ASTM_D_3438_-_19.pdf

Designation:D343819Standard Practice forSampling and Handling Naphthalene,Maleic Anhydride,andPhthalic Anhydride1This standard is issued under the fixed designation D3438;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This practice covers procedures for sampling and han-dling naphthalene,maleic anhydride,and phthalic anhydride invarious solid forms,and as liquids at elevated temperatures ina safe manner that represents and preserves quality.1.2 Any person sampling or handling these products shouldconsult the applicable Safety Data Sheet(SDS)for specific firstaid instructions and information on the proper equipment tohave available for use in the event of personal contact orexposure.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.For specific hazard statements,see Sections 3,4,5,6,and 7and an appropriate SDS.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2E300 Practice for Sampling Industrial Chemicals2.2 Other Documents:OSHA Regulations,29 CFRparagraphs 1910.1000 and1910.120033.Significance and Use3.1 This practice is issued to provide information useful inestablishing sampling procedures.It is expected that thisinformation will only be utilized in conjunction with anexisting health and safety program and consultation with theappropriate SDS.The information provided herein cannot beused as a substitute for expert safety and medical advice,butrather as a supplement to such advice.4.Description of Products(See Table 1)4.1 Phthalic anhydride is classified as hazardous by theDepartment of Transportation as a corrosive material and istherefore subject to DOT regulations governing the transpor-tation of hazardous materials.Maleic anhydride and naphtha-lene are classified as hazardous by the Department of Trans-portation and are subject to DOT regulations.Maleic anhydridehas the classification corrosive material,and naphthalene hasthe classification flammable solid.4.1.1 These products are normally transported in severaltypes of containers,including cartons,barrels,bags,cans,metal and fiber drums,tank trucks,tank cars,and barges.5.Hazards5.1 HealthConsult current OSHA regulations and suppli-ers Safety Data Sheet,and local regulations for all materialsused in this practice.5.1.1 Aside from the risk of burns in sampling theseproducts when molten,and a possibility of dermatitis fromimpurities,particularly in crude grades,industrial use does notpresent a significant health hazard.However,ordinary sam-pling precautions must be observed to protect personnel fromcontact with molten material or excessive exposure to dusts orhigh concentrations of vapor.1This practice is under the jurisdiction of ASTM Committee D16 on Aromatic,Industrial,Specialty and Related Chemicals and is the direct responsibility ofSubcommittee D16.08 on Handling and Sampling Aromatic and Cyclic Hydrocar-bons.Current edition approved Nov.1,2019.Published December 2019.Originallyapproved in 1975.Last previous edition approved in 2015 as D3438 15.DOI:10.1520/D3438-19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from U.S.Government Printing Office,Superintendent ofDocuments,732 N.Capitol St.,NW,Washington,DC 20401-0001,http:/www.access.gpo.gov.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.1.2 Precautions must be observed to protect personnelfrom excessive inhalation of vapors and dust.NOTE1For permissible exposure limits see OSHA Regulations,paragraph 1910.1000.5.2 Fire:5.2.1 These products in bot