Post-industrial material diverted from the waste stream during a manufacturing process. Excluded from this category is re-utilization of materials such as scrap that are generated in a process and capable of being reclaimed within the same process. https://healthymaterialslab.org/tool-guides/hml-resources

A siliceous or siliceous and aluminous material blended with portland cement that chemically reacts with calcium hydroxide to form compounds possessing cementitious properties.

An approach to risk management that advocates measures to prevent harm when serious or irreversible damage is possible but scientific consensus is lacking. https://healthymaterialslab.org/tool-guides/hml-resources

Concrete cast in a form and cured before it is lifted into its intended position.

A cement made from volcanic rock that contains considerable silica.

A vent that includes a fan to speed up air flow. Often installed on roofs.

The rate at which work is performed, expressed in watts or horsepower.

Traditional procedure used on building projects to describe by name products, equipment or systems to be used.

- Amount payable on a loan.

. Any pesticide substance that, for a reasonable length of time, will prevent the action of wood-destroying fungi, insect borers, and similar destructive agents when the wood has been properly coated or impregnated with it. Normally an arsenic derivative. Chromated Copper Arsenate (CCA) is an example.

Lumber that has chemicals forced into it under pressure to slow decay and provide resistance to fire.

Lumber that has been saturated with a preservative.

- The original amount of the loan, the capital.

The first, base coat of paint when a paint job consists of two or more coats. A first coating formulated to seal raw surfaces and holding succeeding finish coats. A base coat in a paint system. It is applied before the finish coats.

A finished good composed of homogeneous materials that are in turn made up of chemical substances. A product may be made of one or more homogeneous materials. A product may also be organized into parts, which are in turn made up of one or more homogenous materials. A product may also function as part of another product. https://healthymaterialslab.org/tool-guides/hml-resources

Authoritative chemical hazard list to be referenced when screening substances for hazard warnings, as compiled by the Health Product Declaration Collaborative. Selections are primarily based on criteria developed for the GreenScreen® for Safer Chemicals. https://healthymaterialslab.org/tool-guides/hml-resources

A device mounted on a hot water heater or boiler which is designed to release any high steam pressure in the tank to prevent tank explosions.

Concrete that has been pre-tensioned or post-tensioned.

A legal boundary of a land parcel.

A method used to place a concrete member under tension by pouring concrete over steel tendons that are under tension before the concrete is poured.