Isoprene

Carcinogen

CAS Number: 78-79-5

Release Summary

Total Releases
163.8K lbs
Number of Facilities
64
Carcinogen
Yes
Persistent Bioaccumulative Toxicant
No

Top Releasing Facilities

Facilities with the largest reported releases of Isoprene. Up to 50 shown.

# Facility Release (lbs)
1 GOODYEAR TIRE & RUBBER CO 76.1K lbs
2 LYONDELL CHEMICAL CO 16.2K lbs
3 TSRC SPECIALTY MATERIALS LLC 15.2K lbs
4 VP RACING FUELS INC. 8.7K lbs
5 EXXONMOBIL BATON ROUGE CHEMICAL PLANT (PART) 6.1K lbs
6 EXXONMOBIL BAYTOWN CHEMICAL PLANT (PART) 5.6K lbs
7 DIXIE CHEMICAL CO INC 5.3K lbs
8 WESTLAKE VINYLS INC 3.8K lbs
9 CONTITECH USA LLC 3.3K lbs
10 FORMOSA PLASTICS CORP TEXAS 3.0K lbs
11 KRATON CORP 2.6K lbs
12 SHELL CHEMICAL LP 2.1K lbs
13 TARGA DOWNSTREAM LLC - GALENA PARK MARINE TERMINAL 2.0K lbs
14 CHEVRON PRODUCTS CO - SALT LAKE REFINERY 1.7K lbs
15 CHEVRON PHILLIPS CHEMICAL CO LP 1.6K lbs
16 KURARAY AMERICA INC SEPTON BU 1.4K lbs
17 PLACID REFINING CO LLC 1.0K lbs
18 EXXONMOBIL CHEMICAL CO BAYTOWN OLEFINS PLANT (PART) 832 lbs
19 EQUISTAR CHEMICALS LP 768 lbs
20 SYSTECH ENVIRONMENTAL CORP 755 lbs
21 LINDAU CHEMICALS INC. 718 lbs
22 OCCIDENTAL CHEMICAL CORP 479 lbs
23 HF SINCLAIR PUGET SOUND REFINING LLC 454 lbs
24 SYNTHOMER ADHESIVE TEHCNOLOGIES EASTOFLEX & EAST 391 lbs
25 EXXONMOBIL REFINING & SUPPLY BAYTOWN REFINERY (PART) 380 lbs
26 BP PRODUCTS NA WHITING BUSINESS UNIT 356 lbs
27 MONUMENT CHEMICAL PORT ARTHUR LLC 271 lbs
28 EQUISTAR CHEMICALS CLINTON PLANT 210 lbs
29 NOVA CHEMICALS OLEFINS LLC 174 lbs
30 CHEVRON PRODUCTS CO PASCAGOULA REFINERY 120 lbs
31 EXXONMOBIL OIL BEAUMONT REFINERY (PART) 72 lbs
32 THE DOW CHEMICAL CO - LOUISIANA OPERATIONS 61 lbs
33 EXXONMOBIL OIL CORP CHEMICAL PLANT (PART) 48 lbs
34 DOW SABINE RIVER OPERATIONS 46 lbs
35 PHILLIPS 66 TERMINAL 43 lbs
36 CHEVRON PRODUCTS CO RICHMOND REFINERY 24 lbs
37 SHELL NORCO CHEMICAL PLANT 20 lbs
38 INVISTA HOUSTON 12 lbs
39 TORRANCE REFINING CO LLC 11 lbs
40 TESORO LOS ANGELES REFINERY-CARSON OPERATIONS 11 lbs
41 PAR MONTANA BILLINGS REFINERY 10 lbs
42 MOTIVA - PORT ARTHUR CHEMICALS 10 lbs
43 CHEVRON PRODUCTS CO. DIV OF CHEVRON USA INC. 6 lbs
44 GULF COAST GROWTH VENTURES LLC 6 lbs
45 CENTRAL PLAINS CEMENT CO 5 lbs
46 PHILLIPS 66 LOS ANGELES REFINERY WILMINGTON PLANT 3 lbs
47 OHIO REFINING CO 2 lbs
48 HF SINCLAIR PARCO REFINING LLC 1 lbs
49 CYMETECH CORP. 1 lbs
50 MARTINEZ REFINING CO LLC 1 lbs

Health Information

Carcinogen Classification: This chemical is classified as a known or suspected carcinogen by the EPA under the Toxic Release Inventory program. This classification is based on evaluations by agencies including the International Agency for Research on Cancer (IARC), the National Toxicology Program (NTP), and the EPA itself.

Data comes from the EPA Toxic Release Inventory (TRI) program. Release quantities are self-reported by facilities and may represent estimates. The total shown aggregates reports across all facilities and reporting years.

PlainEnviro presents this data without advocacy framing. The presence of a chemical in the TRI database does not by itself indicate a health risk at current exposure levels. For health-related questions about specific chemical exposures, consult your local health agency or a toxicologist.