Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 29989

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20230422114452.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 230422|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: 1. Drinking water -- Philippines -- Standards

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)88200: Nina Elaine C. San Jose, Mary Margarette R. Montalla, Louise Sheanne S. Opeña, Darren Paul S. Pascual, Arthur Vince Ivan P. Racoma, Jose Emilio V. Ricafrante and Leandro M. Zamora 29988, Determining the pH level of water in different water stations in Barangay Concepcion Uno, Marikina City in correspondence to the environment protection agency standards with the use of litmus paper., March 2019