If you would like further information about biological hazards including:
More information about working on sites contaminated with sewage;
More information about Leptospirosis / rat urine;
General information about biological safety and infections at work;
try these links:
[Working with sewage The Health hazards, hand card ](http://www.hse.gov.uk/pubns/indg197.pdf)
[Working with Sewage The Health Hazards: A Guide For Employers ](http://www.hse.gov.uk/pubns/indg198.pdf)
[Leptospirosis – are you at risk?](http://www.hse.gov.uk/pubns/indg84.htm)
[HSE Infections at Work website](http://www.hse.gov.uk/biosafety/infection.htm)
Trade associations and other industry bodies can also be a good source of information about how to control exposure to biological hazards in your work.