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What is the minimum percentage of fiberglass required in fiberglass tanks?

  1. 20%

  2. 30%

  3. 40%

  4. 50%

The correct answer is: 30%

The minimum percentage of fiberglass required in fiberglass tanks is often set to ensure the structural integrity and durability of the tank. A minimum of 30% fiberglass content in these tanks helps provide the necessary strength and resilience to withstand various environmental conditions and the stresses associated with containing wastewater. This specification is critical because fiberglass offers benefits such as corrosion resistance and lightweight characteristics, which are essential for septic systems to function reliably over time. Sufficient fiberglass content contributes to the tank's ability to remain intact without succumbing to wear or breakage, ultimately ensuring effective treatment and containment of effluent.