If your lab is accredited to ISO 17025 (General requirements for the competence of testing and calibration laboratories), implementing ASTM E70 requires:
Devices to ensure measurements are taken at controlled temperatures, as pH is temperature-dependent. Standard Procedure Summary astm e70 pdf
for laboratory staff to use when performing this test method? pH Measurement Standard Method E70-07 | PDF - Scribd 15 Jun 2015 — If your lab is accredited to ISO 17025
If you have been searching for the term you are likely a laboratory manager, quality assurance specialist, chemical engineer, or student in the fields of analytical chemistry or materials science. ASTM E70 is a critical standard, and finding a legitimate copy of the document is the first step toward compliance. quality assurance specialist