Hach DR2400 - Page 4

Table of Contents
Table of Contents
Page 4
5940022TOC.fm
3.4.2 Method Detection Limit (MDL)................................................................................................................42
3.4.3 Precision .......................................................................................................................................................44
3.4.4 Estimating Precision ...................................................................................................................................44
3.4.5 Sensitivity.....................................................................................................................................................44
3.5 Preparing a Calibration Curve............................................................................................................................45
3.5.1 %T Versus Concentration Calibration......................................................................................................45
3.5.2 Absorbance Versus Concentration Calibration.......................................................................................47
3.6 Adapting Procedures to Other Spectrophotometers.......................................................................................47
3.6.1 Selecting the Best Wavelength...................................................................................................................47
3.7 Comparison of International Drinking Water Guidelines..............................................................................52
3.7.1 Definitions of USEPA Approved and Accepted.....................................................................................53
Section 4 Waste Management and Safety ....................................................................................55
4.1 Waste Minimization .............................................................................................................................................55
4.2 Regulatory Overview...........................................................................................................................................55
4.3 Hazardous Waste..................................................................................................................................................55
4.3.1 Definition .....................................................................................................................................................55
4.3.2 Sample Codes ..............................................................................................................................................56
4.3.3 How to Determine if Waste is Hazardous...............................................................................................56
4.3.4 Disposal ........................................................................................................................................................57
4.4 Management of Specific Wastes .........................................................................................................................58
4.5 Resources ...............................................................................................................................................................58
4.6 Safety ......................................................................................................................................................................59
4.6.1 Read Labels Carefully ................................................................................................................................59
4.6.2 Protective Equipment.................................................................................................................................59
4.6.3 First Aid Equipment and Supplies ...........................................................................................................60
4.6.4 General Safety Rules...................................................................................................................................60
4.7 Material Safety Data Sheets.................................................................................................................................60