AZPES/APP Permit Field Method Training

Fall 2016

Not Approved Methods

Color Wheels

Test Strips

Pool Kits

Approved Methods

Standard Methods – 22nd Edition -4500-Cl B (2011) - Iodometric Method I

-4500-Cl C (2011) - Iodometric Method II

-4500-Cl D (2011) - Amperometric Titration

-4500-Cl E (2011) - LL Amperometric Titr.

-4500-Cl F (2011) - DPD Ferrous Titration

-4500-Cl G (2011) - DPD Colorimetric*

Most other meters by non-Hach companies are also acceptable

Calibration

Most meters (including Hach) are

factory calibrated and do not need

routine calibration.

General Procedure

General Procedure

General Procedure

*

General Procedure

General Procedure

Method Required QC Method Blank (or RB): 1 daily. If at or above Reporting Level, immediate corrective action. [DI water + DPD] LFB: At reporting level (control charts 1020B.13 or ADHS will allow recovery ± 10%). At least monthly (Goal – each run). [ADHS will allow 2° Stds, e.g. Spec√s APP Permits only] Duplicates: 1 for each matrix type daily or with each batch of 20 or fewer samples. Control Charts 1020B. Need Record for Each

NSI Solutions, Inc.

HACH

0.5 ml Pipetman

(0.5 ml of standard added) X (25-30 mg/L Cl2)

10.5 ml (sample cell volume + standard added)

= 1.19-1.43 mg/L

(12 ml sample cell volume + 0.5 ml standard added = 1.00-1.2 mg/L)

Formula for Hach Standard

Questions?