Sampling Area within Region lll

Niugan, Angat, Bulacan	fresh water	marine
Iba, Zambales
Pulilan Bulacan
Bacolor, Pampanga
Science City of Muñoz, Nueva Ecija

Sampling Area within Region lV-A

Batangas
Laguna
Quezon
Rizal
Cavite
Lucena