. Verifies and reports suspected malfunctions and variances to supervisor. Performs routine and preventative maintenance... including, but not limited to dissolved oxygen, pH, H2S, percent oxygen, lower explosive limit. Performs facility maintenance...
. Verifies and reports suspected malfunctions and variances to supervisor. Performs routine and preventative maintenance... including, but not limited to dissolved oxygen, pH, H2S, percent oxygen, lower explosive limit. Performs facility maintenance...