EPA TRI Facility · Machinery

Repligen Corp

Marlborough, MA

Total releases
75.6K lbs
Chemicals reported
1
Latest report
2023
Primary pathway
Off-site Transfers

OFFSITE Form-R mix

Repligen Corp: how the 103.5K lbs splits

103.5K lbs across all reported pathways

  • Off-site Transfers 101.3K lbs 97.9%
  • Air Releases 2.1K lbs 2.1%

Repligen Corp's 103.5K lbs Form-R total is OFFSITE - off-site transfers is 97.9% of the bar. Next segment: air releases at 2.1%. Leading chemical by pounds: N-Methyl-2-pyrrolidone.

LIGHT volume OFFSITE pathway CLEAN

Repligen Corp is an EPA Toxics Release Inventory reporter in Marlborough, MA, in the machinery sector. It reported 27.8K lbs of releases across 1 chemical in 2024, and 75.6K lbs in total across its 2021-2024 reporting years. That ranks 5,192 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Massachusetts's 373 reporting TRI sites, pounds #1 is not chemical-count #1. Repligen Corp is pounds #49 and chemical-count #258 at 75.6K lbs. Solutia Inc leads reported pounds (2.5M lbs) at 9 chemicals (chemical-count #10). Astro Chemicals Inc leads chemical count at 17 chemicals (5.9K lbs, pounds #154). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Safety-Kleen Systems Marlborough (mrb); Sartorius Stedim 450 Dlb; Dupont Electronic Materials International LLC; Dav-Tech Plating Inc.. Similar-scale Machinery peers outside Massachusetts: Aaon Inc; Agco Corp. Jackson Operations; John Deere Seeding & Cylinder; John Deere Power Products. Largest disclosed chemicals by pounds: N-Methyl-2-pyrrolidone.

View saved records
Verify at EPA TRI →

Repligen Corp stamps LIGHT volume with a dominant OFFSITE pathway (97.9% off-site transfers) across 1 chemical. Cumulative Form-R extract: 75.6K lbs (2021–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Aaon Inc and Agco Corp. Jackson Operations.

#5,192 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Repligen Corp vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

76K lbs Top 20% higher than 80% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Repligen Corp: N-Methyl-2-pyrrolidone-led volume

Among the 1,186 Machinery facilities in this database, Repligen Corp reports the 69th-largest volume, placing it in the top 5.8% of its sector. Its reported volume is concentrated rather than spread: N-Methyl-2-pyrrolidone alone is 100% of the total. Scale peers outside Massachusetts include Aaon Inc and Agco Corp. Jackson Operations.

Concentrated means ≥60% of Repligen Corp's pounds in one chemical - here N-Methyl-2-pyrrolidone at 100%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Repligen Corp's total reported releases fell from 41.9 thousand lb in 2022 to 30.5 thousand lb in 2023, based on EPA TRI filings.
  • Repligen Corp's air releases fell from 1.2 thousand lb in 2022 to 545 lb in 2023, based on EPA TRI filings.
  • Repligen Corp's off-site transfers fell from 40.8 thousand lb in 2022 to 29.9 thousand lb in 2023, based on EPA TRI filings.

Repligen Corp Form-R facts

Sector
Machinery
LIGHT volume
75.6K lbs
OFFSITE pathway
Off-site Transfers
CLEAN chem count
1
Lead chemical
N-Methyl-2-pyrrolidone

Compare this facility

See how Repligen Corp stacks up against nearby facilities and the typical reporter.

Total reported releases
Repligen Corp
75.6K lbs
Safety-Kleen Systems Marlborough (mrb)
116 lbs

650.4× more than the comparison

Chemicals reported
Repligen Corp
1
Safety-Kleen Systems Marlborough (mrb)
4

75% 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 Repligen Corp releases toxic chemicals into the environment. Total: 103.5K lbs.

Off-site Transfers 101.3K lbs (97.9%)
Air Releases 2.1K lbs (2.1%)
View 4-Year Emissions Trend →

Emissions Trend Summary

From 2021 to 2024, total releases increased by 752% (3.3K lbs to 27.8K lbs).

Repligen Corp: annual Form-R pounds

LIGHT site · OFFSITE pathway · TRI years 2021–2024

million lbs

What this shows Repligen Corp year-over-year reported totals (increased by 752% from 2021 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: N-Methyl-2-pyrrolidone.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2021 3.3K lbs 1
2022 41.9K lbs 1
2023 30.5K lbs 1
2024 27.8K lbs 1

Chemical Releases

Aggregated across all reporting years (2021–2024). Sorted by total release volume.

Chemical Total Flags
N-Methyl-2-pyrrolidone 103.5K lbs -

Repligen Corp · OFFSITE-pathway site

Marlborough, MA
42.3503, -71.5808
County TRI context
Middlesex · 1.6% of county pounds
EPA Facility ID
0175WRPLGN111LC

Compare beyond Massachusetts

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Repligen Corp on cumulative reported pounds (75.6K lbs) and distinct chemical count (1). Release-pound peers include Neville Chemical Co, Industrial Highway, Montana Sulphur & Chemical Co. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 N-Methyl-2-pyrrolidone; nearby reporters include Safety-Kleen Systems Marlborough (mrb). Repligen Corp 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 Repligen Corp TRI extract (LIGHT · OFFSITE · CLEAN · lead N-Methyl-2-pyrrolidone) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Repligen Corp totals are self-reported EPCRA §313 estimates for Marlborough, MA, latest year 2023. Form-R rows span 2021–2024 (4 years). NAICS 333998 · Machinery. 1.6% of Middlesex TRI pounds in this extract. Nearest ABS peer: Calpine Fore River Energy Center LLC (Δ 22 lbs). Pounds ≠ exposure.

Repligen Corp stamps LIGHT volume · OFFSITE pathway · CLEAN · lead N-Methyl-2-pyrrolidone. 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