ESD-Protec structures all our recommendations on current ESD Control Standards. The key documents are:

BS EN 61340-5-1:2007
Protection of Electronic Devices from Electrostatic Phenomena
General Requirements

PD CLC/TR 61340-5-2:2008
Protection of Electronic Devices from Electrostatic Phenomena
User Guide

For organisations required to comply with USA requirements:

ANSI/ESD S20.20
Protection of Electrical and Electronic Parts, Assemblies and Equipment

BS EN 61340-5-1:2007 and ANSI/ESD S20.20 are similar in scope, but may reference other technical standards that differ in detail.