1601

This document describes determination method of pH value for pesticides. This document applies to the determination of pH value for pesticide (technical concentrate) and preparation.

This Standard specifies technical requirements, test methods, inspection rules, marks and user's manual for ultrasonic surgical equipment for osseous tissue. This Standard is applicable to ultrasonic surgical equipment for osseous tissue. This Standard is not applicable to ultrasonic tooth cleaning device for removing plaque and stones on teeth.

This study evaluates these two newly developed USEPA coliphage methods, which are under consideration for approval as required by the Groundwater Rule (GWR). Method 1601 is a qualitative two-step presence-absence procedure and Method 1602 is a quantitative single agar layer (SAL) procedure. This evaluation reports on their assessment of these methods for testing the vulnerability of groundwater for viral/fecal contamination as used for routine monitoring.