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Toxics Use Reduction Institute · Surface Solutions Laboratory
 
Toxics Use Reduction Institute




Surface Solutions Laboratory

Trial Report



Trial Number 431

(Client Number 153, Project Number 1)

Trial Purpose: Laboratory evaluations of alternative cleaning products

Date Run: 11/13/07

Experiment Procedure:
Several "do-it-yourself" home formulations were evaluated for performance on several substrates and typical soils for all purpose cleaning.

All Purpose Cleaner Formulations:

Home Formulation 1 - Dissolve 4 tbls baking soda in 1 qt warm water for a general cleaner

Home Formulation 2 - Vinegar and salt, mix together into a paste for a good surface cleaner (another version is mix salt and water together with a little vinegar)

Home Formulation 3 - Liquid castile soap (small amount) and baking soda/borax with lost of water for floors walls or counters

Home Formulation 4 - Liquid castile soap (medium amount) and baking soda/borax for tubs, sinks, cat boxes or anything that can be well rinsed.

Home Formulation 5 - Baking soda and water, make a paste for all purpose cleaner

Home Formulation 6 - 3 tbsp vinegar, ? tsp washing soda, ? tsp vegetable based liquid soap (Murphy?s), 2 cups hot 2cups hot water and put in spray bottle or bucket. Apply and wipe clean. General cleaner

Home Formulation 7 - 2 tbsp borax, ? cup lemon juice, 2 cups hot water. Combine in spray bottle and use as all purpose

Home Formulation 8 -Fill a spray bottle with ? part vinegar and ? part water. Add some lemon juice for scent

Home Formulation 9 - Mix liquid soap with 1 tbs of baking soda. Add lemon juice and water.


Cleaning : Spray cleaner on the coupons
30 secs Manual Wipe
Cleaning at 68 F

Contaminant: Huckers Soil
Substrate: 2"x 4"x 0.06"
Ceramic Coupons
Painted Steel Coupons
Plastic Coupons

Trial Results
Product                            Average (%)
Home Formulation 1              
Ceramic                              26.91
Painted Steel                       137.41
Plastic                              48.58

Home  Formulation 2
Ceramic                             -27.84
Painted Steel                      -109.96
Plastic                            -349.84

Home Formulation 3    
Ceramic                             -33.81
Painted Steel                       -24.61
Plastic                             -22.16

Home Formulation 4    
Ceramic                             -58.05  
Painted Steel                      -192.68
Plastic                            -330.51

Home Formulation 5    
Ceramic                             -34.23
Painted Steel                      -423.13
Plastic                                                      

Home Formulation 6    
Ceramic                              20.99
Painted Steel                        29.37
Plastic                              -7.52

Home Formulation 7                
Ceramic                              34.97
Painted Steel                        75.05
Plastic                             368.76

Home Formulation 8
Ceramic                              18.86
Painted Stee                         45.73
Plastic                              -8.29

Home Formulation 9    
Ceramic                              40.58
Painted Steel                        55.35
Plastic                              92.13


Success Rating
Lab evaluation based on vendor data.

Conclusion
Many of the mixtures left behind a lot of residue when using the standard laboratory procedures for commercial cleaning products. Modification of the cleaning process may improve the effectiveness of these "do-it-yourself" formulations.

Home formulation 1 and 9 showed some signs of effectiveness, removing over 60% of the all purpose soil.