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Date: March 28, 2022, 8:24 p.m.
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Date: 2022-04-13 15:05:48.000000
How was your request?
Published by Philippine Statistics Authority(PSA) on March 28, 2022.
Requested from PSA by M. Manalungsung at 08:24 PM on
March 28, 2022.
Purpose: Required Material for Environmental Monitoring Laboratory Activity
Date of Coverage: 03/28/2018 - 03/28/2022
Tracking no: #PSA-755336698617