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Glossary H
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HBTHousehold batteries.HDPESee: High density polyethylene.HEAVY METALSElements, including cadmium, mercury, lead and arsenic which may be found in the waste stream as part of discarded items (batteries, lighting fixtures, colorants, ink).HIGH DENSITY POLYETHYLENE (HDPE)Used to make plastic bottles, milk cartons and other products. It produces toxic fumes when burned. Often referred to as No.2 Plastic.HIGH GRADE PAPER (HG)Relatively valuable types of paper such as computer printout, white ledger and tab cards.HUMUSThe substance which results from decay of plant or animal matter. Biodegradable matters form humus as they decompose.HZWHazardous waste. |
