Spills

At approximately 2000 pdt on may 29, two chemicals were accidentally mixed aboard the vessel, M/V marine…

M/V Marine Chemist; Freeport, Tx · Freeport, Tx · NOAAORR-6746

issued
1990-05-30 00:00Z
status
cancelled 1990-06-13 00:00Z
self-cancels
1990-06-13 00:00Z
authority
NOAA OR&R
sea
Gulf of Mexico
position
28.938, -95.307
vessel
M/V MARINE CHEMIST
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

M/V Marine Chemist; Freeport, TX.
Freeport, TX.
1. At approximately 2000 PDT on May 29, two chemicals were accidentally mixed aboard the vessel, M/V Marine Chemist, located at the Dow Chemical dock A-4 near Freeport, Texas. Chemicals: 1,3 Dichloropropene (approx. 5000 gals.) Aminoethylethanolamine (approx. 20,000 gals.) . Concern is that unknown gases may be generated. It is unknown what type of reaction(s) and duration of reaction(s) to be expected. It has been observed that some type of exothermic reaction is occuring periodically with periods of apparent stability. Chemical mixture temperature is estimated at approx. 450 deg. F. Dow is currently conducting tests for reactivity. Area is currently being monitored for gas generation. Coast Guard reports tank is all stainless steel with a double bottom. Incident was created during loading process when hoses were incorrectly connected from tank cars to the ship. Tank is vented and [...]
2. COMMODITY: 1,3 DICHLOROPROPENE, AMINOETHYLETHANOLAMINE.
3. POSITION 28.938N 095.307W. NOAA INCIDENTNEWS 6746: https://incidentnews.noaa.gov/incident/6746

This area · spills & pollution incidents

492 within 180 nm since 1973 · 12 in the last 12 months · 1 in force now

73
75
80
85
90
95
00
05
10
15
20
25
26

Season · when spills & pollution incidents happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

7 spills & pollution incidents in force · see all

Spills

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.