Hazardous waste handler · EPA ID CAD092616184
SIERRA CIRCUITS, INC, DBA SIERRA PROTOEXPRESS, Sunnyvale, CA: hazardous-waste inspections, violations, penalties
- 22Inspections on file
- 11Violations on file
- 0Formal actions
- None on fileFinal penalties
Counts cover every year in the register file; the lists below are the dated events since 2017. The most recent inspection on file is dated October 17, 2025.
Identity
| Name as filed | SIERRA CIRCUITS, INC, DBA SIERRA PROTOEXPRESS |
|---|---|
| EPA ID | CAD092616184 |
| Address | 1108 WEST EVELYN AVE, Sunnyvale, CA 94086 |
| County | Santa Clara |
| Generator status | Large quantity generator |
| Industry | Computer and electronic product manufacturing (NAICS 334412) |
| Most cited rule | Standards for generators (40 CFR 262) |
Cited to rcra_downloads.zip/RCRA_FACILITIES.csv.
Inspections since 2017
| Date | Inspection | By | Violation found |
|---|---|---|---|
| October 17, 2025 | COMPLIANCE EVALUATION INSPECTION | State | No |
| February 15, 2023 | COMPLIANCE EVALUATION INSPECTION | State | No |
| September 8, 2021 | COMPLIANCE EVALUATION INSPECTION | State | Yes |
| September 18, 2019 | COMPLIANCE EVALUATION INSPECTION | State | Yes |
| June 28, 2018 | COMPLIANCE EVALUATION INSPECTION | State | No |
| June 26, 2017 | COMPLIANCE EVALUATION INSPECTION | State | No |
Cited to rcra_downloads.zip/RCRA_EVALUATIONS.csv.
Violations since 2017
| Determined | Rule | What the register says | By | Returned to compliance |
|---|---|---|---|---|
| September 8, 2021 | 262.A | Standards Applicable to Generators of HW: General | State | October 27, 2021 |
| September 18, 2019 | 262.C | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | State | September 23, 2019 |
Cited to rcra_downloads.zip/RCRA_VIOLATIONS.csv.
Enforcement and penalties since 2017
No enforcement action since 2017 is on file for this handler.
Cited to rcra_downloads.zip/RCRA_ENFORCEMENTS.csv.
Hazardous waste codes (EPA Biennial Report)
| Report cycle | Federal waste code | Code family |
|---|---|---|
| 2021 | D002 | Characteristic hazardous waste |
| 2021 | D004 | Characteristic hazardous waste |
| 2021 | D008 | Characteristic hazardous waste |
| 2021 | F003 | Hazardous waste from a non-specific source |
| 2021 | F006 | Hazardous waste from a non-specific source |
| 2021 | F007 | Hazardous waste from a non-specific source |
| 2021 | F009 | Hazardous waste from a non-specific source |
Cited to EPA Envirofacts’ BR_REPORTING (the Biennial Report, filed by large-quantity generators and treatment/storage/disposal facilities every odd year).
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Nearby on the register
- Hazardous waste handlers in Sunnyvale
- Hazardous waste handlers in Santa Clara County
- Hazardous waste handlers in California
Figures from EPA’s RCRAInfo download, loaded September 15, 2026.