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If there is surfacing sewage at the septic tank:

If there is surfacing sewage at the septic tank:

Published February 6, 2026
Categorized as Uncategorized

Benching is allowed in Type C soils.

Benching is allowed in Type C soils.

Published February 6, 2026
Categorized as Uncategorized

OSHA excavation standards require an employer to have a comp…

OSHA excavation standards require an employer to have a competent person to classify soil and rock deposits.

Published February 6, 2026
Categorized as Uncategorized

There can be no benching greater than 20 feet total depth un…

There can be no benching greater than 20 feet total depth unless designed and approved by a registered professional engineer.

Published February 6, 2026
Categorized as Uncategorized

A cubic meter of soil weighs:

A cubic meter of soil weighs:

Published February 6, 2026
Categorized as Uncategorized

Decentralized on-site wastewater systems can provide potenti…

Decentralized on-site wastewater systems can provide potential advantages over large centralized systems because:

Published February 6, 2026
Categorized as Uncategorized

___ independently evaluates and certifies the performance of…

___ independently evaluates and certifies the performance of manufactured on-site treatment units with design flows ranging from 400 gpd to 1500 gpd.

Published February 6, 2026
Categorized as Uncategorized

This type of fixed growth ATU has plastic media discs that r…

This type of fixed growth ATU has plastic media discs that rotate and alternate passing the slime growth through wastewater and the air.

Published February 6, 2026
Categorized as Uncategorized

All of the following are true about a drip irrigation system…

All of the following are true about a drip irrigation system EXCEPT:

Published February 6, 2026
Categorized as Uncategorized

A soil cannot be classified as Type A if:

A soil cannot be classified as Type A if:

Published February 6, 2026
Categorized as Uncategorized

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