Tag Archives: biosolidslaw

The 90s: US starts land applying sludge, Swizterland stops

In the 1990s, Switzerland banned the re-use of sludge for any agricultural purposes because of the high heavy metal and other persistent pollutants. Austria, and Sweden also banned such re-use. The main concern was that since waste water systems combine industrial and residential waste, the treated material could be harmful to the longterm health of [...]

Diagram of Types of Composting Toilets

Ah, at last I found the simplest illustration of types of composting toilets. It’s from a review of household dry sanitation practices around the globe put out by Toilettes du Monde in France. The full article hasn’t been translated into english yet, but the summary has.

Composting Dog Manure

Some others who browse USDA documents and dream like we do! GreenDog Cleaning Company, a dog and cat waste composter that began operating publicly back in January.  We’re excited to make contact- If the statistics in this Oregonian article are right, there’s room for 200-500 such businesses in Oregon’s 100 ton category.  Fascinatingly, Green Dog [...]

Emergency Sanitation Workshop This Saturday

We'll be doing a 45 minute workshop on Saturday June 2nd @ 2pm at King Elementary School as part of Resilience PDX.org
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