You should have contingency arrangements in place in case of any complications with the sample, to ensure that you’re able to maintain the required testing intervals for the waste stream.
Dylech fod â threfniadau wrth gefn ar waith rhag ofn y bydd unrhyw gymhlethdodau gyda'r sampl, er mwyn sicrhau eich bod yn gallu cynnal yr amseroedd profi gofynnol ar gyfer y ffrwd wastraff.