you must keep your records of hazardous liquid waste disposal for at least 3 years following the removal from your site.Should your company require a hazardous waste collection and disposal service, you should get in touch with Neales Waste Management Ltd to find out about their wide range of services, from hazardous paint disposal to hazardous water disposal and much more.hazardous liquid waste disposal service that puts you and your needs first whilst keeping in line with changes to UK environmental legislation.