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    ASTM D4297-2010 Standard Practice for Sampling and Handling Bisphenol A (4 4 -Isopropylidinediphenol)《双酚 A(4 4-二酚基丙烷)的采样和搬运》.pdf

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    ASTM D4297-2010 Standard Practice for Sampling and Handling Bisphenol A (4 4 -Isopropylidinediphenol)《双酚 A(4 4-二酚基丙烷)的采样和搬运》.pdf

    1、Designation: D4297 10Standard Practice forSampling and Handling Bisphenol A(4,4* -Isopropylidinediphenol)1This standard is issued under the fixed designation D4297; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last r

    2、evision. 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 safely sampling andhandling 4,48-isopropylidinediphenol, commercially known asbisphenol

    3、 A (BPA), in various solid forms, and as a liquid atelevated temperatures in a manner which represents andpreserves product quality.1.2 Any person sampling or handling this product shouldhave consulted a Material Safety Data Sheet (MSDS) forspecific first aid instructions and information on the prop

    4、erequipment to have available for use in the event of personalcontact or exposure.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 wi

    5、th its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. For specific hazardstatements, see Section 8.2. Referenced Documents2.1 OSHA Regulations:29 CFR Labor, parag

    6、raphs 1910.1000 and 1910.120022.2 U.S. DOT Regulations:49 CFR Transportation, Subchapter C, Parts 171-18023. Significance and Use3.1 This practice is issued to provide information useful inestablishing sampling and handling procedures. It is expectedthat this information will only be utilized in con

    7、junction withan existing health and safety program and consultation with anappropriate MSDS. The information provided herein cannot beused as a substitute for expert safety and medical advice asprovided in an appropriate MSDS, but rather as a supplementto such advice.4. Description of Product (See T

    8、able 1)4.1 Bisphenol A (BPA) is not classified as a hazardouschemical by the Department of Transportation, and is, thereforenot subject to DOT regulations governing the transportation ofhazardous articles. Bisphenol A is normally transported inseveral types of containers including cloth and paper ba

    9、gs, bulktrucks, and covered hopper cars. (See Table 1.)4.2 While bisphenol A (BPA) is dangerous when handledimproperly, particularly at elevated temperatures, its unloadingneed not be hazardous provided the hazards are recognized andhandling instructions are rigidly observed as detailed here andin a

    10、n appropriate MSDS.5. Hazards5.1 HealthConsult current OSHA regulations and suppli-ers Material Safety Data Sheets for all materials used in thispractice.5.1.1 Aside from the risk of thermal burns in handling BPAwhen molten, and a possibility of dermatitis from impurities,particularly in crude grade

    11、s, industrial use does not present asignificant health hazard. However, ordinary precautions mustbe observed to protect personnel from contact with moltenBPA or excessive exposure to dusts or high concentrations ofvapor.5.1.2 Precautions must be observed to protect personnelfrom excessive inhalation

    12、 of vapors and dust.5.2 Fire:5.2.1 BPA in both the solid and liquid form is combustibleand introduces a potential fire hazard when it is stored,handled, or used.5.2.2 BPA vapors or dust can form explosive mixtures withair.5.2.3 Dry chemicals, carbon dioxide, foam, and water canall be used in fightin

    13、g fires involving BPA.1This practice is under the jurisdiction of ASTM Committee D16 on AromaticHydrocarbons and Related Chemicals and is the direct responsibility of Subcom-mittee D16.08 on Handling and Sampling Aromatic and Cyclic Hydrocarbons.Current edition approved June 1, 2010. Published June

    14、2010. Originallyapproved in 1983. Last previous edition approved in 2009 as D4297 05 (2009).DOI: 10.1520/D4297-10.2Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.1*A Summary of Changes section a

    15、ppears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6. Protective Equipment6.1 Employees who work with BPA should be well trainedand should maintain safe working conditions. They should berequired to rea

    16、d an appropriate MSDS for BPA in its entiretyand consult appropriate, local, safety personnel if they haveany questions or concerns. Persons handling moltenbisphenol-A need to exercise particular care.7. First Aid7.1 Consult an appropriate MSDS for BPA with regards tofirst aid measures that should b

    17、e taken. In particular, extremecare must be observed handling molten BPA as it can causesevere thermal burns.8. Safety Precautions8.1 Exercise care to prevent spills and leaks. If they dooccur, only properly protected personnel should remain in thecontaminated area in accordance with the instruction

    18、s in anappropriate MSDS. All spill-related activities should complywith applicable EPA, OSHA, and local regulations and laws.8.2 Because of fire and dust explosion hazards, do notpermit open flames in the vicinity of tank carriers, othershipping containers, or storage tanks. Provide all electricalfi

    19、xtures with vapor-proof globes and explosion-proof safetydevices. Ground tank carriers by an approved method. Prohibitsmoking. All pneumatic conveying should be done withnitrogen or other inert gas.8.3 Any person sampling or handling these products shouldhave consulted an appropriate MSDS for specif

    20、ic first aidinstructions and equipment to have available for use in theevent of personal contact or exposure.8.4 Conduct sampling and handling operations in accor-dance with the instructions in an appropriate MSDS.9. Unloading Hopper Cars or Hopper Trucks9.1 Observe all safety precautions as outline

    21、d in Section 8and in an appropriate MSDS. Always follow shippers instruc-tions for unloading, and read and observe all caution markingson both sides of the hopper or dome.9.2 Opening of the hopper car dome cover and attachmentof delivery lines should all be done by accepted safetyprocedures.10. Samp

    22、ling Solid Bisphenol A10.1 Bulk QuantitiesTake a representative sample, pref-erably from a falling BPA stream, using a straight-pathsampler. Adjust sampler feed rate, slot width, cutter speed, andfrequency to collect 227-g of sample per 4540 kg of BPA.10.2 Bags (22.7 kg):10.2.1 Using a small thief,

    23、203 to 305 mm, remove about113 g of sample from 1 bag out of every 40 bags approximately907 kg of BPA. Take the sample from the filling ear or, ifnecessary, by opening one corner of the bag. Place each samplein a plastic bag. Tightly secure the sample bag to minimizeabsorption of moisture. Label wit

    24、h proper identification and inaccordance with OSHA Regulations, or other appropriate localregulations, or both.10.2.2 Make a composite blend from the individual samplesand mix thoroughly before analyzing.10.2.3 Aluminum, polyethylene, polypropylene, or stainlesssteel-type scoops are recommended for

    25、taking samples ofproduct from the bags selected for sampling. Avoid contami-nating the sample with iron or rust.10.3 Extreme care and good judgment are necessary toensure that the samples truly represent the product.10.4 Remove approximately 75 g portions from each of thebags selected from a sample

    26、unit and place in a plastic bag.Seal the opened bags with suitable tape.10.5 Label the sample container in accordance with OSHAor other appropriate local regulations, or both, to indicate, as aminimum, the date and time, source of the sample, type ofmaterial, purpose of the sample, and the name of t

    27、he sample.10.6 Large Bulk Sacks (500 to 1000 kg):10.6.1 Use a sample thief to collect 227-g samples for each1814 to 2268 kg of material.10.6.2 Place samples in plastic bags. Tightly secure thesample bags to minimize absorption of moisture. Labelsamples in accordance with 10.5.11. Keywords11.1 bisphe

    28、nol A; BPA; handling; samplingTABLE 1 Typical Physical Properties Product Bisphenol AMelting Point, CBoiling Point, C(10.5 mm Hg)Solid FormsFlash Point,CSpecific Gravity,25C154157 240 prills, flakes, crystals, powder 207.2 1.20 (solid) Editorially corrected.D4297 102SUMMARY OF CHANGESCommittee D16 h

    29、as identified the location of selected changes to this standard since the last issue(D4297 - 05 (2009) that may impact the use of this standard. (Approved June 1, 2010.)(1) All units converted to SI units.This standard is subject to revision at any time by the responsible technical committee and mus

    30、t be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the

    31、responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700

    32、, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D4297 103


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