Team Phone Number: (909) 396-3627

Administrative Assistant: Jenny Loh, (909) 396-3386, lloh@aqmd.gov

TEAM A1
Supervising Engineer: Nicole Idiart, (909) 396-2668, nidiart@aqmd.gov
Senior Engineer: Travis Rohde, (909) 396-2224, trohde@aqmd.gov
Engineering Team:

• Duoduo Bao: (909) 396-2112, dbao@aqmd.gov

• Andrew Dinh: (909) 396-2509, adinh@aqmd.gov

• John Kuo: (909) 396-2501, jkuo@aqmd.gov

• Melissa Mendoza: (909) 396-2739, mmendoza2@aqmd.gov

• Vansh Nagpal: (909) 396-2603, vnagpal@aqmd.gov

TEAM A2
Supervising Engineer: Marilyn Potter, (909) 396-2376, mpotter@aqmd.gov
Senior Engineer: Paul Tran, (909) 396-2227, ptran@aqmd.gov
Engineering Team:

• Tony Liu: (909) 396-3670, tliu@aqmd.gov

• Omar Medina: (909) 396-2565, omedina@aqmd.gov

• Joseph Mills: (909) 396-23571, jmills@aqmd.gov

• Jaime Reynoso: (909) 396-2597, jreynoso@aqmd.gov

• Raymond Yip: (909) 396-3576, ryip@aqmd.gov

TEAM A3
Supervising Engineer: Lizabeth Gomez, (909) 396-3103, lgomez@aqmd.gov
Senior Engineer: Nate Dickel, (909) 396-2413, ndickel@aqmd.gov
Engineering Team:

• Stephen Boggs: (909) 396-2141, sboggs@aqmd.gov

• Chris (Baitong) Chen: (909) 396-2607, bchen@aqmd.gov

• Sebastian Gomez: (909) 396-2667, sgomez@aqmd.gov

• Rene Valencia Rubi: (909) 396-3048, rrubi@aqmd.gov

• Brian Yen: (909) 396-3045, byen@aqmd.gov

Manager: Angela Shibata, (909) 396-2737, ashibata@aqmd.gov

This team is responsible for permitting-related issues for the following:

• Asbestos with Lead (HEPA Vac)

• Composting/Co-Composting (aerated static pile)

• Curbside Waste 

• Green Waste/Chipping/Grinding/Screening

• Hazardous Waste Treatment, Storage or Disposal Facilities

• Landfills

• Landfill Excavation/Rule 1150

• Lead Acid Battery Recycling employing secondary lead smelting (large facilities) 

• Negative Air Machines- Lead/Asbestos

• Portable Lead/Asbestos Abatement

• Portable Remediation

• Publicly Owned Treatment Works (POTWs) or Sewage Treatment Plants

• Refuse Transfer Stations and Material Recovery Facilities

• Refuse-to-Energy/Waste-to-Energy Facilities

• Rule 1133

• Sludge Dewatering- Sewage Treatment

• Sludge Drying- Sewage Treatment

• Soil Excavation- Soil Mitigation Plans/Rule 1166

• Soil Remediation

• Soil Vapor Extraction

• Storage Tank Degassing/Rule 1149

• Superfund Sites

• Water Purveyors