Schedule 3 SAMPLING FOR CLASSES C, D, E, 3, 4 AND 5 Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch.3, Pt.I, Note (3) rev. in pt. by Private Water Supplies 1998 reg.8(3) Sch.3, Pt.I, Note (6) substituted by Private Water Supplies 1998 reg.7(b) Sch.3, Pt.I, Column (3) rev. in pt. by Private Water Supplies 1998 reg.7(a) 1FREQUENCY IIPARAMETERS ← Schedule 2 Schedule 3 Schedule 4 →