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




Surface Solutions Laboratory

Trial Report



Trial Number 11

(Client Number 318, Project Number 1)

Trial Purpose: To test the efficiency of supplied products for pot and pan cleaning.

Date Run: 11/19/10

Experiment Procedure:
Initially pre-washed stainless steel coupons were covered with Hucker soil. The coupons were then heated for two hours at 100?F to represent aging. One group of coupons was used once they cooled to room temperature and the other set was allowed to sit for three days.
For each batch of coupons half of the coupons were immersed in a 0.13% of each of the three cleaners for 10 minutes. All of the coupons were then cleaned using the Gardner Straight-line washability unit, weighed, and the results recorded.

Trial Results
The first group of coupons used the same day as the heat aging resulted in a lower cleaning effectiveness than those cleaned after three days of
sitting at room temperature. For the first group (used same day) the Pot and Pan cleaner was better than the Blue Ocean and Dawn. For the coupons aged
3 days, the Blue Ocean was the top performing product followed by Pot and Pan and Dawn. In both groups of coupons, the extended soak time improved
cleaning efficiency.
Cleaned Same Day
Cleaner Initial    Dirty      Final       Ave
Alpha Chemical Yes Pre-Soak                            
        1.6307      0.7342    54.98       65.73
        0.2667      0.0603    77.39       
        0.1615      0.0568    64.83       
Alpha Chemical No Pre-Soak                            
        0.2413      0.1359    43.68       40.02
        0.2263      0.0869    61.60       
        0.8519      0.7261    14.77       
Dawn Yes Pre-Soak                            
        1.5646      0.9157    41.47       47.72
        1.2171      0.6418    47.27       
        0.8815      0.4017    54.43       
Dawn No Pre-Soak                            
        1.1047      0.7090    35.82       26.80
        0.8914      0.7480    16.09       
        0.7334      0.5244    28.50       
Blue Ocean Yes Pre- Soak                            
        1.0411      0.6541    37.17       52.07
        0.6173      0.2437    60.52       
        0.4492      0.1864    58.50       
Blue Ocean No Pre-Soak                            
        2.0583      1.7522    14.87       14.20
        1.7330      1.4957    13.69       
        0.8950      0.7694    14.03

Cleaned 3 days later
Cleaner Initial    Dirty      Final        Ave
Alpha Chemical Yes Pre-Soak                                
        0.3877     0.0331      91.46        84.74
        0.5344     0.0437      91.82        
        0.9772     0.2840      70.94        
Alpha Chemical No Pre-Soak                                
        0.9750     0.5610      42.46        67.09
        0.2046     0.0176      91.40        
        0.1479     0.0482      67.41        
Dawn Yes Pre-Soak                                
        1.0819     0.0171      98.42        82.64
        0.4082     0.0168      95.88        
        1.0169     0.4718      53.60        
Dawn No Pre-Soak                                
        0.4296     0.2400      44.13        65.84
        0.5299     0.2217      58.16        
        0.2570     0.0123      95.21        
Blue Ocean Yes Pre-Soak                                
        0.2448     0.0036      98.53        98.50
        0.1429     0.0024      98.32        
        0.2514     0.0034      98.65        
Blue Ocean No Pre-Soak                                
        0.5195     0.0159      96.94        96.19
        0.3555     0.0119      96.65        
        0.1731     0.0087      94.97


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

Conclusion
The supplied products performed as well as or better than the industry supplied product for pot and pan cleaning.