----

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|   | Delaware                                                  |   | 95-3889638                              |   |
|--------|-----------------------------------------------------------|--------|-----------------------------------------|--------|
|   | (State of Incorporation)                                  |   | (I.R.S. Employer Identification Number) |   |
|   |                                                      |   |                                    |   |
|   | Lakepointe Centre I,300 E. Mallard, Suite 300Boise, Idaho |   |   83706                       |   |
|   | (Address of Principal Executive Offices)                  |   | (Zip Code)                              |   |

|   | (208) 331-8400                                                   |   |
|--------|------------------------------------------------------------------|--------|
|   |  (Registrant’s Telephone Number, Including Area Code) |   |

|   | Large accelerated filer  o                                           | Accelerated filer  x    |
|--------|---------------------------------------------------------------------------|-----------------------------------|
|   | Non-accelerated filer  o (Do not check if smaller reporting company) | Smaller Reporting Company  o |

----

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| PART I.              | FINANCIAL INFORMATION |                                                                                            |   |
|----------------------|-----------------------|-------------------------------------------------------------------------------------------------|--------|
|                 |                  |                                                                                            |   |   |
| Item 1.              |                  | Financial Statements (Unaudited)                                                                |   |   |
|                 |                  |                                                                                            |   |   |
|                 |                  | Consolidated Balance Sheets as of June 30, 2010 and December 31, 2009                           |   | 1 |
|                 |                  |                                                                                            |   |   |
|                 |                  | Consolidated Statements of Operations for the three and six months ended June 30, 2010 and 2009 |   | 2 |
|                 |                  |                                                                                            |   |   |
|                 |                  | Consolidated Statements of Cash Flows for the six months ended June 30, 2010 and 2009           |   | 3 |
|                 |                  |                                                                                            |   |   |
|                 |                  | Notes to Consolidated Financial Statements                                                      |   | 4 |
|                 |                  |                                                                                            |   |   |
|                 |                  | Report of Independent Registered Public Accounting Firm                                         |   | 12 |
|                 |                  |                                                                                            |   |   |
| Item 2.              |                  | Management’s Discussion and Analysis of Financial Condition and Results of Operations     |   | 13 |
|                 |                  |                                                                                            |   |   |
| Item 3.              |                  | Quantitative and Qualitative Disclosures About Market Risk                                      |   | 21 |
|                 |                  |                                                                                            |   |   |
| Item 4.              |                  | Controls and Procedures                                                                         |   | 22 |
|                 |                  |                                                                                            |   |   |
| PART II.             | OTHER INFORMATION     |                                                                                            |   |
|                 |                  |                                                                                            |   |   |
| Cautionary Statement |                  | 22                                                                                              |
|                 |                  |                                                                                            |   |   |
| Item 1.              |                  | Legal Proceedings                                                                               |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 1A.             |                  | Risk Factors                                                                                    |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 2.              |                  | Unregistered Sales of Equity Securities and Use of Proceeds                                     |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 3.              |                  | Defaults Upon Senior Securities                                                                 |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 4.              |                  | Removed and Reserved                                                                            |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 5.              |                  | Other Information                                                                               |   | 23 |
|                 |                  |                                                                                            |   |   |
| Item 6.              |                  | Exhibits                                                                                        |   | 24 |
|                 |                  |                                                                                            |   |   |
| SIGNATURE            |                  | 25                                                                                              |

----

|                                                                     |   | June 30, 2010 |    |   | December 31, 2009 |   |
|--------------------------------------------------------------------------|--------|---------------|---------|--------|-------------------|--------|
| Assets                                                                   |   |          |    |   |              |   |
|                                                                     |   |          |    |   |              |   |
| Current Assets:                                                          |   |          |    |   |              |   |
| Cash and cash equivalents                                                |   | $             | 29,256  |   |              | $      | 31,347 |   |
| Short-term investments                                                   |   |          | 2,999   |   |              |   | 1,395 |   |
| Receivables, net                                                         |   |          | 13,541  |   |              |   | 16,302 |   |
| Prepaid expenses and other current assets                                |   |          | 2,204   |   |              |   | 1,752 |   |
| Deferred income taxes                                                    |   |          | 413     |   |              |   | 41 |   |
| Total current assets                                                     |   |          | 48,413  |   |              |   | 50,837 |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Property and equipment, net                                              |   |          | 71,809  |   |              |   | 67,485 |   |
| Restricted cash                                                          |   |          | 4,114   |   |              |   | 4,800 |   |
| Other assets                                                             |   |          | 509     |   |              |   | 540 |   |
| Total assets                                                             |   | $             | 124,845 |   |              | $      | 123,662 |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Liabilities and Stockholders’ Equity                               |   |          |    |   |              |   |   |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Current Liabilities:                                                     |   |          |    |   |              |   |   |   |
| Accounts payable                                                         |   | $             | 4,095   |   |              | $      | 4,264 |   |
| Deferred revenue                                                         |   |          | 1,749   |   |              |   | 1,353 |   |
| Accrued liabilities                                                      |   |          | 4,630   |   |              |   | 4,150 |   |
| Accrued salaries and benefits                                            |   |          | 1,680   |   |              |   | 1,735 |   |
| Income taxes payable                                                     |   |          | 666     |   |              |   | 201 |   |
| Current portion of closure and post-closure obligations                  |   |          | 2,457   |   |              |   | 293 |   |
| Current portion of capital lease obligations                             |   |          | 10      |   |              |   | 11 |   |
| Total current liabilities                                                |   |          | 15,287  |   |              |   | 12,007 |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Long-term closure and post-closure obligations                           |   |          | 12,554  |   |              |   | 13,070 |   |
| Long-term capital lease obligations                                      |   |          | 5       |   |              |   | 10 |   |
| Deferred income taxes                                                    |   |          | 5,336   |   |              |   | 5,077 |   |
| Total liabilities                                                        |   |          | 33,182  |   |              |   | 30,164 |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Contingencies and commitments                                            |   |          |    |   |              |   |   |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Stockholders’ Equity                                               |   |          |    |   |              |   |   |   |
|                                                                     |   |          |    |   |              |   |   |   |
| Common stock $0.01 par value, 50,000 authorized; 18,306 shares issued    |   |          | 183     |   |              |   | 183 |   |
| Additional paid-in capital                                               |   |          | 61,443  |   |              |   | 61,459 |   |
| Retained earnings                                                        |   |          | 32,016  |   |              |   | 34,446 |   |
| Common stock held in treasury, at cost, 119 and 155 shares, respectively |   |          | (1,979  | )      |              |   | (2,590 | ) |
| Total stockholders’ equity                                         |   |          | 91,663  |   |              |   | 93,498 |   |
| Total liabilities and stockholders’ equity                         |   | $             | 124,845 |   |              | $      | 123,662 |   |

----

|                                           |   | Three Months Ended |   |   | Six Months Ended |   |
|------------------------------------------------|--------|--------------------|--------|--------|------------------|--------|
|                                           |   | June 30,           |   |   | June 30,         |   |
|                                           |   | 2010               |   |   | 2009             |   |   | 2010 |   |   | 2009 |   |
| Revenue                                        |   | $                  | 19,832 |   |             | $      | 36,377 |   |   | $ | 39,372 |   |   | $ | 71,342 |   |
| Direct operating costs                         |   |               | 9,725  |   |             |   | 12,002 |   |   |   | 20,010 |   |   |   | 23,247 |   |
| Transportation costs                           |   |               | 2,964  |   |             |   | 15,263 |   |   |   | 5,644 |   |   |   | 29,437 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Gross profit                                   |   |               | 7,143  |   |             |   | 9,112 |   |   |   | 13,718 |   |   |   | 18,658 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Selling, general and administrative expenses   |   |               | 3,343  |   |             |   | 3,396 |   |   |   | 6,910 |   |   |   | 6,969 |   |
| Operating income                               |   |               | 3,800  |   |             |   | 5,716 |   |   |   | 6,808 |   |   |   | 11,689 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Other income (expense):                        |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Interest income                                |   |               | 17     |   |             |   | 37 |   |   |   | 31 |   |   |   | 85 |   |
| Interest expense                               |   |               | -      |   |             |   | - |   |   |   | (1 | ) |   |   | (1 | ) |
| Other                                          |   |               | 49     |   |             |   | 91 |   |   |   | 90 |   |   |   | 124 |   |
| Total other income                             |   |               | 66     |   |             |   | 128 |   |   |   | 120 |   |   |   | 208 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Income before income taxes                     |   |               | 3,866  |   |             |   | 5,844 |   |   |   | 6,928 |   |   |   | 11,897 |   |
| Income taxes                                   |   |               | 1,543  |   |             |   | 2,326 |   |   |   | 2,815 |   |   |   | 4,735 |   |
| Net income                                     |   | $                  | 2,323  |   |             | $      | 3,518 |   |   | $ | 4,113 |   |   | $ | 7,162 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Earnings per share:                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Basic                                          |   | $                  | 0.13   |   |             | $      | 0.19 |   |   | $ | 0.23 |   |   | $ | 0.39 |   |
| Dilutive                                       |   | $                  | 0.13   |   |             | $      | 0.19 |   |   | $ | 0.23 |   |   | $ | 0.39 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Shares used in earnings per share calculation: |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Basic                                          |   |               | 18,166 |   |             |   | 18,145 |   |   |   | 18,165 |   |   |   | 18,144 |   |
| Dilutive                                       |   |               | 18,187 |   |             |   | 18,175 |   |   |   | 18,186 |   |   |   | 18,175 |   |
|                                           |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| Dividends paid per share                       |   | $                  | 0.18   |   |             | $      | 0.18 |   |   | $ | 0.36 |   |   | $ | 0.36 |   |

----

|                                                                                   |   | Six Months Ended June 30, |   |
|----------------------------------------------------------------------------------------|--------|---------------------------|--------|
|                                                                                   |   | 2010                      |   |   | 2009 |   |
| Cash Flows From Operating Activities:                                                  |   |                      |   |   |   |   |
| Net income                                                                             |   | $                         | 4,113  |   |   | $ | 7,162 |   |
| Adjustments to reconcile net income to net cash provided by operating activities: |   |                      |   |   |   |   |   |   |
| Depreciation, amortization and accretion                                               |   |                      | 3,637  |   |   |   | 4,642 |   |
| Deferred income taxes                                                                  |   |                      | (113   | ) |   |   | 935 |   |
| Stock-based compensation expense                                                       |   |                      | 595    |   |   |   | 416 |   |
| Net loss (gain) on sale of property and equipment                                      |   |                      | 51     |   |   |   | (3 | ) |
| Investment premium amortization                                                        |   |                      | 20     |   |   |   | - |   |
| Changes in assets and liabilities:                                                     |   |                      |   |   |   |   |   |   |
| Receivables                                                                            |   |                      | 2,761  |   |   |   | 4,261 |   |
| Income tax receivable                                                                  |   |                      | -      |   |   |   | 2,392 |   |
| Other assets                                                                           |   |                      | (421   | ) |   |   | (336 | ) |
| Accounts payable and accrued liabilities                                               |   |                      | (1,078 | ) |   |   | (1,120 | ) |
| Deferred revenue                                                                       |   |                      | 396    |   |   |   | 556 |   |
| Accrued salaries and benefits                                                          |   |                      | (55    | ) |   |   | (899 | ) |
| Income tax payable                                                                     |   |                      | 465    |   |   |   | - |   |
| Closure and post-closure obligations                                                   |   |                      | (147   | ) |   |   | (288 | ) |
| Other                                                                                  |   |                      | (1     | ) |   |   | (19 | ) |
| Net cash provided by operating activities                                              |   |                      | 10,223 |   |   |   | 17,699 |   |
|                                                                                   |   |                      |   |   |   |   |   |   |
| Cash Flows From Investing Activities:                                                  |   |                      |   |   |   |   |   |   |
| Purchases of short-term investments                                                    |   |                      | (4,998 | ) |   |   | - |   |
| Purchases of property and equipment                                                    |   |                      | (4,879 | ) |   |   | (4,768 | ) |
| Maturities of short-term investments                                                   |   |                      | 3,375  |   |   |   | - |   |
| Restricted cash, net                                                                   |   |                      | 686    |   |   |   | (11 | ) |
| Proceeds from sale of property and equipment                                           |   |                      | 51     |   |   |   | 42 |   |
| Net cash used in investing activities                                                  |   |                      | (5,765 | ) |   |   | (4,737 | ) |
|                                                                                   |   |                      |   |   |   |   |   |   |
| Cash Flows From Financing Activities:                                                  |   |                      |   |   |   |   |   |   |
| Dividends paid                                                                         |   |                      | (6,543 | ) |   |   | (6,534 | ) |
| Common stock repurchases                                                               |   |                      | -      |   |   |   | (2 | ) |
| Other                                                                                  |   |                      | (6     | ) |   |   | (4 | ) |
| Net cash used in financing activities                                                  |   |                      | (6,549 | ) |   |   | (6,540 | ) |
|                                                                                   |   |                      |   |   |   |   |   |   |
| (Decrease) Increase in cash and cash equivalents                                       |   |                      | (2,091 | ) |   |   | 6,422 |   |
|                                                                                   |   |                      |   |   |   |   |   |   |
| Cash and cash equivalents at beginning of period                                       |   |                      | 31,347 |   |   |   | 18,473 |   |
|                                                                                   |   |                      |   |   |   |   |   |   |
| Cash and cash equivalents at end of period                                             |   | $                         | 29,256 |   |   | $ | 24,895 |   |
|                                                                                   |   |                      |   |   |   |   |   |   |
| Supplemental Disclosures                                                               |   |                      |   |   |   |   |   |   |
| Income taxes paid, net of receipts                                                     |   | $                         | 2,462  |   |   | $ | 1,427 |   |
| Interest paid                                                                          |   |                      | -      |   |   |   | 1 |   |
| Non-cash investing and financing activities:                                           |   |                      |   |   |   |   |   |   |
| Capital expenditures in accounts payable                                               |   |                      | 1,956  |   |   |   | 1,729 |   |
| Closure/Post-closure retirement asset                                                  |   |                      | 1,257  |   |   |   | - |   |
| Restricted stock issued from treasury shares                                           |   |                      | 611    |   |   |   | - |   |

----

----

|                            |   | June 30, |   |   | December 31, |   |
|---------------------------------|--------|----------|--------|--------|--------------|--------|
| (in thousands)                  |   | 2010     |   |   | 2009         |   |
|                            |   |     |   |   |         |   |   |   |
| Trade                           |   | $        | 12,463 |   |         | $      | 16,016 |   |
| Unbilled revenue                |   |     | 947    |   |         |   | 337 |   |
| Other                           |   |     | 247    |   |         |   | 70 |   |
|                            |   |     | 13,657 |   |         |   | 16,423 |   |
| Allowance for doubtful accounts |   |     | (116   | )      |         |   | (121 | ) |
|                            |   | $        | 13,541 |   |         | $      | 16,302 |   |

|                                      |   | June 30, |    |   | December 31, |   |
|-------------------------------------------|--------|----------|---------|--------|--------------|--------|
| (in thousands)                            |   | 2010     |    |   | 2009         |   |
|                                      |   |     |    |   |         |   |
| Cell development costs                    |   | $        | 52,208  |   |         | $      | 44,029 |   |
| Land and improvements                     |   |     | 9,773   |   |         |   | 9,773 |   |
| Buildings and improvements                |   |     | 29,228  |   |         |   | 29,151 |   |
| Railcars                                  |   |     | 17,375  |   |         |   | 17,375 |   |
| Vehicles and other equipment              |   |     | 22,309  |   |         |   | 21,824 |   |
| Construction in progress                  |   |     | 6,125   |   |         |   | 7,822 |   |
|                                      |   |     | 137,018 |   |         |   | 129,974 |   |
| Accumulated depreciation and amortization |   |     | (65,209 | )      |         |   | (62,489 | ) |
|                                      |   | $        | 71,809  |   |         | $      | 67,485 |   |

----

----

| (in thousands)        |   | Three Months Ended June 30, 2010 |   |   | Six Months Ended June 30, 2010 |   |
|-----------------------|--------|----------------------------------|--------|--------|--------------------------------|--------|
|                  |   |                             |   |   |                           |   |
| Beginning obligation  |   | $                                | 13,550 |   |                           | $      | 13,363 |   |
| Accretion expense     |   |                             | 269    |   |                           |   | 538 |   |
| Payments              |   |                             | (65    | )      |                           |   | (147 | ) |
| Additions/adjustments |   |                             | 1,257  |   |                           |   | 1,257 |   |
| Ending obligation     |   |                             | 15,011 |   |                           |   | 15,011 |   |
| Less current portion  |   |                             | (2,457 | )      |                           |   | (2,457 | ) |
| Long-term portion     |   | $                                | 12,554 |   |                           | $      | 12,554 |   |

----

| (in thousands, except per share data)                 |   | Three Months Ended June 30, |   |
|-------------------------------------------------------|--------|-----------------------------|--------|
|                                                  |   | 2010                        |   |   | 2009 |   |
|                                                  |   | Basic                       |   |   | Diluted |   |   | Basic |   |   | Diluted |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income                                            |   | $                           | 2,323  |   |   | $ | 2,323 |   |   | $ | 3,518 |   |   | $ | 3,518 |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average common shares outstanding            |   |                        | 18,166 |   |   |   | 18,166 |   |   |   | 18,145 |   |   |   | 18,145 |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dilutive effect of stock options and restricted stock |   |                        |   |   |   |   | 21 |   |   |   |   |   |   |   | 30 |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average shares outstanding                   |   |                        |   |   |   |   | 18,187 |   |   |   |   |   |   |   | 18,175 |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings per share                                    |   | $                           | 0.13   |   |   | $ | 0.13 |   |   | $ | 0.19 |   |   | $ | 0.19 |   |
|                                                  |   |                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Anti-dilutive shares excluded from calculation        |   |                        |   |   |   |   | 344 |   |   |   |   |   |   |   | 283 |   |

| (in thousands, except per share data)                 |   | Six Months Ended June 30, |   |
|-------------------------------------------------------|--------|---------------------------|--------|
|                                                  |   | 2010                      |   |   | 2009 |   |
|                                                  |   | Basic                     |   |   | Diluted |   |   | Basic |   |   | Diluted |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net income                                            |   | $                         | 4,113  |   |   | $ | 4,113 |   |   | $ | 7,162 |   |   | $ | 7,162 |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average common shares outstanding            |   |                      | 18,165 |   |   |   | 18,165 |   |   |   | 18,144 |   |   |   | 18,144 |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dilutive effect of stock options and restricted stock |   |                      |   |   |   |   | 21 |   |   |   |   |   |   |   | 31 |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Weighted average shares outstanding                   |   |                      |   |   |   |   | 18,186 |   |   |   |   |   |   |   | 18,175 |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings per share                                    |   | $                         | 0.23   |   |   | $ | 0.23 |   |   | $ | 0.39 |   |   | $ | 0.39 |   |
|                                                  |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Anti-dilutive shares excluded from calculation        |   |                      |   |   |   |   | 328 |   |   |   |   |   |   |   | 274 |   |

----

| (in thousands)                             |   | Operating Disposal Facilities |   |   | Non-Operating Disposal Facilities |   |   | Corporate |   |   | Total  |   |
|--------------------------------------------|--------|-------------------------------|--------|--------|-----------------------------------|--------|--------|-----------|--------|--------|--------|--------|
| Three months ended June 30, 2010           |   |                          |   |   |                              |   |   |      |   |   |   |   |
| Revenue - Treatment and disposal           |   | $                             | 17,208 |   |                              | $      | 9      |      |   | $      | -      |   |   | $ | 17,217 |   |
| Revenue - Transportation services          |   |                          | 2,615  |   |                              |   | -      |      |   |   | -      |   |   |   | 2,615 |   |
| Total revenue                              |   |                          | 19,823 |   |                              |   | 9      |      |   |   | -      |   |   |   | 19,832 |   |
| Direct operating costs                     |   |                          | 9,668  |   |                              |   | 57     |      |   |   | -      |   |   |   | 9,725 |   |
| Transportation costs                       |   |                          | 2,964  |   |                              |   | -      |      |   |   | -      |   |   |   | 2,964 |   |
| Gross profit                               |   |                          | 7,191  |   |                              |   | (48    | )         |   |   | -      |   |   |   | 7,143 |   |
| Selling, general & administration      |   |                          | 1,226  |   |                              |   | -      |      |   |   | 2,117  |   |   |   | 3,343 |   |
| Operating income (loss)                    |   |                          | 5,965  |   |                              |   | (48    | )         |   |   | (2,117 | )      |   |   | 3,800 |   |
| Interest, net                              |   |                          | 2      |   |                              |   | -      |      |   |   | 15     |   |   |   | 17 |   |
| Other income                               |   |                          | 47     |   |                              |   | 2      |      |   |   | -      |   |   |   | 49 |   |
| Income (loss) before income taxes          |   |                          | 6,014  |   |                              |   | (46    | )         |   |   | (2,102 | )      |   |   | 3,866 |   |
| Income taxes                               |   |                          | -      |   |                              |   | -      |      |   |   | 1,543  |   |   |   | 1,543 |   |
| Net income (loss)                          |   | $                             | 6,014  |   |                              | $      | (46    | )         |   | $      | (3,645 | )      |   | $ | 2,323 |   |
| Depreciation, amortization & accretion |   | $                             | 1,783  |   |                              | $      | 50     |      |   | $      | 12     |   |   | $ | 1,845 |   |
| Capital expenditures                       |   | $                             | 2,765  |   |                              | $      | -      |      |   | $      | -      |   |   | $ | 2,765 |   |
| Total assets                               |   | $                             | 86,032 |   |                              | $      | 38     |      |   | $      | 38,775 |   |   | $ | 124,845 |   |

| (in thousands)                             |   | Operating Disposal Facilities |   |   | Non-Operating Disposal Facilities |   |   | Corporate |   |   | Total  |   |
|--------------------------------------------|--------|-------------------------------|--------|--------|-----------------------------------|--------|--------|-----------|--------|--------|--------|--------|
| Three months ended June 30, 2009           |   |                          |   |   |                              |   |   |      |   |   |   |   |
| Revenue - Treatment and disposal           |   | $                             | 21,320 |   |                              | $      | 3      |      |   | $      | -      |   |   | $ | 21,323 |   |
| Revenue - Transportation services          |   |                          | 15,054 |   |                              |   | -      |      |   |   | -      |   |   |   | 15,054 |   |
| Total revenue                              |   |                          | 36,374 |   |                              |   | 3      |      |   |   | -      |   |   |   | 36,377 |   |
| Transportation costs                       |   |                          | 15,263 |   |                              |   | -      |      |   |   | -      |   |   |   | 15,263 |   |
| Direct operating costs                     |   |                          | 11,947 |   |                              |   | 55     |      |   |   | -      |   |   |   | 12,002 |   |
| Gross profit                               |   |                          | 9,164  |   |                              |   | (52    | )         |   |   | -      |   |   |   | 9,112 |   |
| Selling, general & administration      |   |                          | 1,128  |   |                              |   | -      |      |   |   | 2,268  |   |   |   | 3,396 |   |
| Operating income (loss)                    |   |                          | 8,036  |   |                              |   | (52    | )         |   |   | (2,268 | )      |   |   | 5,716 |   |
| Interest, net                              |   |                          | 1      |   |                              |   | -      |      |   |   | 36     |   |   |   | 37 |   |
| Other income                               |   |                          | 53     |   |                              |   | 38     |      |   |   | -      |   |   |   | 91 |   |
| Income (loss) before income taxes          |   |                          | 8,090  |   |                              |   | (14    | )         |   |   | (2,232 | )      |   |   | 5,844 |   |
| Income taxes                               |   |                          | -      |   |                              |   | -      |      |   |   | 2,326  |   |   |   | 2,326 |   |
| Net income (loss)                          |   | $                             | 8,090  |   |                              | $      | (14    | )         |   | $      | (4,558 | )      |   | $ | 3,518 |   |
| Depreciation, amortization & accretion |   | $                             | 2,290  |   |                              | $      | 56     |      |   | $      | 10     |   |   | $ | 2,356 |   |
| Capital expenditures                       |   | $                             | 2,101  |   |                              | $      | -      |      |   | $      | 6      |   |   | $ | 2,107 |   |
| Total assets                               |   | $                             | 96,746 |   |                              | $      | 51     |      |   | $      | 33,004 |   |   | $ | 129,801 |   |

----

| (in thousands)                             |   | Operating Disposal Facilities |   |   | Non-Operating Disposal Facilities |   |   | Corporate |   |   | Total  |   |
|--------------------------------------------|--------|-------------------------------|--------|--------|-----------------------------------|--------|--------|-----------|--------|--------|--------|--------|
| Six months ended June 30, 2010             |   |                          |   |   |                              |   |   |      |   |   |   |   |
| Revenue - Treatment and disposal           |   | $                             | 34,341 |   |                              | $      | 13     |      |   | $      | -      |   |   | $ | 34,354 |   |
| Revenue - Transportation services          |   |                          | 5,018  |   |                              |   | -      |      |   |   | -      |   |   |   | 5,018 |   |
| Total revenue                              |   |                          | 39,359 |   |                              |   | 13     |      |   |   | -      |   |   |   | 39,372 |   |
| Other direct operating costs               |   |                          | 19,857 |   |                              |   | 153    |      |   |   | -      |   |   |   | 20,010 |   |
| Transportation costs                       |   |                          | 5,644  |   |                              |   | -      |      |   |   | -      |   |   |   | 5,644 |   |
| Gross profit                               |   |                          | 13,858 |   |                              |   | (140   | )         |   |   | -      |   |   |   | 13,718 |   |
| Selling, general & administration      |   |                          | 2,743  |   |                              |   | -      |      |   |   | 4,167  |   |   |   | 6,910 |   |
| Operating income (loss)                    |   |                          | 11,115 |   |                              |   | (140   | )         |   |   | (4,167 | )      |   |   | 6,808 |   |
| Interest income, net                       |   |                          | 2      |   |                              |   | -      |      |   |   | 28     |   |   |   | 30 |   |
| Other income                               |   |                          | 86     |   |                              |   | 4      |      |   |   | -      |   |   |   | 90 |   |
| Income (loss) before tax                   |   |                          | 11,203 |   |                              |   | (136   | )         |   |   | (4,139 | )      |   |   | 6,928 |   |
| Tax expense                                |   |                          | -      |   |                              |   | -      |      |   |   | 2,815  |   |   |   | 2,815 |   |
| Net income (loss)                          |   | $                             | 11,203 |   |                              | $      | (136   | )         |   | $      | (6,954 | )      |   | $ | 4,113 |   |
| Depreciation, amortization & accretion |   | $                             | 3,512  |   |                              | $      | 101    |      |   | $      | 24     |   |   | $ | 3,637 |   |
| Capital expenditures                       |   | $                             | 4,876  |   |                              | $      | -      |      |   | $      | 3      |   |   | $ | 4,879 |   |
| Total assets                               |   | $                             | 86,032 |   |                              | $      | 38     |      |   | $      | 38,775 |   |   | $ | 124,845 |   |

| (in thousands)                             |   | Operating Disposal Facilities |   |   | Non-Operating Disposal Facilities |   |   | Corporate |   |   | Total  |   |
|--------------------------------------------|--------|-------------------------------|--------|--------|-----------------------------------|--------|--------|-----------|--------|--------|--------|--------|
| Six months ended June 30, 2009             |   |                          |   |   |                              |   |   |      |   |   |   |   |
| Revenue - Treatment and disposal           |   | $                             | 42,058 |   |                              | $      | 7      |      |   | $      | -      |   |   | $ | 42,065 |   |
| Revenue - Transportation services          |   |                          | 29,277 |   |                              |   | -      |      |   |   | -      |   |   |   | 29,277 |   |
| Total revenue                              |   |                          | 71,335 |   |                              |   | 7      |      |   |   | -      |   |   |   | 71,342 |   |
| Transportation costs                       |   |                          | 29,437 |   |                              |   | -      |      |   |   | -      |   |   |   | 29,437 |   |
| Other direct operating costs               |   |                          | 23,136 |   |                              |   | 111    |      |   |   | -      |   |   |   | 23,247 |   |
| Gross profit                               |   |                          | 18,762 |   |                              |   | (104   | )         |   |   | -      |   |   |   | 18,658 |   |
| Selling, general & administration      |   |                          | 2,236  |   |                              |   | -      |      |   |   | 4,733  |   |   |   | 6,969 |   |
| Operating income (loss)                    |   |                          | 16,526 |   |                              |   | (104   | )         |   |   | (4,733 | )      |   |   | 11,689 |   |
| Interest income, net                       |   |                          | -      |   |                              |   | -      |      |   |   | 84     |   |   |   | 84 |   |
| Other income                               |   |                          | 86     |   |                              |   | 38     |      |   |   | -      |   |   |   | 124 |   |
| Income (loss) before tax                   |   |                          | 16,612 |   |                              |   | (66    | )         |   |   | (4,649 | )      |   |   | 11,897 |   |
| Tax expense                                |   |                          | -      |   |                              |   | -      |      |   |   | 4,735  |   |   |   | 4,735 |   |
| Net income (loss)                          |   | $                             | 16,612 |   |                              | $      | (66    | )         |   | $      | (9,384 | )      |   | $ | 7,162 |   |
| Depreciation, amortization & accretion |   | $                             | 4,511  |   |                              | $      | 110    |      |   | $      | 21     |   |   | $ | 4,642 |   |
| Capital expenditures                       |   | $                             | 4,757  |   |                              | $      | -      |      |   | $      | 11     |   |   | $ | 4,768 |   |
| Total assets                               |   | $                             | 96,746 |   |                              | $      | 51     |      |   | $      | 33,004 |   |   | $ | 129,801 |   |

----

----

----

|   Customer Category                   |   |   Description                                                                                                                                                                        |   | % of Treatment and Disposal Revenue (1)for the Three Months ended June 30, 2010 |   | % of Treatment and Disposal Revenue (1)for the Three Months ended June 30, 2009 |
|-------------------------------------------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------|
| Broker                                          |   | Companies that collect and aggregate waste from their direct customers, comprised of both Base and Event clean-up business.                                                                    |   | 44%                                                                             |   |                                                                            | 34% |   |
| Government                                      |   | Federal and State government clean-up project waste, comprised of both Base business and Event clean-up business.                                                                              |   | 23%                                                                             |   |                                                                            | 13% |   |
| Other industry                                  |   | Electric utilities, chemical manufacturers, steel mill and other industrial customers not included in other categories, comprised of both recurring Base business and Event clean-up business. |   | 13%                                                                             |   |                                                                            | 9% |   |
| Refinery                                        |   | Petroleum refinery customers, comprised of both Base and Event clean-up business.                                                                                                              |   | 11%                                                                             |   |                                                                            | 11% |   |
| Rate regulated                                  |   | Northwest and Rocky Mountain Compact customers paying rate-regulated disposal fees set by the State of Washington, predominantly Base business.                                                |   | 8%                                                                              |   |                                                                            | 6% |   |
| Private Clean-up                                |   | Private sector clean-up project waste, typically Event business.                                                                                                                               |   | 1%                                                                              |   |                                                                            | 27% |   |
|                                            |   |                                                                                                                                                                                           |   |                                                                            |   |                                                                            |   |   |
| (1) Excludes all transportation service revenue |   |                                                                                                                                                                                           |   |                                                                            |   |                                                                            |

----

| Customer Category                               |   | Description                                                                                                                                                                                    |   | % of Treatment and Disposal Revenue (1)for the Six Months ended June 30, 2010 |   | % of Treatment and Disposal Revenue (1)for the Six Months ended June 30, 2009 |
|-------------------------------------------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------------------------------------------------------------------|--------|-------------------------------------------------------------------------------|
| Broker                                          |   | Companies that collect and aggregate waste from their direct customers, comprised of both Base and Event clean-up business.                                                                    |   | 43%                                                                           |   |                                                                          | 33% |   |
| Government                                      |   | Federal and State government clean-up project waste, comprised of both Base business and Event clean-up business.                                                                              |   | 19%                                                                           |   |                                                                          | 14% |   |
| Other industry                                  |   | Electric utilities, chemical manufacturers, steel mill and other industrial customers not included in other categories, comprised of both recurring Base business and Event clean-up business. |   | 16%                                                                           |   |                                                                          | 10% |   |
| Refinery                                        |   | Petroleum refinery customers, comprised of both Base and Event clean-up business.                                                                                                              |   | 13%                                                                           |   |                                                                          | 12% |   |
| Rate regulated                                  |   | Northwest and Rocky Mountain Compact customers paying rate-regulated disposal fees set by the State of Washington, predominantly Base business.                                                |   | 8%                                                                            |   |                                                                          | 7% |   |
| Private Clean-up                                |   | Private sector clean-up project waste, typically Event business.                                                                                                                               |   | 1%                                                                            |   |                                                                          | 24% |   |
|                                            |   |                                                                                                                                                                                           |   |                                                                          |   |                                                                          |   |   |
| (1) Excludes all transportation service revenue |   |                                                                                                                                                                                           |   |                                                                          |   |                                                                          |

----

----

| (in thousands, except per  |   | Three Months Ended June 30, |   |   | Six Months Ended June 30, |   |
|----------------------------|--------|-----------------------------|--------|--------|---------------------------|--------|
| share amounts)             |   | 2010                        |   |   | %                         |   |   | 2009 |   |   | % |   |   | 2010 |   |   | % |   |   | 2009 |   |   | % |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Revenue                    |   | $                           | 19,832 |   |                      |   | 100.0% |   |   | $ | 36,377 |   |   |   | 100.0% |   |   | $ | 39,372 |   |   |   | 100.0% |   |   | $ | 71,342 |   |   |   | 100.0% |   |
| Direct operating costs     |   |                        | 9,725  |   |                      |   | 49.0% |   |   |   | 12,002 |   |   |   | 33.0% |   |   |   | 20,010 |   |   |   | 50.8% |   |   |   | 23,247 |   |   |   | 32.6% |   |
| Transportation costs       |   |                        | 2,964  |   |                      |   | 14.9% |   |   |   | 15,263 |   |   |   | 42.0% |   |   |   | 5,644 |   |   |   | 14.3% |   |   |   | 29,437 |   |   |   | 41.3% |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Gross profit               |   |                        | 7,143  |   |                      |   | 36.1% |   |   |   | 9,112 |   |   |   | 25.0% |   |   |   | 13,718 |   |   |   | 34.9% |   |   |   | 18,658 |   |   |   | 26.1% |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Selling, general and       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| administrative expenses    |   |                        | 3,343  |   |                      |   | 16.9% |   |   |   | 3,396 |   |   |   | 9.3% |   |   |   | 6,910 |   |   |   | 17.6% |   |   |   | 6,969 |   |   |   | 9.8% |   |
| Operating income           |   |                        | 3,800  |   |                      |   | 19.2% |   |   |   | 5,716 |   |   |   | 15.7% |   |   |   | 6,808 |   |   |   | 17.3% |   |   |   | 11,689 |   |   |   | 16.3% |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Other income (expense):    |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest income            |   |                        | 17     |   |                      |   | 0.1% |   |   |   | 37 |   |   |   | 0.1% |   |   |   | 31 |   |   |   | 0.1% |   |   |   | 85 |   |   |   | 0.1% |   |
| Interest expense           |   |                        | -      |   |                      |   | 0.0% |   |   |   | - |   |   |   | 0.0% |   |   |   | (1 | ) |   |   | 0.0% |   |   |   | (1 | ) |   |   | 0.0% |   |
| Other                      |   |                        | 49     |   |                      |   | 0.2% |   |   |   | 91 |   |   |   | 0.3% |   |   |   | 90 |   |   |   | 0.2% |   |   |   | 124 |   |   |   | 0.2% |   |
| Total other income         |   |                        | 66     |   |                      |   | 0.3% |   |   |   | 128 |   |   |   | 0.4% |   |   |   | 120 |   |   |   | 0.3% |   |   |   | 208 |   |   |   | 0.3% |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income before income taxes |   |                        | 3,866  |   |                      |   | 19.5% |   |   |   | 5,844 |   |   |   | 16.1% |   |   |   | 6,928 |   |   |   | 17.6% |   |   |   | 11,897 |   |   |   | 16.6% |   |
| Income taxes               |   |                        | 1,543  |   |                      |   | 7.8% |   |   |   | 2,326 |   |   |   | 6.4% |   |   |   | 2,815 |   |   |   | 7.1% |   |   |   | 4,735 |   |   |   | 6.6% |   |
| Net income                 |   | $                           | 2,323  |   |                      |   | 11.7% |   |   | $ | 3,518 |   |   |   | 9.7% |   |   | $ | 4,113 |   |   |   | 10.5% |   |   | $ | 7,162 |   |   |   | 10.0% |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings per share:        |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Basic                      |   | $                           | 0.13   |   |                      |   |   |   |   | $ | 0.19 |   |   |   |   |   |   | $ | 0.23 |   |   |   |   |   |   | $ | 0.39 |   |   |   |   |   |
| Dilutive                   |   | $                           | 0.13   |   |                      |   |   |   |   | $ | 0.19 |   |   |   |   |   |   | $ | 0.23 |   |   |   |   |   |   | $ | 0.39 |   |   |   |   |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Shares used in earnings    |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| per share calculation:     |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Basic                      |   |                        | 18,166 |   |                      |   |   |   |   |   | 18,145 |   |   |   |   |   |   |   | 18,165 |   |   |   |   |   |   |   | 18,144 |   |   |   |   |   |
| Dilutive                   |   |                        | 18,187 |   |                      |   |   |   |   |   | 18,175 |   |   |   |   |   |   |   | 18,186 |   |   |   |   |   |   |   | 18,175 |   |   |   |   |   |
|                       |   |                        |   |   |                      |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dividends paid per share   |   | $                           | 0.18   |   |                      |   |   |   |   | $ | 0.18 |   |   |   |   |   |   | $ | 0.36 |   |   |   |   |   |   | $ | 0.36 |   |   |   |   |   |

----

|           |   | Treatment and Disposal Revenue GrowthThree Months Ended June 30, 2010 vs. Three Months Ended June 30, 2009 |
|----------------|--------|-----------------------------------------------------------------------------------------------------------------|
|           |   |                                                                                                            |
| Government     |   | 32%                                                                                                             |
| Other industry |   | 16%                                                                                                             |
| Broker         |   | 3%                                                                                                              |
| Rate regulated |   | 3%                                                                                                              |
| Refinery       |   | -20%                                                                                                            |
| Private        |   | 95%                                                                                                             |

----

----

|           |   | Treatment and Disposal Revenue GrowthSix Months Ended June 30, 2010 vs.Six Months Ended June 30, 2009 |
|----------------|--------|-------------------------------------------------------------------------------------------------------|
|           |   |                                                                                                  |
| Other industry |   | 26%                                                                                                   |
| Government     |   | 12%                                                                                                   |
| Broker         |   | 3%                                                                                                    |
| Rate Regulated |   | 1%                                                                                                    |
| Refinery       |   | -15%                                                                                                  |
| Private        |   | -96%                                                                                                  |

----

----

----

----

----

|   | 10.52  | Second Amendment to the Revolving Credit Agreement between US Ecology, Inc., and Wells Fargo Bank, National Association effective June 15, 2010 (incorporated by reference to Exhibit 10.52 to US Ecology, Inc.’s Current Report on Form 8-K filed on June 17, 2010) |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                       |
|   | 15     | Letter re: Unaudited Interim Financial Statements                                                                                                                                                                                                                          |
|   |   |                                                                                                                                                                                                                                                                       |
|   | 31.1   | Certification of CEO Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                                                                                                                                                                                             |
|   |   |                                                                                                                                                                                                                                                                       |
|   | 31.2   | Certification of CFO Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                                                                                                                                                                                             |
|   |   |                                                                                                                                                                                                                                                                       |
|   | 32     | Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002                                                                                                                                                     |
|   |   |                                                                                                                                                                                                                                                                       |

----

|                           | US Ecology, Inc.                                            |
|--------------------------------|-------------------------------------------------------------|
|                           | (Registrant)                                      |
| Date:  July 28, 2010 | /s/ Jeffrey R. Feeler                                       |
|                           | Jeffrey R. FeelerVice President and Chief Financial Officer |

----