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<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

Difference between HQi / ITE / ITT Oil Tanks

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

Introduction to Off Mains Drainage

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

WWT Systems Usage Guide

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

CTS – The Oil Tank Pack

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

Guide to Effluent Disposal

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

Guide to Wales Oil Tank Regulations

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

Harlequin – What is a Bunded Oil Tank?

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

OFTEC – Keeping Warm this Winter Guide

<img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img data-src='https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg' class='lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img src="https://harlequinplastics.co.uk/newsite/wp-content/themes/websiteni-joints/assets/images/src/pdf-icon.svg"/>

WasteWater Treatment for Self-Build Projects