Regulation

Hawaii restricts movement of compost, mulch

The state of Hawaii has established an interim rule that restricts the movement of decomposing plant material—like compost, wood or tree chips, mulch, potting soil, palm plants and other landscaping products that may harbor the…

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Mushroom compost

Mushroom composter busted for stormwater discharges

The San Francisco Bay Regional Water Quality Control Board has ordered Monterey Mushrooms Inc. to pay $911,800 for discharging polluted stormwater into Fisher Creek, harming water quality and threatening aquatic life, the board said. The…