ALLWASTE INC <ALWS.O> 2ND QTR FEB 28 Shr profit four cts vs loss one cts Net profit 172,000 vs loss 180,000 Revs 4.2 mln vs 883,000 Six months Shr profit nine cts vs loss four cts Net profit 315,000 vs loss 107,000 Revs 7.4 mln vs 1.8 mln Avg shrs 4.4 mln vs 2.6 mln