote.

VoluntaryVoluntary –– ISO is a nonISO is a non--government organization. ISO government organization. ISO standards are voluntary.standards are voluntary.

MarketMarket--drivendriven -- ISO only develops standards for whichISO only develops standards for which MarketMarket drivendriven ISO only develops standards for which ISO only develops standards for which there is a market requirement.there is a market requirement.

ConsensusConsensus--basedbased -- ISO standards are based on ISO standards are based on international consensus among the experts in the fieldinternational consensus among the experts in the fieldinternational consensus among the experts in the field.international consensus among the experts in the field.

Globally relevantGlobally relevant -- are designed to be globally relevant, are designed to be globally relevant, useful everywhere in the world.useful everywhere in the world.


Terminology and Definitions for Terminology and Definitions for b ( )b ( )NanoNano--objects (TS)objects (TS)††

Core TermsCore Terms Core TermsCore Terms–– Nanoscale: size range from approximately 1 Nanoscale: size range from approximately 1

nm to 100 nmnm to 100 nmnm to 100 nm. nm to 100 nm. –– NanoNano--object: material with one, two or three object: material with one, two or three

external dimensions in the nanoscale.external dimensions in the nanoscale.external dimensions in the nanoscale.external dimensions in the nanoscale.

†ISO/TS 27867. Nanotechnologies Nanotechnologies —— Terminology and definitions for nanoTerminology and definitions for nano--objects objects —— Nanoparticle, nanofibre and nanoplateNanoparticle, nanofibre and nanoplate


Terminology and Definitions for Terminology and Definitions for b ( )b ( )NanoNano--objects (TS)objects (TS)††

Nanoparticle: all three external dimensions inNanoparticle: all three external dimensions in Nanoparticle: all three external dimensions in Nanoparticle: all three external dimensions in the nanoscalethe nanoscale

Nanoplate: one external dimension in theNanoplate: one external dimension in theNanoplate: one external dimension in the Nanoplate: one external dimension in the nanoscale and two others external dimensions nanoscale and two others external dimensions significantly largersignificantly larger

Nanofiber: two similar external dimensions in Nanofiber: two similar external dimensions in the nanoscale and the third dimension the nanoscale and the third dimension

f l lf l lsignificantly largersignificantly larger

†ISO/TS 27867. Nanotechnologies Nanotechnologies —— Terminology and definitions for nanoTerminology and definitions for nano--bj tbj t N ti l fib d l tN ti l fib d l t


objects objects —— Nanoparticle, nanofibre and nanoplateNanoparticle, nanofibre and nanoplate

Needs for Standards in Needs for Standards in N h lN h lNanotechnologyNanotechnology

To support commercialization and market development T id b i f t To provide a basis for procurement through technical requirements, and quality and environmental managementquality and environmental management

To support voluntary governance structures and appropriate legislation pp p gand regulation


ISO TC 229 ISO TC 229 NanotechnologiesNanotechnologiesgg

Terminology and NomenclatureTerminology and Nomenclature

Working Group 1 Working Group 2

Metrology and CharacterizationMetrology and CharacterizationTerminology and NomenclatureTerminology and Nomenclature

Convened by CanadaConvened by CanadaDefine and develop unambiguous and uniform Define and develop unambiguous and uniform terminology and nomenclature in the field ofterminology and nomenclature in the field of

Metrology and CharacterizationMetrology and Characterization

Convened by JapanConvened by JapanThe development of standards for measureThe development of standards for measure--

t h t i ti d t t th d ft h t i ti d t t th d fterminology and nomenclature in the field of terminology and nomenclature in the field of nanotechnologies to facilitate communication and nanotechnologies to facilitate communication and to promote common understanding.to promote common understanding.

ment, characterization and test methods for ment, characterization and test methods for nanotechnologies, taking into consideration nanotechnologies, taking into consideration needs for metrology and reference materials.needs for metrology and reference materials.

W ki G 3 W ki G 4Working Group 3

Health, Safety and EnvironmentHealth, Safety and Environment

Working Group 4

Material SpecificationsMaterial Specifications

Convened by U.S.A.Convened by U.S.A.The development of scienceThe development of science--based standards in based standards in the areas of health, safety, and environmental the areas of health, safety, and environmental aspects of nanotechnologies.aspects of nanotechnologies.

Convened by ChinaConvened by ChinaDevelop standards for specifying nanoDevelop standards for specifying nano--materialsmaterials


aspects of nanotechnologies.aspects of nanotechnologies.