1. ASTM E 2396, 2005. Standard Test Method for Saturated Water Permeability of Granular Drainage Media [Falling-Head Method] for Green Roof Systems. ASTM International, West Conshohocken, PA, p. 4.
2. ASTM E 2397, 2005. Standard Practice for Determination of Dead Loads and Live Loads Associated with Green Roof Systems. ASTM International, West Conshohochen, PA, p. 4.
3. ASTM E 2398, 2005. Standard Test Method for Water Capture and Media Retention of Geo composite Drain Layers for Green Roof Systems. ASTM International, West Conshohochen, PA, p. 4.
4. ASTM E 2399, 2005. Standard Test Method for Maximum Media Density for Dead Load Analysis of Green Roof Systems. ASTM International, West Conshohochen, PA, p. 4.
5. ASTM E 2400, 2006. Standard Guide for Selection, Installation, and Maintenance of Plants for Green Roof Systems. ASTM International, West Conshohochen, PA, p. 4.