Request Information

Please complete the form below, and an admissions advisor will contact you shortly.


Apply Now

Ready to take the next step?

The application process is easy. We accept and review applications year-round, and qualified applicants can begin classes any month of the year, depending on your program and location.

Click Apply Now to get started on the next exciting chapter of your life!

Apply Now

General Course Information for PMTX 1024X: Decompression Chamber

Course: PMTX 1024X - Decompression Chamber
Textbook: For the correct edition of the textbook assigned to a specific class, go to:

Course Prerequisite(s):
Course Description:

Instructions in operation of a standard off shore deck decompression chamber and performance of duties of outside tender, inside tender, log keeper, and communications operator.

Course Learning Outcomes:
  • Identify and describe the major components of a chamber.
  • Explain the requirement for having a chamber on station or on site for commercial diving operations.
  • Explain the Pressure Vessel for Human Occupancy (PVHO) requirements and the classifications of chambers.
  • Demonstrate the ability to set up and shut down a chamber as an outside tender and operate the chamber using proper rates of ascent and descent, applying safety rules, vent the chamber (+/- 1 foot), analyze inside atmosphere, and to use the air decompression (surface decompression) and treatment tables.
  • Demonstrate the ability to function as an inside tender and to perform a neurological examination to quickly rule out if a diver has any serious symptoms of decompression sickness or arterial gas embolism prior to hyperbaric recompression.
  • Demonstrate the ability to function as the diving supervisor, communications operator, and log keeper during dives and provide proper support to the diver being decompressed in the chamber.
  • Demonstrate the ability to dive in the chamber to 165 feet of seawater, equalizing, and tolerating nitrogen to a sufficient level to be able to function as an inside tender at that depth and assist a diver afflicted with decompression illness.
  • Draw a schematic of a chamber and associated air, oxygen, exhaust, monitoring, electrical, and treatment gas components and explain the use and purpose of each component.
  • Describe the various chamber emergencies, how to prevent their occurrence, and what actions are necessary in the chamber emergency situations.
  • List the maximum limits of oxygen, carbon dioxide, and the ventilation requirements for proper chamber operation.

Students with Disabilities:
Students seeking special accommodations due to a disability must submit an application with supporting documentation, as explained under this subject heading in the General Catalog. Instructors are required to provide such accommodations if they receive written notification from the University.

Writing Across the Curriculum:
Students are expected to demonstrate writing skills in describing, analyzing and evaluating ideas and experiences. Written reports and research papers must follow specific standards regarding citations of an author's work within the text and references at the end of the paper. Students are encouraged to use the services of the University's Writing Center when preparing materials.

The following website provides information on APA, MLA, and other writing and citation styles that may be required for term papers and the like:

National University Library:
National University Library supports academic rigor and student academic success by providing access to scholarly books and journals both electronically and in hard copy. Print materials may be accessed at the Library in San Diego or through document delivery for online and regional students. Librarians are available to provide training, reference assistance, and mentoring at the San Diego Library and virtually for online or regional students. Please take advantage of Library resources:


Contact the Library:

  • (858) 541-7900 (direct line)
  • 1-866-NU ACCESS x7900 (toll free)

Use the Library Training Tools (on the Library Homepage) for additional help

  • Recorded class presentations
  • Tutorials & Guides (APA/MLA, Peer-Review, and more)

Plagiarism is the presentation of someone else's ideas or work as one's own. Students must give credit for any information that is not either the result of original research or common knowledge. If a student borrows ideas or information from another author, he/she must acknowledge the author in the body of the text and on the reference page. Students found plagiarizing are subject to the penalties outlined in the Policies and Procedures section of the University Catalog, which may include a failing grade for the work in question or for the entire course. The following is one of many websites that provide helpful information concerning plagiarism for both students and faculty:

Ethical behavior in the classroom is required of every student. The course will identify ethical policies and practices relevant to course topics.

Students are expected to be competent in using current technology appropriate for this discipline. Such technology may include word processing, spreadsheet, and presentation software. Use of the internet and e-mail may also be required.

Learning to work with and value diversity is essential in every class. Students are expected to exhibit an appreciation for multinational and gender diversity in the classroom.

As a diverse community of learners, students must strive to work together in a setting of civility, tolerance, and respect for each other and for the instructor. Rules of classroom behavior (which apply to online as well as onsite courses) include but are not limited to the following:

  • Conflicting opinions among members of a class are to be respected and responded to in a professional manner.
  • Side conversations or other distracting behaviors are not to be engaged in during lectures, class discussions or presentations
  • There are to be no offensive comments, language, or gestures