33. Concealing fence: Where a fence is built around the whole or a part of a sanitory landfill site to comply with section 32, it must be at least 2,50 metres in height, be vertical and:(a) be solid and built of painted or stained wood, brick, stone or painted panels made of fiberglass or aluminum; or
(b) be made of painted or stained, vertical or horizontal, wooden planks at least 15 centimetres wide and having a space between them of not more than 2,5 centimetres.