
| Prevention Technologies, Inc. |
| Patented Process -- Below-Grade fill upgrade to At-Grade status |

| Below-Grade fill |
| Note the annular space that exposes surface runoff and overfills to the environment. On average, this area is responsible for most of the contamination in a station. |
| Specifications: |

| • Esthetically pleasing • Contain all motor fuels • Installs without shutdown • Average install time: < 2 hrs/fill |
| Step 1: Remove spill bucket cover and prepare all surfaces. Level with fine gravel or course sand. |

| Step 2: Form a bowl that drains back into the spill bucket using PTi Paste. |

| Step 3: Install a raised rim cover that resists surface water runoff. |

| Step 4: Install new fill cover. |
| Contact: Prevention Technologies, Inc. 1120 Abbey Court Libertyville, IL 60048 |
| Chuck Daul Ph: 847-367-6964 email: cmdmu@aol.com |
| Dave Lyzinski Ph: 856-273-9700 email: dlyzinski@verizon.net |