Kent’s bin collection crisis could be set to worsen with disgruntled workers balloting to go out on strike. Since March, waste firm Suez has come under constant fire for its inability to handle collections across Swale, Ashford and Maidstone. Residents have told how they have sometimes waited weeks and months for their rubbish to be taken away. Now it has been revealed that on Monday the GMB union is to ballot its members who work for Suez in Swale and Ashford. This is because it says they earn less than the company’s employees in Maidstone who are doing the same work. For example, loaders the…