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Trial Number 0

Trial Purpose:

To evaluate three supplied cleaning products for DCC-17 removal from plastic and painted steel surfaces.

Date Run:

10/17/2016

Experiment Procedure:

Three cleaners, Catholyte NaOH, Anolyte Hypochlorous, and 409 All Purpose Cleaner, were received “Ready to Use” (RTU). Pre-weighed coupons (three plastic, three painted steel) per cleaner were coated with one half gram of
DCC-17, at room temperature, using a hand held swab. The contaminated coupons were air dried for 24 hours at room temperature and weighed again to determine the amount of soil added the following day.
Three coupons of each substrate were placed in the SLW unit and a KC Wypal reinforced paper towel was attached to the cleaning sled and treated with two sprays of cleaning solution. Each coupon was sprayed twice with the same cleaning solution. The cleaning unit was run for 20 cycles (equivalent of 30 seconds of cleaning). Coupons were dried and final weights were recorded. Efficiencies were calculated and recorded.

Trial Results:

The three supplied products removed over 90% of the DCC-17 on each substrate using the manual wipe unit.

Substrate       % Average
Cleaner Initial wt Final wt % Removed   
Plastic        
Catholyte        
  0.4956 0.0397 91.99 92.31
  0.5056 0.0338 93.31  
  0.5052 0.0423 91.63  
Anolyte        
  0.5109 0.0585 88.55 90.04
  0.5058 0.0501 90.09  
  0.5114 0.0436 91.47  
409 All Purpose Cleaner
  0.4844 0.0317 93.46 93.81
  0.5063 0.0327 93.54  
  0.5128 0.0285 94.44  
Painted Steel        
Catholyte        
  0.4900 0.0320 93.47 93.06
  0.5190 0.0372 92.83  
  0.4812 0.0342 92.89  
Anolyte        
  0.4997 0.0328 93.44 92.99
  0.5107 0.0405 92.07  
  0.5070 0.0331 93.47  
409 All Purpose Cleaner
  0.5042 0.0283 94.39 94.44
  0.5003 0.0368 92.64  
  0.5187 0.0193 96.28  

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

Free Catholyte NaOH, Anolyte Hypochlorous General Purpose, and 409 All Purpose Cleaner efficiently removed DCC-17 on ceramic and chrome using the Manual SLW Unit.

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