Washington Suburban Sanitary Commission (MD)
Journeyman Plumber

Apply for the License

Washington Suburban Sanitary Commission (MD) 14501 Sweitzer Lane Laurel, MD 20707 Phone: (301) 206-8588 Contractor Licensing Web Site

Exam Administrator

PSI Licensure: Certification 3210 E. Tropicana Las Vegas, NV 89121 Phone: (800) 733-9267 Candidate Information Web Page

Exam Type

OPEN  BOOK

Exam Content

Subject Areas # of Questions Administration 3 WSSC Water Meters 2 Trade Knowledge 14 Safety 2 Definitions 3 Math 2 Materials 3 Pipe Protection and Support 2 Structural Integrity 2 Tests and Inspections 2 Plumbing Fixtures and Appliances 5 Water Supply and Distribution 5 Backflow 2 Sanitary Drainage 6 Sanitary Vents 6 Traps and Interceptors 1 Total Number of Test Questions: 60 Time Allowed (hours): 2.0 Passing percentage: 70%

Books Allowed in the Exam

1. WSSC Plumbing and Fuel Gas Code, 2007 Edition. 2. International Residential Code for One- and Two-Family Dwellings, 2003, ICC. 3. International Building Code, 2003, ICC.

Books NOT Allowed in the Exam

1. Fundamentals of Gas Appliances, International Approval Services. (Formerly AGA)   2. Fundamentals of Gas Appliance Venting and Ventilation, International Approval Services. (Formerly AGA)   3. Fundamentals of Gas Combustion, International Approval Services. (Formerly AGA)   4. ASPE Data Book: Fundamentals of Plumbing Design, American Society of Plumbing Engineers.   5. Heating, Ventilation and Air Conditioning Library (3 Volumes), Theodore Audel.   6. Standard Plumbing Engineering Design, Louis S. Nielsen.   7. NFPA 54: National Fuel Gas Code, 2006, NFPA.   8. Commentary versions of each International Code Book, 2006, ICC.

We currently do not offer study materials for this trade based on demand and the cost prohibitive nature of the reference books.

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 Nov-2009