|   | 1. |   | I                have reviewed this quarterly report on Form 10-Q of OP-TECH Environmental                Services, Inc.; |
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|   | 2. |   | Based                on my knowledge, this quarterly report does not contain any untrue                statement of a material fact or omit to state a material fact necessary                to                make the statements made, in light of the circumstances under which                such                statements were made, not misleading with respect to the period covered                by                this quarterly report; |
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|   | 3. |   | Based                on my knowledge, the financial statements, and other financial information                included in this quarterly report, fairly present in all material                respects                the financial condition, results of operations and cash flows of                the                registrant as of, and for, the periods presented in this quarterly                report; |
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|   | 4.     |   | The                registrant’s other certifying officer and I are responsible for                establishing and maintaining disclosure controls and procedures (as                defined in Exchange Act Rules 13a-15e and 15d-15e) and internal control                over financial reporting (as defined in Exchange Act Rules 13a – 15f and                15d – 15f) for the registrant and have:                                                                             |
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|   |   |   | a)                designed such disclosure controls and procedures, or caused such                disclosure controls and procedures to be designed under our supervision,                to ensure that material information relating to the registrant, including                its consolidated subsidiaries, is made known to us by others within                those                entities, particularly during the period in which this report is                being                prepared; |

|   |   |   | b)                designed such internal control over financial reporting, or caused                such                internal control over financial reporting to be designed under our                supervision, to provide reasonable assurance regarding the reliability                of                financial reporting and the preparation of financial statements for                external purposes in accordance with generally accepted accounting                principles; |
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|   |   |   | c)                evaluated the effectiveness of the registrant’s disclosure controls and                procedures and presented in this report our conclusions about the                effectiveness of the disclosure controls and procedures, as of the                end of                the period covered by this report based on such evaluation;                andd)                disclosed in this report any change in the registrant’s internal control                over financial reporting that occurred during the registrant’s most recent                fiscal quarter that has materially affected, or is reasonable likely                to                materially affect, the registrant’s internal control over financial                reporting; and |
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|   | 5. |   | The                registrant’s other certifying officer and I have disclosed, based on our                most recent evaluation of internal control over financial reporting,                to                the registrant’s auditors and the audit committee of the registrant’s                board of directors (or persons performing the equivalent                functions): |
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|   |   |   | a)                all significant deficiencies and material weaknesses in the design                or                operation of internal controls over financial reporting which are                reasonably likely to adversely affect the registrant’s ability to record,                process, summarize and report financial information;                and |
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|   |   |   | b)                any fraud, whether or not material, that involves management or other                employees who have a significant role in the registrant’s internal                controls over financial reporting. |
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|                                     | OP-TECH                Environmental Services,                Inc. |                                                 |
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|                                     |                                                               |                                                 |   |
| Date:                  November 14, 2007 | By:                                                                | /s/ Jon                S. Verbeck               |   |
|                                     |                                                               | Jon                S. Verbeck                        |   |
|                                     |                                                               | Chief                Financial Officer and Treasurer |   |
|                                     |                                                               |                                                 |   |