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Lab Chemical Storage Guide - Harvard University

StartIs the following GHS Pictogram on the label?Hazard Statement contains Catches fire or In contact with water, emits .. acid ?YesHazard Statement contains ..flammable liquid ..r or Flammable aerosol NoYesInorganic acid ?YesInorganic Base?NoNo YesLab-Safe Refrigerator/FreezerInerted glove boxDedicated cabinet away from other Storage Refrigerator/FreezerFlammable Storage CabinetApproved Safety CanStorage GroupPyrophorics/Water Reactives(PW)YesStorage GroupFlammable Liquids(FL) Storage GroupOrganic Acids(OA) Storage GroupInorganic Acids(IA)Corrosive/ acid Storage Cabinet Standard Wooden CabinetStandard Chemical Storage Refrigerator/FreezerCorrosives/ acid Storage Cabinet Standard Wooden CabinetStorage GroupInorganic Bases(IB)YesCorrosives/ acid Storage CabinetStandard Wooden CabinetStorage Group Explosive/Unstable (EU)Hazard Statement contains May cause fire or explosion.

Do not store any organic acids in a storage cabinet containing perchloric acid. Vent Corrosive/Acid storage cabinets, if feasible. Avoid placing in unvented metal cabinet unless designed for corrosive/acid storage. Use a secondary containment bin to separate from acids if stored in same cabinet. Vent Corrosive/Acid storage cabinets, if feasible.

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Transcription of Lab Chemical Storage Guide - Harvard University

1 StartIs the following GHS Pictogram on the label?Hazard Statement contains Catches fire or In contact with water, emits .. acid ?YesHazard Statement contains ..flammable liquid ..r or Flammable aerosol NoYesInorganic acid ?YesInorganic Base?NoNo YesLab-Safe Refrigerator/FreezerInerted glove boxDedicated cabinet away from other Storage Refrigerator/FreezerFlammable Storage CabinetApproved Safety CanStorage GroupPyrophorics/Water Reactives(PW)YesStorage GroupFlammable Liquids(FL) Storage GroupOrganic Acids(OA) Storage GroupInorganic Acids(IA)Corrosive/ acid Storage Cabinet Standard Wooden CabinetStandard Chemical Storage Refrigerator/FreezerCorrosives/ acid Storage Cabinet Standard Wooden CabinetStorage GroupInorganic Bases(IB)YesCorrosives/ acid Storage CabinetStandard Wooden CabinetStorage Group Explosive/Unstable (EU)Hazard Statement contains May cause fire or explosion.

2 Strong oxidizer or May intensify a fire, oxidizer YesStorage GroupOxidizers(OX)YesNoHazard Statement contains Fatal if swallowed, inhaled, or in contact with skin. Storage Group General Storage (GS)NoStorage GroupHigh Acute Toxicity(AT)YesNoInstructionsBefore using this decision logic, read the General Storage Guidelines in the box Start, move downward until you reach a GHS pictogram that is on the label (See Note below).Follow the decision logic to identify the Storage Groupand recommended Storage locations. If the logic returns you to another pictogram, continue to move downward until you reach a pictogram on the label. Read any additional recommendations associated with the Storage group and review Sections Conditions for Safe Storage and 10, Stability and Reactivity, of the Safety Data Sheet (SDS) to determine any special Storage requirements and to verify all Chemical Storage groups.

3 Storage in separate cabinets or locations always meets this requirement and is preferred where space allows. Separating Storage groups using secondary containment bins also meets this requirement, unless specifically prohibited in this :If the product does not have a GHS label search Sigma Aldrich or go to ChemWatch and look at their Gold SDS for the same product and use Section 2: Hazard Identification of their SDS to complete the decision logic .Lab Chemical Storage Guide General Storage GuidelinesStore chemicals only in cool, dry not store chemicals in direct sunlight or near a heat store chemicals in well ventilated areas. Do not store gases or volatile hazardous chemicals in unventilated cold or warm storing chemicals on the floor.

4 If unavoidable, then store in a secondary containment to store liquids below eye level. Have appropriate step stool or ladder available if chemicals are stored at higher labels should be used for peroxide forming chemicals. Record received and opened date on the label of all time-sensitive not remove original labels from containers. Replace labels if they are not legible. Appropriate GHS information should be chemicals to designated Storage location when not in use. Do not store chemicals in any fume hood used to conduct laboratory reseal opened containers before returning to Storage . Replace broken, cracked or deteriorated caps. Use Teflon tape and paraffin as indicated to control fugitive emissions of volatile high hazard or stench recommends that secondary containment bins, where employed, are labeled with the Storage group separate Chemical Storage from hazardous waste Chemical Storage Refrigerator/FreezerSecure cabinet, as requiredConsider a vented cabinet for liquids with high Chemical Storage Refrigerator/FreezerAny dedicated cabinet or shelf Storage area away from other Storage not store in flammable Storage refrigerator/freezer or flammable liquid Storage not store on bare (uncoated)

5 Wood or other combustible hydrofluoric acid in dedicated secondary containment perchloric acid in dedicated secondary containment bin. Do not store in same cabinet with organic chemicals including Organic Corrosive/ acid Storage cabinets, if placing in unvented metal cabinet unless designed for corrosive/ acid only lab safe refrigerator/freezer for cold flammable liquids in containers liter must be stored in approved flammable Storage cabinets or safety cans. Limited amounts of containers < liter may be stored outside cabinets/safety cans in some jurisdictions. Contact EHS for additional flammable organic acids in dedicated secondary containment a flammable Storage cabinet is not recommended.

6 Contact EHS about requirements before Chemical Storage Refrigerator/FreezerCorrosives/ acid Storage CabinetStandard Wooden CabinetMonitor container conditionMay be stored with General Storage GroupContact EHS and Department Safety of organic and inorganic chemicals is only lab safe refrigerator/freezer for cold not store with flammable liquids in flammable Storage under inert atmosphere when not store any organic acids in a Storage cabinet containing perchloric Corrosive/ acid Storage cabinets, if placing in unvented metal cabinet unless designed for corrosive/ acid a secondary containment bin to separate from acids if stored in same Corrosive/ acid Storage cabinets, if Guide does not apply to the Storage of hazardous waste or gases under pressureNo


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