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




Surface Solutions Laboratory

Trial Report



Trial Number 0

(Client Number 275, Project Number 1)

Trial Purpose: To evaluate two products for bathroom cleaning

Date Run: 01/30/07

Experiment Procedure:
The supplied cleaning product were used at the recommended concentration (2%, 2% and 1.5%). Nine preweighed chrome, ceramic and fiberglass, coupons were coated with SSL Soil 1 (Bathroom soap scum: All-in-one shampoo and conditioner 28.6%, Dry skin lotion 21.4%, Liquid hand soap 21.4%, Liquid body wash 14.3%, Deodorant bar soap 7.2% and water 7.1%.) using a hand held swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.

Three coupons were placed into a Gardner Straight Line Washability unit. A Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times with the same cleaning solution. The solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies were calculated and recorded.

Trial Results
The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

#120 Peroxide Multi-surface Cleaner
Substrate         Initial wt       Final wt       % Removed
Chrome             0.3344         0.0381         88.61
                   0.3720         0.0539         85.51
                   0.4720         0.1368         71.02
Ceramic            0.3658         0.0578         84.20
                   0.5414         0.0290         94.64
                   0.3241         0.1041         67.88
Fiberglass         0.3721         0.0218         94.14
                   0.3262         0.0108         96.69
                   0.5024         0.0838         83.32

#108 Spray & Wipe Cleaner
Chrome             0.4998         0.0902         81.95
                   0.2962         0.0989         66.61
                   0.6143         0.1612         73.76
Ceramic            0.0655         0.0149         77.25
                   0.3481         0.1077         69.06
                   0.5779         0.1499         74.06
Fiberglass         0.2380         0.0038         98.40
                   0.3914         0.0099         97.47
                   0.2337         0.0075         96.79

Blue Jay
Chrome             0.3724         0.0284         92.37
                   0.1401         0.0190         86.44
                   0.2055         0.0259         87.40
Ceramic            0.2552         0.0017         99.33
                   0.2306         0.0268         88.38
                   0.2613         0.0147         94.37
Fiberglass         0.7378         0.0405         94.51
                   0.2967         0.0285         90.39
                   0.4634         0.0634         86.32


Success Rating
A follow up test, usually based on company input.

Conclusion
Product #120 Peroxide Multisurface cleane and Blue Jay met the 85% efficiency level as specified in the Mass EPP protocol. The other product #108 Spray & Wipe did not meet this cut off level while tested at the specified concentration.