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Trial Number 0

Trial Purpose:

To evaluate three supplied products for bathroom cleaning following GS 37 requirements

Date Run:

07/11/2008

Experiment Procedure:

Two of the three supplied cleaning product were diluted to vendor recommended concentrations for bathroom cleaning using DI water (32:1 and 128:1%). The third product was prepared following the specified procedure - oxygenating cold tap water for about 10 minutes.

Preweighed fiberglass, ceramic, chrome and composite floor tiles coupons were coated with SSL Soil 1 (Bathroom soap scum: Vaseline Dry Skin Lotion 21.4%, Dial Clean Rinsing Body Wash 14.3%, Market Basket Shampoo & Conditioner (Pert)28.6%, Soft Soap Natural Liquid hand soap 21.4%, Coast Deodorant bar soap 7.2% and Water 7.1%) using a handheld 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 Kimberly-Clark Wypal reinforced paper towel 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 cleaning unit was run for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, efficiencies were calculated and recorded.

Trial Results:

All three products were successful in removing the bathroom soil from the four substrates. Overall efficiencies were above 90%. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned.

Substrate Cleaner Initial wt Final wt % Removed
ceramic Lotus 0.3671 0.1062 71.07
    0.2130 0.0394 81.50
    0.2677 0.0200 92.53
ceramic Pleascent 0.2195 0.0100 95.44
    0.1925 0.0017 99.12
    0.2007 0.0006 99.70
ceramic Compass 0.0947 0.0062 93.45
    0.2045 0.0187 90.86
    0.1395 0.0064 95.41
chrome Lotus 0.1733 0.0066 96.19
    0.1910 0.0050 97.38
    0.1328 0.0055 95.86
chrome Pleascent 0.2044 0.0295 85.57
    0.2579 0.0465 81.97
    0.3367 0.1314 60.97
chrome Compass 0.2222 0.0096 95.68
    0.1072 0.0127 88.15
    0.2188 0.0071 96.76
fiberglass Lotus 0.2320 0.0187 91.94
    0.1619 0.0009 99.44
    0.2008 0.0071 96.46
fiberglass Pleascent 0.1435 0.0139 90.31
    0.3196 0.0075 97.65
    0.2581 0.0280 89.15
fiberglass Compass 0.2619 0.0012 99.54
    0.2055 0.0028 98.64
    0.2147 0.0186 91.34
composit tile Lotus 0.1480 0.0014 99.05
    0.1094 0.0094 91.41
    0.0829 0.0042 94.93
composit tile Pleascent 0.0856 0.0005 99.42
    0.1355 0.0123 90.92
    0.2460 0.0248 89.92
composit tile Compass 0.1578 0.0116 92.65
    0.1556 0.0157 89.91
    0.1232 0.0110 91.07

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The Lotus Sanitizing System was found to be effective for removing the bathroom soil from various surfaces using manual wiping. It compared well to the two other cleaning products supplied for testing.

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