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METHODS OF SOLID WASTE TESTING Procedure 1. Weigh the dried sample. 2. Work the sample over with a strong magnet to remove ferrous metal and magnetic iron oxide. 3. Sieve the sample through a 1/4 inch mesh sieve and pick out glass and ceramics. 4. Check the oil level in the pulverizer. The oil cup should be quite full. 5.

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The reactions, therefore, are made in a furnace combining a pan and muffle furnace. This saltcake muffle furnace is so arranged that the pan can be shut off from the muffle by a sliding door (D). The pan (A) and muffle (E) have separate flues for carrying off the hydrochloric acid developed (B, F).