2019 Washington Code 70.79.280

2009 Washington Code 70.79.280 – Inspection during construction

2013 Washington Code 70.79.280 – Inspection during construction

2014 Washington Code 70.79.280 – Inspection during construction

2015 Washington Code 70.79.280 – Inspection during construction

2016 Washington Code 70.79.280 – Inspection during construction

2018 Washington Code 70.79.280 – Inspection during construction