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Table 3.

All required materials for stations 1 and 2, including quantity and estimated cost.

ItemQuantityCost
Stations 1 and 2  Plastic measuring cylinder (50 mL) $4.25a 
 Plastic wash bottle (250 mL) $4.95a 
 Plastic beaker (100 mL) $3.00a 
 Plastic funnel $1.70a 
 Erlenmeyer flask (250 mL) $4.50a 
 Plastic tray/slide
minimum size for use with filter: 10 × 10 cm;
minimum size for use without filter: microplastic particles can be transferred to a microscope slide 
$12.95a (144/pack) 
 Microscope for kids $39.95a 
 Coffee filter (pore size 20 µm)  
 Teaspoon  
 Workbooks (Supplemental Material Appendix A1 per student  
 Sample solution (Supplemental Material Appendix C 
Station 1  Laminated instructions “Part A & B” and laminated info-cards “Cosmetics” & “Exfoliating cream” (Supplemental Material Appendix B 
 Exfoliating cream containing microplastic  
Station 2  Laminated instructions “Part A & B” and laminated info-cards “Textiles” & “Polyester” (Supplemental Material Appendix B 
 Piece of fleece blanket + label  
 Liquid soap  
 Teaspoon  
ItemQuantityCost
Stations 1 and 2  Plastic measuring cylinder (50 mL) $4.25a 
 Plastic wash bottle (250 mL) $4.95a 
 Plastic beaker (100 mL) $3.00a 
 Plastic funnel $1.70a 
 Erlenmeyer flask (250 mL) $4.50a 
 Plastic tray/slide
minimum size for use with filter: 10 × 10 cm;
minimum size for use without filter: microplastic particles can be transferred to a microscope slide 
$12.95a (144/pack) 
 Microscope for kids $39.95a 
 Coffee filter (pore size 20 µm)  
 Teaspoon  
 Workbooks (Supplemental Material Appendix A1 per student  
 Sample solution (Supplemental Material Appendix C 
Station 1  Laminated instructions “Part A & B” and laminated info-cards “Cosmetics” & “Exfoliating cream” (Supplemental Material Appendix B 
 Exfoliating cream containing microplastic  
Station 2  Laminated instructions “Part A & B” and laminated info-cards “Textiles” & “Polyester” (Supplemental Material Appendix B 
 Piece of fleece blanket + label  
 Liquid soap  
 Teaspoon  

Note: If possible, the use of plastic equipment is preferable to other materials.

a

A possible source of supply: https://labsuppliesusa.com/.

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