Lee RichardsonAcoustic & Air EngineerTel:0151 933 6186Email:lee@soundtesting.co.ukCertificate in Competence Environmental Noise MeasurementLee is an experienced acoustic and air tightness testing engineer.Lee specialises in:Approved Document E 2003 Pre- Completion Sound Insulation Testing in Accordance with ISO140:1998 Parts 4 & 7Approved Document L1A 2013 Domestic Air Tightness Testing in accordance with ATTMA TSL1 2010