The Environmental Protection Authority is investigating potential asbestos at Fitzgerald Square Reserve, Sunshine West, with reports traces have been found in mulch within the park.
EPA officers are onsite at the Callaway Boulevard reserve investigating, with samples taken for priority testing.
EPA Victoria said it is continuing to investigate sources of mulch delivered to parks and reserves where possible traces of asbestos have been reported.
It is one of three sites the EPA has released as potential sites on Tuesday, following a number of reports of asbestos in parks in Hobsons Bay and Merri-Bek
Dennis Reserve, Williamstown and Altona Coastal Park are the other two new sites.
Sections of Crofts Reserve, Hosken Reserve and Lynch Reserve, all in Altona North, have already been closed until further notice, while asbestos has been found at Donald McLean Reserve, Spotswood,
EPA Victoria said it is receiving a lot of information and inquiries from community, including related to residential properties, which will be managed through normal business processes.
Updates to community on potential asbestos in parks and reserves will be ongoing as the situation evolves.