Drinking-Water Guidelines - Chapter 19: Small, individual ...

The Decision. 10.1 In accordance with section 188 of the Building Act 2004 I hereby determine that asphalt roofing shingles used as part of a potable water supply system, if verified as set in paragraphs 9.4.2 to 9.4.5 of this determination, comply with Clause G12 of the Building Code in respect of chemicals or particulates leaching from the ... ................
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