Document ExyVw0BrMD5kNm3ZKLnB3VJvb
SELF EVALUATION QUESTIONNAIRE
Page 1
1 . TESTING ANDEVALUATIONOF REACTIVE
CHEMICAL DATA
a. Has reactivechemical test the following:
data been gathered for
Process materials and mixtures that are normal to the process. Yes [X] No [ ]
Mixtures that may result from abnormal conditions. Yes [.] No [X]
Material of construction throughout the process. Are wrong materials of construction identified? Yes [X] No [ ]
Effects of pH Abnormal temperature Water Abnormal concentrations Flammable dusts Explosive range known Rate of pressure rise data
Yes Yes Yes Yes Yes Yes Yes
[X] [X] [X] [X]
[] [] []
No [ ] No [ 1 No [ ] No [ ] No [ ] No [ ] No [ 1
[ ]NA [ ]NA [ ]NA [ ]NA [X]N A [X]N A [X]NA
Accelerating Rate mixtures that are volumes.
Calorimetry (ARC) test on reactive handled in drum or larger
Yes [ 1 No [ ] NA
Chemical formulations.
Yes [ 1 No [ ] NA
Changes of chemical components in formulation Yes [ ]
No [X]
Significant change in concentrations of components
in formulation
Yes [ ] No [X]
b. Have all systems been evaluated with regard to result
from test data?
[X]NA Yes [ ] No [ ]
Has all reactive chemicals data been reviewed by the Reactive Chemicals Test Group and Process Engineering
as it relates to the process? Yes [X] No [ ]
Has all data been reviewed by Process Engineering as
it relates to pressure relief design?
[X]NA Yes [ ] No [ ]
HO A 027741 OONF TDFNTTA1
Page 2
c . Do all individuals involved with reactive chemical evaluation understand the information on the data sheets and know the limitations for extrapolating operating parameters from the data? Yes [X] No I ]
Is process data current?
[X]NA Yes [ ] No [ ]
Does it thoroughly define hazardous bounds?
[X]NA Yes [ ]
Side reactions?
[X]NA Yes [ ]
No I 1 No [ ]
Does data include total potential energy available?
[X]NA Yes
[] No [ ]
Has test data that was generated before 1/1/82 been
reviewed with the Reactive Chemical Testing Lab?
[X]NA Yes
[] No [ ]
Has irrelevant RC data been discarded? [X]NA Yes [ ] No [ ]
Has reactor pressure relief analysis and design
documentation been completed for vessels
containing reactive materials?
[X]NA Yes
[] No
[]
2 . CONFIRMING ANALYSIS OF RAW MATERIALS
a . Is there a program in place for confirming positive identification of all raw materials? (Includes outside vendor and Dow supplied raw materials and also raw materials being supplied by pipeline). Yes [X] No [ ]
Is a Certificate of Analysis required and received
for those difficult to test?
Yes [ ] No [X]
b. Are inhibitor levels tested on in-coming raw materials that require an inhibitor? [X]NA Yes [ ]
No [ ]
3 . CRITICAL INSTRUMENTS AND DEVICES
a Are critical instruments and devices provided
with redundancy? Yes [ ] No [ ] NA
b. Do you have a program for testing all critical
instruments? Yes [X] No [ ]
c. Are there any critical instruments in the process that
if failed, would not alarm or indicate that
the signal i*
correct?
Y s [ ] No [X] NA
HO A 0?7'7A? CONFTDFNTTAI
Page 3
d. Are alarms activated when critical instruments fail? Yes [X] No [ 1
e . Is the emergency reactive chemicals functionality of
critical instruments documented?
[X]NA Yes [ 1 NO [ ]
f . Has the process been reviewed within the past two years
to determine if adequate monitoring of important
parameters is in place?
Yes [X] No [ 1
g- Is there a policy covering changes in set points
for trips and alarms?
Yes [X] No [ 1
4 . MATERIALS OF CONSTRUCTION
a. Are unwanted reactions that can be caused by material
of construction known by those who can install the
wrong material?
Yes [X]
No [ ]
b. Are there procedures in place to assure that materials
such as lubricants, thread compound, valve packing,
leak repair compounds, etc. are compatible with
the process chemicals?
Yes [X]
No [ ]
c . Are completely halogen-saturated lubricants used
in Chlorine service?
[X]NA Yes [ ] No [ ]
Procedures in place to assure compliance.
d. Does the Tech Center provide information/recommendations
for material of construction?
Yes [X] No [ ]
e . Is information on material of construction sought from
suppliers of rawmaterials?
[X]NA Yes [ ] No [ ]
5 . SIDE REACTIONS
a . Have side and insitu reactions in your process been adequately researched and identified?Yes [X] No [ ]
b. Have conditions for unwanted reactions been identifi d? Yes [X] No [ ]
PH Yes [X] No [ ]
Hater
Yes [X] No [ ]
Contaminants Yes [X] No [ ]H2 evolution Yes [X] No [ ]
00 A 022743 OONFTOFNTTA!
Page 4
( c. Is any part of your process subject to peroxide,
acetylide or azide formation?
Yes I ] Mo [X]
If so, are the sources known and a program in place to
keep this under control?
[X]NA Yes [ ] Mo [ ]
6 . OPERATING DISCIPLINE
a. Is Operating Discipline documentation current and
complete?
Yes [X]
No [ ]
Has it been reviewed by all operating personnel within
the past 12months?
Yes [X]
No [ ]
-Need documentation-No reactive chemical concerns.
b. Are the Start up and Shutdown sequences written and
available foroperating personnel?
Yes [X]
No [ ]
Are reasons for sequences and consequences of deviation
well documented and understood by operating personnel?
[X] NA
Yes [X]
No [ ]
-Need to document.
No reactive chemical concerns.
c . Is the process designed to avoid the activation of larg
amounts of reactantstogether at the
same time?
[X]NA
Yes [ ]
No [ ]
Is the most critical reactant metered in under carefully
monitored rates that are controlled by temperature/
pressure/flowparameters?
[X]NA
Yes [ ]
No [ ]
Is it possible for a critical operating parameter such
as flow to be wrong without the operator knowing?
[X]NA
Yes t ]
No [ ]
Are analytical devices in place to verify critical
parameters?
[X]NA
Yes [ ]
No [ ]
d. Are procedures in place to prevent charging of the wrong materials from look-alike drum? [X]NA Yes [ ] No [ ]
Are look-alike drums stored in different storage areas?
[X]NA
Yes [ ]
No [ ]
. Are conditions that approach out-of-range parameters
alarmed?
[X]NA
Yes [ ]
No [ ]
Is redundant instrumentation and procedures in place to
prevent over-filling vessels?
Yes [ ]
No[X]
-Not hazardous
DO A 000744 GONFTDFNTTAl
Page 5
7. SCENARIOS
a. Are worse case credible scenarios and corrective procedures documented for each step of the process? [X] NA Yes [ ] No [ ]
b. Have worst case scenarios been highlighted and the process system analyzed for preventive or fail-safe provisions? [X] NA Yes [ ] No [ ]
Do these provide automated protection if the operating personnel fail to take proper action? [X]NA Yes [ ] No [ ]
Are the consequences known by operating personnel when equipment and operating errors occur in the same scenario?
[X] NA Yes [ ] No [ ]
c
Do all parts of t
process go to a fail-safe mode in a:
Power failure? Cooling loss? Nitrogen failure? Air failure?
Yes Yes Yes Yes
[X] [] [] [X]
No [ ] No [ ] No [ ] No [ ]
[X] NA [X] NA
8. SCRUBBERS
a. Is back-flow of the scrubber chemicals into the process
possible?
[X]NA Yes [ ]
No [ ]
b. Can flammable or reactive materials accumulate in the
scrubber medium or vapor space?
[X]NA Yes [ ]
No [ ]
c. If the scrubber is pH controlled, are pH monitoring and
adjustment featuresprovided?
[X]NA Yes [ ]
No [ ]
d. Are additional scrubber gases such as nitrogen purges etc.
controlled adequately to prevent loss of scrubber
efficiency?
[X]NA Yes [ ]
No [ ]
9 . WASTE WATER STRIPPER
a. Is the waste water storage vessel protected from the wrong
material entering it?
[X]NA Yes [ ] No [ ]
b. Is the stripper protected from back flow or back pressure? [X] NA Yes [ ] No [ ]
c. Is level monitoring with low level alarm provided for the stripper and any associated knock-out vessels? [X] NA Yes [ ] No [ ]
TM A 0??745 OONFTDFNTTAI
Page 6
10. CATALYSTS
a. Can catalyst in your process transport downstream and
become a hazard?
[X]NA Yes [ ] No
[]
b. Can iron chloride be made in your process by inadvertent pH
excursions?
Iron chloride is an effective catalyst for many
reactions and has been responsible for many incidents.
[X] NA Yes [ ] No [ ]
c . Are procedures in place for starting up a catalyst or
adsorbent bed that prevent a high temperature plug-flow
temperature front?
[X]NA Yes [ ] N
[]
d. Are all potential reactions known for improper flows or conditions across the catalyst bed?[X]NA Yes [ ] No
[]
e . Can the catalyst be affected by material of construction, or some ingredient in the formulation? [X] NA Yes [ ] No [ ]
f. Can an unintended material backflow or migrate into the process and havea catalytic effect? [X]NA Yes [ ] No
[]
11. INHIBITORS
a. Are inhibitor levels monitored?
[X]NA Yes [ ] No [ ]
b. Are inhibitors temperature sensitive with respect to
effectiveness?
[X]NA Yes [ ] No [ ]
c. Is freeze protection necessary?
[X]NA Yes [ ] No [ ]
d. Is separation of inhibitor from product temperature depend nt' [X]NA Yes [ ] No [ ]
Does the inhibitor require a small amount of oxygen to be
effective?
[X]NA Yes [ ] No [ ]
If so, are oxygen levels monitored?
[X]NA Yes [ ] No [ ]
f. Is the inhibitor affected by material of construction or
vice versa?
[X]NA Yes I ] No [ ]
12. LAB CHEMICAL STORAGE
a. Is there a policy governing ownership responsibility for lab
chemicals?
[X]NA Yes [ ] No [ ]
DO A 077746 CONFTDFNTTAl
Page 7
b. Has the material of construction for the chemical containers been tested for long term compatibility? [X] HA Yes [ ] No [ ]
c. Is there a receiving procedure to prevent chemicals from being left at a delivery point for excessive periods of time? [X]NA Yes I ] No [ ]
d. Is the storage life/self-reactivity/aging data known for
stored materials so as to establish a maximum storage age
at agiven temperature?
[X]NA Yes [ ] No [ ]
e. Are unstable chemicals given special storage provisions? [X] NA Yes [ ] No [ ]
Are stored items in drums checked for over-pressure? [X] NA Yes [ ] No [ ]
Are containers occasionally found to be over-pressured? [X] NA Yes [ ] No [ ]
Is moisture a problem with some chemicals you store? [X] NA Yes [ ] No [ ]
f. Are drums of materials that are sensitive to water stored
indoors?
[X]NA Yes [ ] No [ ]
13. HAZARDOUS MATERIAL HANDLING
a. Have inadvertent operations been identified which could subject process materials (specifically gases) to heat Of compression? [X] NA Yes [ 1 No [ ]
b. Do you vacuum break with nitrogen?
[X] NA Yes [ 1 No [ 1
c . Do you monitor for oxygen content in the part of the proc ss
that operates under vacuum?
[X] NA Yes [ ] No [ ]
Is oxygen monitored in process systems where the compon nts
can be easily oxidized?
[X]NA Yes [ ]
No [ ]
d. Is the design of your process system such that it is
virtually impossible for two highly reactive chemicals
to get together unintentionally?
[X]NA Yes [ ]
No [ ]
Are there redundant safeguards?
[X]NA Yes [ ]
No [ ]
DO A OPp747
oonftdfnttai
Page 8
e . Are drums of materials that are incompatible kept segregated? [X] NA Yes [ ] No [ ]
Are they identified by label/color code etc.? [X] NA Yes [ ]
No [ ]
f . Are procedures, equipment, and training in place to quickly handle leaks of hazardous materials to prev nt
exposure to the plant or community? Yes [X] No [ ]
g. In the event of a leak or spill do you know which absorbent
material to avoid?
Spontaneous combustion incidents are
common.
Yes [ ] No [X]
-But will find what can be used to absorb MEKP
h. Can material be concentrated or built up in a recycle
stream to the point of instability?
[X]NA Yes [ ] No [ ]
Can polymer or other materials in the process build up
and become pyrophoric when exposed to air? [X] NA Yes [ ] No [ ]
i . Are any peroxide-forming materials and conditions present
in your process?
[X]NA Yes [ ] No [ ]
14. WASTE HANDLING
a. Is sawdust or cellulosics based materials used as
an absorbents?
Yes [ ] No [X]
If so, are procedures and ratios specified to prevent
reaction or spontaneous combustion?
[X]NA Yes [ ] No [ ]
b. Have all absorbents in use been tested with the proc ss
materials?
[X]NA Yes I ] NO I ]
-Will change this answer when 13g is answered.
Are there any prohibited absorbents? [X] NA Yes I ] NO [ ]
Do employees know?
[X] NA Yes t ] NO I ]
c. Are different container?
waste
chemicals
collected in a common [ ] NA Yes [ ] No [X]
If so, vested
iscontrol of whatis put into the container
in oneperson or job?
[X]NA Yes [ ] No [ ]
Are pH or other analytical procedures used as part of
this control?
[X]NA YES [ ] NO [ ]
00 A 0PP748 OONF TDFNT TA!
Page 9
d. Are joint procedures with Environmental Services periodically
reviewed?
Yes [X] No [ 1
Does control of waste include?
Yes [ ] No [ 1
Material of construction Time limit of storage Written procedure for disposal Ownership
Yes Yes Yes Yes
[X] [X] [X] [X]
No [ ] No I ] No t ] NO I ]
15. HEELS IN TANK CARS, TANK TRAILERS, BARGES, PROCESS STORAGE VESSELS
LINES AND
a. Are procedures in place to analytically test all heels to
assure that the look-alike heels are what they are supposed
to be?
[X] NA Yes [ ] No [ ]
b . Is odor used as an identifying method? [X] NA Yes [ ] No [ ]
c. Are low points in pipelines checked? [X] NA Yes [ ] No [ ]
d. Are heels from cleaning, such as water, a hazard
with your products?
[X]^IA Yes [ ] No [ ]
e. Are vapors in pressurized vessels/trailers analyzed if no
liquid sample can beobtained?
[X]NA
Yes [ ] No [ ]
f. Are dedicated transport vessels used without confirming
analysis of the heels?
[X]NA Yes [ ] No [ ]
16. EXCHANGERS
a. Is the exchanger media compatible with the process mat rial?
[X] NA Yes
[ ] No [ ]
b. Will a leak into the process be hazardous? [X] NA Yes
[ ] No I ]
c . Is monitoring provided to detect a leaking exchanger?
[X] NA Yes
[ ] No [ ]
d. Is the exchanger essential to the safety of the process?
[X] NA Yes
[ ] No [ ]
e. Is temperature monitoring provided around the exchanger?
[X] NA Yes
[ ] No [ ]
no A ??749
no nf JbFNTT Al
Page 10
. Has the maximum temperature of the reboiler been evaluated
with respect to length of time exposure, such as during
total reflux conditions?
[X]NA Yes [ ] No [ ]
g. Have the effects of a leaking steam valve to a shutdown
reboiler been evaluated?
[X]NA Yes [ ] No [ ]
h. Has the heat history of polymerizable bottoms been
evaluated with respect to reboiler temperature and 1 ngth
of time of exposure?
[X]NA Yes [ ] No [ ]
i . Have you evaluated the effects of recirculation or
cooling failure?
[X]NA Yes [ ] No [ ]
17. AGITATORS
a. Is monitoring provided to detect agitator failure? [ ] NA Yes [ ] No [X]
Motor amps?
Yes [ ] No [X]
Rotation detectors? Yes [ ] No [X]
Blade detector?
Yes [ ] No [X]
b. Has agitator failure been evaluated during the step with the most availableenergy to determine if a run-away can occur? [X] NA Yes [ ] No [ ]
c. Are reactive feed flows interlocked to stop on agitator
failure?
[X]NA Yes [ ] No [ ]
d. Are run step procedures in place to assure proper mixing
andproper reaction?
[X]NA Yes [ ] No [ ]
e . Are amp readings alone on the agitator appropriate to determine the progress of the reaction? [X] NA Yes [ ] No [ ]
18. STATIC MIXERS
a. Are temperatures before and after monitored? [X] NA Yes [ ] No [ ]
b. Are there sufficient reactants within the mixer that overheat
could result if flow of reactants is suddenly stopped
without purge-out?
[X]NA Yes [ ] No [ ]
DO A OFNTT A'l CONF T
Page 11
). PUMPS
a . Are feed pumps interlocked with shutdown trips? Yes [ ] No [X]
b. Are pumps temperature monitored on or within 6-inches
downstream of the pump casing to detect deadheading?
Yes [ ]
Mo [X]
c . Does the monitoring scheme assure detection and alarm on pump
cavitation?
Yes [ ] Mo [X]
d. Are pump seals monitored for flow of seal fluid and seal 1 ss
Yes [ ]
No [X]
Have seal fluid leaks into the process streams been evaluated
Yes [X]
No []
f. Is temperature monitoring provided for pumps that are
used for mixing?
Yes [ ] Mo [X]
2 0 . BACK FLOW
a. Have potential back flow scenarios been evaluated?
b. Has process back-flow been effectively prevented in the following?
Feed lines
Nitrogen connections Condensate Gas cylinders
Yes [ ]
Yes [ ] Yes [ ] Yes [ ]
No [ ]
No [ ] No [ ] No [ j
[X]NA
[X]NA [X]NA [X]NA
c. Are means other than block valves and check valves provided to prevent back flow, such as stopping pumps and depressuring? Yes [ ] No [X]
21. LOW FLOW RATE
a. Have low flow rates been evaluated for their effects on reaction stability and heat removal? [X]NA Yes [ ] No [ ]
Example: throttle back during startup/shutdown/hurrican shutdown.
DO A OONFT DFNTT A1
Page 12
b. Has totalreflux of your distillation column or reactor
systems been evaluated for loss of overheads through leaking
overhead valves?
[X]NA Yes [ ] No [ ]
Concentration of unstable componentsin certain trays [X] NA Yes [ ] No [ ]
Overheating/heat history problems in the reboiler? [X] NA Yes [ ] No [ ]
22. RELIEF DEVICES and VENT SYSTEMS
a. Have pressure relief systems been designed for worse case
crediblereactive
chemicals run-away? [X]NA Yes [ ] No [ ]
b . Are relief valve discharge headers combined with oth r v<inf 0
[X] NA Yes [ ] No
[]
If so,is there a reactive problem? [X]NA Yes [ ] No [ ]
c . Have hazard analysis been performed and documented to defin credible reactive pressure relief scenarios? [X] NA Yes [] No [ ]
d. Does documentation of reactive pressure relief designs meet minimum requirements as it applies to the following? [X] NA Yes [] No [ ]
Reactive chemicals tests or kinetic data used as a basis [X]NA Yes [1 No [ ]
Scenarios used for design. Required capacity [X] NA Yes [ ]
No [ ]
Device size, spec sheet
PSV orifrice,
manufacturer, serial no., [X] NA Yes [1 No
I]
23. COMPATIBILITY CHART
a . Has a current cross compatibility chart been developed for displaying chemical compatibility of the materials used in the block that may be mixed unintentionally? Yes [X] No [.]
b. If so, are the materials that are self-reactive included
in the data?
Yes [X] No [ ]
A DO
00NF
^
Page 13
c. Is the compatibility chart posted where all block
employees can use it?
Yes [X]
No [ ]
d. Is there a policy for keeping the cross-compatibility chart
up-to-date?
Yes [X] No [ ]
24. REACTIVE CHEMICAL TRAINING
a. Is periodic reactive chemical training conducted and
documented?
Yes [X] No [ ]
b. Does reactive chemical training include materials
specific to the block?
Yes [X] No [ ]
c. Has hazard information of chemical mixtures that can be
reactive/flammable/explosive been included in the
training program?
Yes [X] No [ ]
d . Is the cross-compatibility chart included in the periodic
reactive chemicaltraining?
Yes [X] No [ ]
e. Are case histories of past incidents in your unit, the Dow world, and the chemical industry that are r lat d to the process you operate included in the training program?
Yes
[X] No [ ]
f. Have potentially wrong mixtures or procedures been
emphasized in the training program so that employees will
know not to allow certain chemicals to mix or to get out
of parameters?
Yes
[X] No [ ]
g. Are employees trained on the ways instruments and control
devices are prone to fail?
[X]NA
Yes [ ] No [ ]
h. Are employees trained on materials of construction that
can cause a potential reactive chemical problem?
Yes
[X] No [ ]
25. REACTIVE CHEMICAL REVIEWS
a. Are all processes in the block reviewed-by line supervision
and engineers, technology center, and Safety Superint ndent
at least every two years?
Yes [X] No [ ]
-3/91 was last date.
b . Isa Reactive Chemical Committee Review held for your processes every two years or within 90 days of a new
( superintendent? Yes [X] No [ ]
no A OPP753
OONFTDFNTTA1
Page 14
c . Are process changes reviewed by members of the Reactive Chemicals Committee before they are implemented? Yes [X] No [ ]
d. Are pre-startup reviews held for process changes and recommissioning out-of-service equipment? Yes [X] No [ ]
e. Are product formulation changes reviewed by the Reactive
Chemicals Committee?
Yes [X] No [ ]
DO A 0??754 CONFTDFNTT Al