Matt Hyndman shows the device that measures the number of active bacteria present on swab samples.
Rachal Pinkerton/The Sun Tribune
January 21, 2020
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January 21, 2020 7:41 p.m.
Wahluke School District to improve cleaning practice
MATTAWA —Wahluke School District Maintenance Director Matt Hyndman has new cleaning techniques that he is hoping to put into practice in the district.