# Environmental Technology (ET) — Spring 2027 schedule

Rio Hondo College · 8 sections · Seat counts as of 2026-10-18

Source: https://prod-ssb9-registration.riohondo.edu:8443/StudentRegistrationSsb/ssb/term/termSelection?mode=search

Term dates: Jan 23, 2027 – May 20, 2027 (from the sections' dates) · 7 sessions, with dates: /c/rio-hondo-college/schedule/spring-2027/index.json · Academic calendar: https://www.riohondo.edu/academics/calendar/

Course descriptions: 2026-2027 catalog, /c/rio-hondo-college/catalog/2026-2027/courses/et.md

## ET 200 — Hazardous Materials Management Applications (4 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 32650 | 01 | In person, CH Weekly Census | Class: Wed 7:00–10:10pm, Science 121; Lab: Sat 7:00–10:10am, Science 124 | Jan 23–May 20 | Romeo Ricarte | 24 of 24 open |

## ET 230 — Safety and Emergency Response (4 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 38831 | 0 | In person, CH Weekly Census | Class: Wed 7:05–10:15pm, Science 136; Lab: Sat 11:20am–2:30pm, Science 136 | Jan 23–May 20 | Peter Esparza | 24 of 24 open |

## ET 240 — Solid Waste Management Applications (4 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 38963 | 0 | In person, CH Weekly Census | Class: Tue 7:05–10:15pm, Science 121; Lab: Thu 7:05–10:15pm, Science 124 | Jan 23–May 20 | To Be Assigned | 24 of 24 open |

## ET 272 — Advanced Wastewater Treatment (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 30438 | 01 | In person, CH Weekly Census | Mon 7:10–10:20pm, Science 136 | Jan 23–May 20 | Scott Partridge | 30 of 30 open |

## ET 274 — Industrial Waste Water Treatment (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 37897 | 0 | In person, CH Weekly Census | Sat 8:00–11:10am, Science 124 | Jan 23–May 20 | Peter Esparza | 30 of 30 open |

## ET 275 — Water Treatment (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 35510 | 01 | In person, CH Weekly Census | Mon/Tue 5:30–6:55pm, Science 203 | Jan 23–May 20 | Scott Partridge | 30 of 30 open |

## ET 290 — Work Experience Education/Internship for Environmental Technology-Related Fields (1-4 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 31543 | 01 | Online anytime, Positive Attendance | Online, no set time | Jan 23–May 20 | Peter Esparza | 24 of 24 open |
| 36437 | 02 | Online anytime, Positive Attendance | Online, no set time | Jan 23–May 20 | Peter Esparza | 8 of 8 open |