Class 4 septic tanks and Class 5 holding tanks must conform to which standard?

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Multiple Choice

Class 4 septic tanks and Class 5 holding tanks must conform to which standard?

Explanation:
The main idea here is knowing which standard governs prefabricated tanks used in on-site wastewater systems in Canada. Class 4 septic tanks and Class 5 holding tanks are designed to meet CAN/CSA-B66, the Canadian standard for prefabricated septic tanks and holding tanks. This standard specifies the requirements for how these tanks are built and tested, covering essential aspects like watertightness, structural strength, materials compatibility, and secure connections. It also addresses practical features such as access openings, lids, venting, and how the tank interfaces with other system components, ensuring safe burial, durability, and compatibility with installation practices. Other options don’t apply to these tanks in this context: NFPA 58 is about propane storage, ISO 9001 is a quality management system standard and not a product performance standard, and ASTM D471 is a general test method not specific to septic tank construction.

The main idea here is knowing which standard governs prefabricated tanks used in on-site wastewater systems in Canada. Class 4 septic tanks and Class 5 holding tanks are designed to meet CAN/CSA-B66, the Canadian standard for prefabricated septic tanks and holding tanks. This standard specifies the requirements for how these tanks are built and tested, covering essential aspects like watertightness, structural strength, materials compatibility, and secure connections. It also addresses practical features such as access openings, lids, venting, and how the tank interfaces with other system components, ensuring safe burial, durability, and compatibility with installation practices.

Other options don’t apply to these tanks in this context: NFPA 58 is about propane storage, ISO 9001 is a quality management system standard and not a product performance standard, and ASTM D471 is a general test method not specific to septic tank construction.

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