EPA TRI Facility · Computers and Electronic Products
Johanson Dielectrics Inc
Sylmar, CA
- Total releases
- 5.1K lbs
- Chemicals reported
- 2
- Latest report
- 2019
- Primary pathway
- Off-site Transfers
OFFSITE Form-R mix
Johanson Dielectrics Inc: how the 5.1K lbs splits
5.1K lbs across all reported pathways
- Off-site Transfers 3.6K lbs 70.1%
- Air Releases 1.5K lbs 29.9%
Johanson Dielectrics Inc's 5.1K lbs Form-R total is OFFSITE - off-site transfers is 70.1% of the bar. Next segment: air releases at 29.9%. Leading chemical by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)).
LIGHT volume OFFSITE pathway CLEAN
Johanson Dielectrics Inc is an EPA Toxics Release Inventory reporter in Sylmar, CA, in the computers and electronic products sector. It reported 5.1K lbs of releases across 2 chemicals in 2019. That ranks 11,174 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. Johanson Dielectrics Inc is pounds #499 and chemical-count #605 at 5.1K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Valley Todeco; Isu Petasys Inc.; Sierracin/sylmar Corp; Pharmavite LLC. Similar-scale Computers and Electronic Products peers outside California: Advanced Circuits Minnesota; Parker Hannifin Corp Chomerics Div; Honeywell Aerospace - Minneapolis; Ftg Corp.. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Toluene.
Johanson Dielectrics Inc stamps LIGHT volume with a dominant OFFSITE pathway (70.1% off-site transfers) across 2 chemicals. Cumulative Form-R extract: 5.1K lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Advanced Circuits Minnesota and Parker Hannifin Corp Chomerics Div.
Johanson Dielectrics Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.1K lbs Top 43% higher than 57% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Johanson Dielectrics Inc: Barium compounds (except for barium sulfate (CAS No. 7727-43-7))-led volume
Among the 760 Computers and Electronic Products facilities in this database, Johanson Dielectrics Inc reports the 187th-largest volume, placing it in the top 24.6% of its sector. Its reported volume is concentrated rather than spread: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) alone is 70.1% of the total. Scale peers outside California include Advanced Circuits Minnesota and Parker Hannifin Corp Chomerics Div.
Concentrated means ≥60% of Johanson Dielectrics Inc's pounds in one chemical - here Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) at 70.1%. Not a toxicity score.
Johanson Dielectrics Inc Form-R facts
Compare this facility
See how Johanson Dielectrics Inc stacks up against nearby facilities and the typical reporter.
5.3× more than the comparison
50% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Johanson Dielectrics Inc releases toxic chemicals into the environment. Total: 5.1K lbs.
Chemical Releases
Aggregated across all reporting years (2019–2019). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 3.6K lbs | - |
| Toluene | 1.5K lbs | - |
Johanson Dielectrics Inc · OFFSITE-pathway site
Nearest TRI Facilities to Johanson Dielectrics Inc
Closest other reporters in California - including Valley Todeco, Isu Petasys Inc., Sierracin/sylmar Corp, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Computers and Electronic Products Facilities
Other Computers and Electronic Products facilities with similar total release volumes (±80%), outside California - e.g. Advanced Circuits Minnesota, Parker Hannifin Corp Chomerics Div, Honeywell Aerospace - Minneapolis.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Johanson Dielectrics Inc on cumulative reported pounds (5.1K lbs) and distinct chemical count (2). Release-pound peers include International Sterilization Laboratory, Sika Mbcc US LLC - Streetsboro, Advanced Circuits Minnesota. Chemical-count peers include Idi Caribe Inc, Suiza Dairy Corp, Edwards Lifesciences Technology Sarl. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- International Sterilization Laboratory Groveland, FL · Other 5.1K lbs reported
- Sika Mbcc US LLC - Streetsboro Streetsboro, OH · Nonmetallic Mineral Product 5.1K lbs reported
- Advanced Circuits Minnesota Maple Grove, MN · Computers and Electronic Products 5.1K lbs reported
- Concrete Supply Elkhorn, NE · Nonmetallic Mineral Product 5.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Toluene; nearby reporters include Valley Todeco. Johanson Dielectrics Inc stamps LIGHT volume · OFFSITE pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Johanson Dielectrics Inc TRI extract (LIGHT · OFFSITE · CLEAN · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7))) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Johanson Dielectrics Inc totals are self-reported EPCRA §313 estimates for Sylmar, CA, latest year 2019. NAICS 334416 · Computers and Electronic Products. 0.0% of Los Angeles TRI pounds in this extract. Nearest ABS peer: International Sterilization Laboratory (Δ 1 lbs). Pounds ≠ exposure.
Johanson Dielectrics Inc stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Barium compounds (except for barium sulfate (CAS No. 7727-43-7)). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov