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best practices in laboratories from the dual perspectives of research and sustainability
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best practices: laboratory equipment fume hoods ultra-low freezers lasers microscopes large centrifuges heating blocks tissue culture hoods autoclaves deionized, distilled, and ultrapure water
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plastics gloves animal bedding best practices: laboratory consumables
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a brief conceptualization of energy consumption 30 kWh/day
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fume hoods wikipedia.com
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fume hoods greenfumehood.com
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fume hoods classification velocity of airflow through the hood uses of the hood ducted v ductless
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fume hoods: how it works ehs.ufl.edu
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fume hoods: how it works web.princeton.edu
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fume hoods: constant air volume (CAV) exhaust flowrate or quantity of air pulled through the hood is constant oregonstate.edu
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fume hoods: variable air volume (VAV) exhaust flowrate or quantity of air pulled through the hood varies southwestsolutions.com
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fume hoods energy consumption 3x typical household -Lawrence Berkeley Labs
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‘be good in the hood’
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ALWAYS close the sash thermoscientific.com safest position.
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‘be good in the hood’ do not store unnecessary items in the hood
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‘be good in the hood’ being good in the fume hood not only ensures your safety but it also saves energy
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tissue culture hoods med.cam.ac.uk newvoiceforresearch.blogspot.com
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tissue culture hoods: how they work ars.usda.gov
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tissue culture hoods energy consumption 1 – 12.6 kWh/day depending on usage -manufacturer data 0.3 – 0.6 kWh/day per UV lamp -manufacturer data
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‘be good in the hood’
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turn hood COMPLETELY off thelabworldgroup.com prevents UV damage to reagents and staff
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‘be good in the hood’ being good in the tc hood not only ensures your safety and prevents unnecessary UV damage to hood contents but it also saves energy
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ultra-low freezers
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ultra-low freezers: -80 energy consumption 15 – 20 kWh/day -manufacturer data -validated by monitoring
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‘-70 is the new -80’
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chill up freezers from -80 to -70 save 2-4kW per day
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DOE ‘-70 is the new -80’
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clean freezer coils, regularly defrost freezer save 12-25% energy other best practices for ultra-low freezers prolong lifetime of the freezer
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perform scheduled maintenance on freezers other best practices for ultra-low freezers prolong lifetime of the freezer
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remove old, unneeded samples other best practices for ultra-low freezers fewer samples stored, fewer freezers are needed
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transfer samples to other storage paradigms -20 freezers ambient temperature storage containers other best practices for ultra-low freezers fewer samples stored, fewer freezers are needed
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lasers laserfest.org
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lasers: types gas lasers solid state
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lasers: gas energy consumption 15 – 120 kWh/day -manufacturer data
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exchange gas lasers for solid state lasers could save a minimum of 50% energy -manufacturer data best practices for lasers solid state lasers last longer, lower maintenance costs
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prolongs lifetime of the laser saves energy best practices for lasers turn off (gas) lasers when not in use, especially over the weekend
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microscopes
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mercury-free microscopy
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mercury/metal halide bulbs mercury-free microscopy
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mercury/metal halide bulbs 5000 hours/mg Hg 2.5 hours/mg Hg 1 bulb 2000 bulbs mercury-free microscopy
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recycle used mercury and metal halide bulbs
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energy consumption illumination: 0.12 – 6 kWh/day -monitored by My Green Lab other best practices for microscopy
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exchange mercury/metal halide for solid state light sources savings 25 – 90% -monitored by My Green Lab other best practices for microscopy less toxic, cost less to own, in many cases are better for samples
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cost of ownership of microscope illumination sources MERCURY ARCMETAL HALIDESOLID STATE Replacement bulbs15015n/a Total Bulb Costs$22,500$10,500$0 Total Liquid Light Guide Costs n/a$5,250$0
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LED comparison with metal halide: stability
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LED comparison with metal halide: ‘brightness’ metal halide (300hrs) v. sold state
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LED comparison with metal halide: energy consumption
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other best practices for microscopy turn off microscope equipment when not in use prolongs lifetime of the equipment saves energy
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large centrifuges djblabcare.co.uk
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large centrifuges energy consumption 0.7 – 6 kWh/day -manufacturer data
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store rotors at 4 C energy savings minimum 10% best practices for large centrifuges saves time
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turn centrifuge off after use savings minimum 10% best practices for large centrifuges prolongs lifetime
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heating blocks phenixresearch.com
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heating blocks energy consumption 0.5 – 12 kWh/day -S-labs
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best practices for heating blocks turn them off when not in use energy savings minimum 10% prolongs lifetime improves safety
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autoclaves oh.water.usgs.gov lightlabsusa.com
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autoclaves: types stand-alone bench-top
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autoclaves water consumption 90 gallons hot water per cycle 22 gallons cold water for effluent cooling -UCSB
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autoclaves University of Edinburgh autoclaves accounted for 41% of the total energy usage on campus energy consumption
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combine loads use a smaller, research –grade autoclave best practices for autoclaves keep autoclave in ‘standby’ rather than ‘on’
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water tap water distilled water deionized water ultrapure water
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water tap water distilled water deionized water ultrapure water purified
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distilled water (ddH 2 O) www.stuart-equipment.com energy and water intense
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deionized water (DI) pre-treatment reverse osmosis polishing (deionization) UV sterilization, final filtration usually stored 50% efficient
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ultrapure water: Millipore (MilliQ) goes through a filter 35-50% efficient, larger systems more efficient -UCSB
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only use what is necessary – keep in mind that what you use is just a fraction of the total water being used recycle filter cartridges through Millipore best practices for water consumption
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consumables
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plastics
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caissonlabs.comlabnetinternational.com
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plastics waste stream est 12% is recycled every year est 1100 square miles of plastic leave labs -Mt. Baker Bio
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recycle plastics that can be recycled best practices for plastics utilize vendor recycling programs use biodegradable plastics use only what is needed
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VWR: TerraCycle for all pipet tip boxes vendor recycling programs Genessee Scientific: pipet tip boxes only from GS Mt. Baker Bio: pipet tip boxes, reagent bottles
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gloves wikipedia.org
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gloves waste stream 1000s of pounds – not well documented
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reuse gloves when possible best practices for gloves glove recycling program through Kimberly-Clark
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animal bedding drsforstersmith.com petcity.com.au
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animal bedding waste stream usually sent to a landfill Emory University produces 22 tons/month
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compost best practices for animal bedding “bedder” animal bedding
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