Once you have successfully completed a Web-based course for a specific technology, you may issue permits for that technology without DEP review. Regulations Alternate Guidance 321 Drip Irrigation System (6 credits) Revised to reflect the September 20, 2003 DEP Alternate Guidance document 328 Steep Slope Elevated Sand Mound (slopes 12 to 15 percent, 3 to 30 min/in) (1 credit) Revised to reflect the September 20, 2003 DEP Alternate Guidance document 332 Alternate Peat Based System Options (5 credits) Revised to reflect the September 20, 2003 DEP Alternate Guidance document 334 Free Access Gravity Sand Filter System Option (1.5 credits) Revised to reflect the September 20, 2003 DEP Alternate Guidance document 335 CO-OP RFS III Filter (4 credits) 341 Alternate At-Grade Absorption Area (4 credits) 342 Shallow Limiting Zone At-Grade Absorption Area (4 credits) Web-based courses may only be completed once for credit. They cannot be repeated in a new training cycle for additional credits. Once you have successfully completed a Web-based course, you may view the course as often as you would like; however, the quizzes will not appear and you will not receive any more credits for the course.