What is the LEED definition of Hazardous Gas or Chemical?

Hi, Has anyone found a reliable calculator for estimating savings from a solar water heating system that has been submitted and accepted by USGBC reviewers.

Hi! I´m using this link http://www.usgbc.org/rpc to identify the regional priority credits on a project near Oaxaca, Mexico. But if I select BD+C :NC, v2009, Mexico the website send me an error .

I have naturally ventilated apartment units. Apartment's inner most wall distance from the exterior window is 33’. Interior most side of the apartment has toilet and kitchenette.

Dear All we have one chillier with a capacity of 1000 Tons. But it is served the Cooling to two building (LEED & Non LEED) one is LEED Building and another one is non LEED scope In this case

When you are determining the number of showers to provide per FTEs and the total required for example is 3.

Can anyone direct me to a source for compliant 1 1/8" T&G plywood floor sheathing. Also hoping to find compliant mdf base and door casings. Thank You

I am trying to think through an alternative compliance. Please humor me. So I am working on a building where the tenant owns and occupies the entire building.

I was wondering if any project managed to successfully document compliance with this credit in Europe (or outside the US) where CRI certified vacuum cleaners were unavailable. Thanks!

Can the signage be accomplished by marking "Low-Emitting Vehicles Only" on the ground itself of the individual parking spaces?