Home » Events » BS4142 TONALITY EVALUATION WORKSHOP BS4142 TONALITY EVALUATION WORKSHOP Click on the link for more information. BS4142 Tonality Evaluation Workshop, Environmental Protection Scotland Event Location Municipal Buildings Kildonan Street, Coatbridge, ML5 3LF Event Date 28/06/2017 9:00 am Event End Date 28/06/2017 2:30 pm