Certifications

The following Certifications demonstrate Westlake's total commitment to providing quality workmanship on all projects regardless of their scope and size.

Technical Standards & Safety Authority

• ASME B31.1 Power Piping
• ASME B31.3 Process Piping
• ASME Sect. VII, Div. I, Repair & Alteration of Pressure Vessels

Canadian Welding Bureau

• CSA Standard W47.1, Division 2

American Society of Mechanical Engineers

• Pressure Piping

International Organization for Standardization

• ISO 9001:2008
• ISO 14001:2004
• OHSAS 18001:2007

European Pressure Equipment Directive

• Quality Assurance Module 97/23/EC 7/2