PT_Requirements_Table_Field_4_2022

PARAMETER/METHOD PT
REQUIRED TECHNOLOGY/ METHODOLOGY
CHLORINE, FREE AVAILABLE
SM 4500 Cl D-2011 Yes Amperometric Titration
SM 4500 Cl F-2011 Yes DPD-FAS
SM 4500 Cl G-2011 Yes Spectrophotometric DPD
CHLORINE, TOTAL RESIDUALHach 10025 ULR Yes Amperometric Titration
SM 4500 Cl D-2011 Yes Amperometric Titration
SM 4500 Cl E-2011 Yes Amperometric Titration
Hach 10014 ULR Yes DPD Colorimetric
Hach 10070 HR Yes DPD Colorimetric
Hach 8167 HR Yes DPD Colorimetric
SM 4500 Cl G-2011 Yes DPD Colorimetric
SM 4500 Cl F-2011 Yes DPD-FAS
Orion Electrode, 1977 Yes Electrode
SM 4500 Cl B-2011 Yes Iodometric Titration
SM 4500 Cl C-2011 Yes Titrimetric
CONDUCTIVITY
EPA 120.1, Rev. 1982 Yes Wheatstone Bridge
SM 2510 B-2011 Yes Wheatstone Bridge
SW-846 9050 A Yes Wheatstone Bridge
DISSOLVED OXYGEN
ASTM D 888-12 B No Membrane Electrode
SM 4500 O G-2016 No Membrane Electrode
ASTM D 888-12 C No LDO
Hach 10360-2011, Rev. 1.2 No LDO
SM 4500 O H-2016 No LDO
In-Situ Method 1002-8-2009 No LDO
SM 4500 O C-2016 No Winkler
pH
NCDA Procedure-Animal Waste Only No Electrode
SM 4500 H+B-2011 Yes Electrode
SW-846 9040 C Yes Electrode
SW-846 9045 D No Electrode
EPA 150.2, 1982 Yes Electrode, Automated
RESIDUE, SETTLEABLE
SM 2540 F-2015 Yes Volumetric
SALINITY
SM 2520 B-2011 No Conductivity
TEMPERATURE
SM 2550 B-2010 No Thermometric
USGS 1975 No Thermometric
TURBIDITY
EPA 180.1, Rev. 2.0, 1993 Yes Nephelometric
SM 2130 B-2011 Yes Nephelometric
Mitchell Method M5271, Rev. 1.0, July, 31, 2008 Yes Laser Nephelometry
Mitchell Method M5271, Rev. 1.0, July, 31, 2008 (Inline)No Laser Nephelometry
VECTOR ATTRACTION REDUCTIONOption 5: Aerobic Processes at Greater than 40°C No
Option 6: Addition of Alkali No
Option 12: Raising the pH of Domestic Septage No
PT Requirements Table for Field Laboratories
Rev. 04/2022
PTs are required for each of your Certified Methods, unless otherwise noted in this table.
PTs for multiple matrices are not required.