The following list of test prep resources is provided for the convenience of CWEA certification candidates. The materials listed are published by third parties and CWEA is not responsible for the content of the listed resources. 
If you know of any online resources that might help certificate candidates, please email tcp@cwea.org. Thanks!

Federal Regulations
Code of Federal Regulations Online
Federal Register Online

California Codes and Regulations
California Codes
California EPA
State Water Resources Control Board

Biosolids Land Application Management
Process Design Manual: Land Application of Sewage Sludge and Domestic Septage
A Plain English Guide to the EPA Part 503 Biosolids Rule

Environmental Compliance Inspector

EPA Publications
The National Environmental Publications Information System
National Service Center for Environmental Publications
Office of Enforcement and Compliance Assurance Sector Notebooks
Guidance for Developing Control Authority Enforcement Response Plans


Federal Water Regulations
40 CFR 403 General Pretreatment Regulations
40 CFR 122.6 Storm Water Discharges
Industrial User Permitting Guidance Manual (EPA) [12mb PDF]
40 CFR 433 Metal Finishing Point Source Category

Clean Water Act 
Search the Clean Water Act
Sec. 1317. (FWPA Sec. 307) Toxic and Pretreatment Effluent Standards 
Sec. 1342. (FWPCA Sec. 402)  National Pollutant Discharge Elimination System

Test Prep Flash Cards (based on Larry Whitney's ECI Test Prep Class Presentation)
http://www.flashcardexchange.com/user/view/93280 

USEPA NPDES Training:

• POTWs and the Dental Mercury Discharges
• The Pretreatment 101 Series: Pretreatment Standards - Local Limits Development
• The Pretreatment 101 Series: Overview of Pretreatment Standards
• The Pretreatment 101 Series: Introduction to the National Pretreatment Program
• The Pretreatment 101 Series: POTW's Procedures for Conducting Compliance Monitoring
• The Pretreatment 101 Series: Industrial User Waste Survey Procedures
• Management of Unused Pharmaceuticals and the Proposed Universal Waste Rule
• 2010 Effluent Guidelines Program Plan: Update for State and Regional Pretreatment Coordinators
• The Pretreatment 101 Series: POTW's Procedures for Conducting Compliance Inspections

Collection System Maintenance

Cal Trans Manual of Traffic Controls
Manual of Traffic Controls for Construction and Maintenance Work Zones (1996)
Mastering Cut-Sheets

Mechanical Technology

Books including Audel's Mechanical Trades Pocket Manual
Maintenance Troubleshooting

 Hazardous Energy - Lockout/Tagout

Lockout/Tagout OSHA Regulations
29 CFR 1910.147 The control of hazardous energy (lockout/tagout)
29 CFR 1910.333(b) Working on or near exposed de-energized parts
Control of Hazardous Energy (Lockout/Tagout) OSHA Booklet 

Confined Space Regulations and Safety

Confined Space Regulations Title 8 CCR Section 5156
Confined Space Regulations Title 8 CCR Section 5157
Confined Space Regulations Title 8 CCR Section 5158

Management Topics
These are link to web sites that cover some of the management topics covered in the grade III-IV certification tests:
Delegation
Productivity: Time Wasters
Progressive Discipline
Gender Based Communication [PDF]

Management Books 
The following books cover the majority of management knowledge covered in the grade III-IV certification tests:
Effective Supervisory Practices: Better Results Through Teamwork, fourth edition
Manage for Success
Utility Management

MSDS (Material Safety Data Sheet) 
MSDS Frequently Asked Questions

ISA--2001 - Standards Library for Measurement and Control
Individuals preparing for the test should use the Electrical/Instrumentation Study Guide for their grade level to determine specific standards to be studied. Then, using the Instrumentation, Systems, and Automation Society web site at www.isa.org, research the relevant standards. ISA subscribers can view standards online. For more information, visit the ISA standards subscription web page.

Recommended ISA Standards for Electrical/Instrumentation Grades II and III Study
Minimally, certificate candidates should be familiar with the relevant standards, as outlined by the skill sets given in the study guides, and covered in the following standards:

ANSI/ISA-5.1-1984 (R1992) Instrumentation Symbols and Identification 
ANSI/ISA-5.2-1976 (R1992) Binary Logic Diagrams for Process Operations 
ANSI/ISA-5.4-1991 Instrument Loop Diagrams
ANSI/ISA-5.5-1985 Graphic Symbols for Process Displays
ANSI/ISA-12.12-1994 Nonincendive Electrical Equipment... 
ANSI/ISA-18.1-1979 (R1992) Annunciator Sequences and Specifications 
ANSI/ISA-37.1-1975 (R1982) Electrical Transducer Nomenclature and Terminology
ANSI/ISA-50.1-1982 (R1992) Compatibility of Analog Signals for Electronic Industrial Process Instruments
ANSI/ISA-51.1-1979 (R1993) Process Instrumentation Terminology 

Laboratory Analyst

Periodic Table of Elements
Los Alamos National Laboratory Interactive Periodic Table
ChemicalElements.com

Books
Water and Wastewater Laboratory Techniques

Standard Methods for the Examination of Water and Wastewater - 21st Edition
Standard Methods Online: http://www.standardmethods.org/ 
Used copies may be available at Amazon.com

Handbook for Analytical Quality Control in Water and Wastewater Laboratories
(EPA 600/8-78-019  or  NTIS PB-290329)

Operation of Wastewater Treatment Plants, A Field Study Training Program 
Volume I 
Volume II

CWEA Laboratory Analyst Candidate Handbook

Lectures on Wastewater Analysis and Interpretation

Laboratory Safety Pocket Handbook

EPA Methods

EPA Publication Titles Sorted by Publication Number

Sources of EPA Test Methods

Method 375.4 can be found in:
600-4-79-020 Methods for Chemical Analysis of Water and Wastes

SW-846.3-3A Test Methods for Evaluating Solid Waste: Physical/Chemical Methods; Third Edition; Final Update 3A

Method 1664: Guidelines Establishing Test Procedures for the Analysis of Oil and Grease and Non-Polar Material

Microbiological Methods for Monitoring the Environment: Water and Wastes

Other

Genium Wastewater Laboratory Analyst Certification Exam Practice Questions