Class 040
Treatment & Processing of Materials Services
Treatment of untreated sewage sludge; treated sewage sludge; treatment of any other organic materials co-treated with sewage sludge to produce biosolids.
Class 042
Computer & Software Services & Scientific Services
Certification services for the treatment of sewage sludge; certification services for any other organic materials co-treated with sewage sludge to produce biosolids, certification services for transport, certification services for storage and certification services for application to land of biosolids; authentication of certified biosolids.
Class 044
Medical, Beauty & Agricultural Services
Application to land of biosolids.
