| Symbol | Company Name | Weighted Alpha | Last | Change | 1 Month | 3 Month | 6 Month | 9 Month | 12 Month |
|---|---|---|---|---|---|---|---|---|---|
| WCN | WASTE CONNECTIO | +8.00 | 34.40 | -0.47 | 5.88% | -4.07% | 9.21% | 12.79% | 5.62% |
| CLHB | CLEAN HARBORS I | +7.30 | 63.52 | +0.96 | 9.78% | -19.19% | -4.11% | 11.42% | 17.76% |
| LDR | LANDAUR INC | +4.10 | 54.42 | +4.71 | -4.79% | -19.85% | -2.14% | 13.66% | 13.92% |
| HCCI | HERITAGE-CRYSTA | -7.50 | 12.99 | -0.18 | 25.87% | -8.78% | -9.48% | n/a% | n/a% |
| MPR | MET PRO CP | -8.00 | 10.04 | -0.01 | 0.80% | -35.33% | -22.59% | -4.43% | 9.41% |
| AW | ALLIED WASTE IN | -11.70 | 10.36 | -0.57 | 8.37% | -23.54% | -18.17% | -0.58% | -7.75% |
| WMI | WASTE MGMT INC | -14.50 | 30.03 | -1.17 | 0.84% | -13.48% | -17.09% | -8.17% | -8.78% |
| CCC | CALGON CARBON C | -20.20 | 12.49 | -0.36 | -25.12% | -36.18% | -31.34% | -29.59% | 5.94% |
| FLDR | FLANDERS CORPOR | -24.00 | 5.50 | +0.14 | -10.13% | -21.99% | -19.59% | -14.86% | -15.90% |
| EEI | ECOLOGY ENVIRON | -25.00 | 8.70 | +0.19 | 4.82% | -20.18% | -18.84% | -24.54% | -12.03% |
| TTEK | TETRA TECH INC. | -31.30 | 17.08 | +0.10 | -14.08% | -40.11% | -30.93% | -4.95% | -23.85% |
| RSG | REPUBLIC SVCS I | -32.40 | 23.37 | -1.33 | 5.08% | -28.90% | -27.89% | -23.75% | -27.67% |
| IDSA | INDUSTRIAL SERV | -32.90 | 7.61 | +0.34 | -16.56% | -59.30% | -33.65% | -7.76% | 2.56% |
| ECOL | AMERICAN ECOLOG | -33.70 | 17.78 | +0.12 | -26.62% | -43.95% | -34.99% | -22.90% | -19.44% |
| WSII | WASTE SERVICES | -35.20 | 6.21 | +0.25 | -0.96% | -25.27% | -18.18% | -32.43% | -28.29% |
| PNR | PENTAIR INC | -38.50 | 23.28 | unch | -14.79% | -37.13% | -37.01% | -29.75% | -27.43% |
| WCAA | WCA WASTE CORPO | -38.60 | 4.74 | +0.21 | 4.41% | -6.88% | -13.50% | -34.08% | -21.00% |
| DCI | DONALDSON CO IN | -38.60 | 29.23 | +0.50 | -14.43% | -37.00% | -37.41% | -29.26% | -25.60% |
| PLL | PALL CP | -44.10 | 24.18 | -0.25 | -9.98% | -40.92% | -36.75% | -37.34% | -32.70% |
| HW | HEADWATERS INC | -53.60 | 6.90 | +0.11 | -30.72% | -56.96% | -40.10% | -36.99% | -43.95% |
| NLC | NALCO HOLDING C | -54.90 | 11.99 | -0.40 | -14.48% | -45.91% | -51.48% | -40.12% | -45.97% |
| PESI | PERMA-FIX ENVIR | -56.70 | 1.17 | -0.01 | -20.95% | -53.75% | -50.21% | -37.77% | -56.02% |
| PCYO | PURE CYCLE CORP | -57.40 | 2.60 | +0.25 | -51.40% | -56.88% | -57.38% | -62.15% | -68.29% |
| VSR | VERSAR INC | -60.50 | 2.64 | -0.13 | -17.24% | -48.24% | -52.52% | -55.70% | -62.34% |
| ARCI | APPLIANCE RECYC | -65.10 | 2.56 | +0.20 | -17.15% | -56.24% | -60.19% | -56.31% | -63.89% |
| ADES | ADA-ES INC. | -66.00 | 3.80 | +0.03 | -39.20% | -55.29% | -63.95% | -61.81% | -50.65% |
| FTEK | FUEL TECH INC. | -66.40 | 8.10 | -0.36 | -36.42% | -55.86% | -66.31% | -54.49% | -64.87% |
| AWX | AVALON HLDGS CP | -68.00 | 1.50 | -0.14 | n/a% | -62.50% | -66.89% | -72.83% | -78.87% |
| SMS | SIMS GROUP LTD | -68.20 | 9.37 | -0.76 | -27.64% | -64.35% | -72.93% | n/a% | n/a% |
| CWST | CASELLA WASTE S | -69.20 | 4.51 | -0.42 | -45.20% | -63.66% | -57.09% | -55.91% | -70.09% |
| ES | ENERGYSOLUTIONS | -71.80 | 3.91 | -0.05 | -15.73% | -78.46% | -82.46% | -83.55% | -82.74% |
| PMFG | PEERLESS MANUFA | -71.90 | 8.01 | +0.16 | -28.03% | -72.38% | -61.50% | -47.95% | -58.39% |
| MEA | METALICO INC | -78.60 | 1.65 | -0.10 | -52.86% | -85.75% | -89.96% | -85.40% | -83.71% |

| WASTE MGMT INC | -10.70 | 31.20 | |
| ALLIED WASTE IN | -9.30 | 10.93 | |
| REPUBLIC SVCS I | -29.50 | 24.70 | |
| NALCO HOLDING C | -54.00 | 12.39 | |
| ENERGYSOLUTIONS | -72.20 | 3.96 |
