Method of test for petroleum and its products — BS 2000-527: Petroleum products and lubricants — Determination of low-temperature cone penetration of lubricating greases
Standard Guidelines for the Design of Urban Subsurface Drainage (ASCE/EWRI 12-05); Standard Guidelines for the Installation of Urban Subsurface Drainage (ASCE/EWRI 13-05); and Standard Guidelines for the Operation and Maintenance of Urban Subsurface Drainage (ASCE/EWRI 14-05)