Form MO780-2181 "Air Emission Standards for Tanks Surface Impoundments and Containers Inspection Checklist" - Missouri

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MISSOURI DEPARTMENT OF NATURAL RESOURCES
HAZARDOUS WASTE PROGRAM
AIR EMISSION STANDARDS FOR TANKS SURFACE
Subpart CC
IMPOUNDMENTS AND CONTAINERS INSPECTION CHECKLIST
NAME
EPA ID NUMBER
CITY
MO ID NUMBER
NOTE: This checklist does not apply to many different types of cases-see 40 CFR 264.1080 for applicability. Exemptions are
found at 40 CFR 264.1082(c)
PERMITTED TSD
COMMENTS
The facility treats, stores or disposes of hazardous waste in tanks, surface
Y N NA
impoundments or containers. IF NOT, DO NOT USE THIS CHECKLIST.
1
1.
10 CSR 25-7.264(1) incorporating 40 CFR 264.1080(a).
The regional administrator may at any time perform or request to be
performed, a waste determination for a hazardous waste managed in a
2.
tank, surface impoundment, or container exempted from using air
1
emission controls under the provisions of this section. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1082(d)
An owner or operator shall determine the average volatile organic (VO)
concentration at the point of waste origin for each hazardous waste before
3.
being placed in a waste management unit exempted under the provisions
1
of 40 CFR 264.1082(c) (1) from using air emission controls. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1083 (a)(1)
An average VO concentration shall also be made for each averaging
4.
period that a hazardous waste is managed in the exempted unit. 10 CSR
1
25-7.264(1) incorporating 40 CFR 264.1083(a)(1)(i)
Perform a new waste determination whenever changes to the source
generating the waste stream are likely to cause the average VO
5.
1
concentration to increase. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1083(a)(1)(ii)
An owner or operator shall determine the maximum organic vapor
pressure for each hazardous waste placed in a tank using Tank Level 1
6.
1
controls in accordance with standards specified in 40 CFR 264.1084 of
this subpart. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1083(c)(1)
TANKS
COMMENTS
Tank Level 1 controls are used when the hazardous waste in the tank has
a maximum organic vapor pressure which is less than that for the tank's
design capacity as follows:
3
(1) For a tank design capacity equal to or greater than 151 m
, the
maximum organic vapor pressure limit for the tank is 5.2 kPa.
Y N NA
3
(2) For a tank design capacity equal to or greater than 75 m
but less than
1.
1
3
151 m
, the maximum organic vapor pressure limit for the tank is 27.6
kPa.
3
(3) For a tank design capacity less than 75 m
, the maximum organic
vapor pressure limit for the tank is 76.6 kPa. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(b)(1)(i)(A-C)
The hazardous waste in the tank is not heated by the owner or operator to
a temperature that is greater than the temperature at which the maximum
organic vapor pressure of the hazardous waste is determined for the
2.
1
purpose of complying with the limits specified above. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(b)(1)(ii)
The hazardous waste in the tank is not treated by the owner or operator
using a waste stabilization process as defined in 40 CFR 265.1081. 10
3.
1
CSR 25-7.264(1) incorporating 40 CFR 264.1084(b)(1)(iii)
MO 780-2181 (12-12)
Page 1
MISSOURI DEPARTMENT OF NATURAL RESOURCES
HAZARDOUS WASTE PROGRAM
AIR EMISSION STANDARDS FOR TANKS SURFACE
Subpart CC
IMPOUNDMENTS AND CONTAINERS INSPECTION CHECKLIST
NAME
EPA ID NUMBER
CITY
MO ID NUMBER
NOTE: This checklist does not apply to many different types of cases-see 40 CFR 264.1080 for applicability. Exemptions are
found at 40 CFR 264.1082(c)
PERMITTED TSD
COMMENTS
The facility treats, stores or disposes of hazardous waste in tanks, surface
Y N NA
impoundments or containers. IF NOT, DO NOT USE THIS CHECKLIST.
1
1.
10 CSR 25-7.264(1) incorporating 40 CFR 264.1080(a).
The regional administrator may at any time perform or request to be
performed, a waste determination for a hazardous waste managed in a
2.
tank, surface impoundment, or container exempted from using air
1
emission controls under the provisions of this section. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1082(d)
An owner or operator shall determine the average volatile organic (VO)
concentration at the point of waste origin for each hazardous waste before
3.
being placed in a waste management unit exempted under the provisions
1
of 40 CFR 264.1082(c) (1) from using air emission controls. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1083 (a)(1)
An average VO concentration shall also be made for each averaging
4.
period that a hazardous waste is managed in the exempted unit. 10 CSR
1
25-7.264(1) incorporating 40 CFR 264.1083(a)(1)(i)
Perform a new waste determination whenever changes to the source
generating the waste stream are likely to cause the average VO
5.
1
concentration to increase. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1083(a)(1)(ii)
An owner or operator shall determine the maximum organic vapor
pressure for each hazardous waste placed in a tank using Tank Level 1
6.
1
controls in accordance with standards specified in 40 CFR 264.1084 of
this subpart. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1083(c)(1)
TANKS
COMMENTS
Tank Level 1 controls are used when the hazardous waste in the tank has
a maximum organic vapor pressure which is less than that for the tank's
design capacity as follows:
3
(1) For a tank design capacity equal to or greater than 151 m
, the
maximum organic vapor pressure limit for the tank is 5.2 kPa.
Y N NA
3
(2) For a tank design capacity equal to or greater than 75 m
but less than
1.
1
3
151 m
, the maximum organic vapor pressure limit for the tank is 27.6
kPa.
3
(3) For a tank design capacity less than 75 m
, the maximum organic
vapor pressure limit for the tank is 76.6 kPa. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(b)(1)(i)(A-C)
The hazardous waste in the tank is not heated by the owner or operator to
a temperature that is greater than the temperature at which the maximum
organic vapor pressure of the hazardous waste is determined for the
2.
1
purpose of complying with the limits specified above. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(b)(1)(ii)
The hazardous waste in the tank is not treated by the owner or operator
using a waste stabilization process as defined in 40 CFR 265.1081. 10
3.
1
CSR 25-7.264(1) incorporating 40 CFR 264.1084(b)(1)(iii)
MO 780-2181 (12-12)
Page 1
For a tank that does not meet the above conditions, the owner or operator
shall use Tank Level 2 controls. Examples are: A tank used for waste
stabilization process; and a tank for which the hazardous waste in the
Y N NA
1
tank has a maximum organic vapor pressure that is equal to or greater
4.
than the maximum organic vapor pressure specified limit. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(b)(2)
Tank Level 1 controls require a fixed roof to certain specifications. The
fixed roof and its closure device shall be designed to form a continuous
barrier over the entire surface area of the hazardous waste in the tank.
The roof may be a separate cover installed on the tank (e.g. a removable
5.
1
cover on an open-top tank) or may be an integral part of the tank
structural design. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(c)(2)(i)
The fixed roof shall be installed so there are no visible cracks, holes, gaps
or other open spaces between roof section joints or between the roof and
6.
1
tank walls. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084 (c)(2)(ii)
Each opening in the fixed roof and any manifold system associated with
the fixed roof shall either be equipped with a secure closure device that
prevents any gaps or openings between the roof and closure device; or
connected to a closed-vent system that is vented to a control device. The
7.
1
control device shall remove or destroy organics in the vent stream and
shall be operating when hazardous waste is managed in the tank. 10 CSR
25-7.264(1) incorporating 40 CFR 264.1084(c)(2)(iii)
During periods when it is necessary to provide access to the tank (such
as routine maintenance, inspection or other activities needed for normal
operation) venting of the vapor headspace underneath the fixed roof to
the control device is not required, opening of the closure device is
allowed, and removal of the fixed roof allowed. Following completion of
8.
1
the activity, the owner or operator shall promptly secure the closure
device, reinstall the cover and resume operation of the control device. 10
CSR 25-7.264(1) incorporating 40 CFR 264.1084(c)(2)(iii)((B)(1)
The fixed roof and its closure devices shall be made of suitable materials
that will minimize exposure of the hazardous waste to the atmosphere
and will maintain the integrity of the roof and closure devices throughout
9.
1
their intended service life. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(c)(2)(iv)
Whenever there is hazardous waste in the tank, the fixed roof shall be
10.
installed with each closure device secured in closed position except as
1
allowed in 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(c)(3).
The owner or operator shall inspect the air emission control equipment
prior to the tanks becoming operational and thereafter annually and will
11.
1
keep a record of these inspections. 10 CSR 25-7.264(1) incorporating 40
CFR 264.1084(c)(4).
For Level 2 controls, the owner or operator shall use one of the following
tanks:
(1) A fixed-roof tank equipped with an internal floating roof;
(2) A tank equipped with an external floating roof;
(3) A tank vented through a closed-vent system to a control device;
12.
(4) A pressure tank designed and operated not to vent to the atmosphere
1
as a result of compression of the vapor headspace in the tank during
filling of the tank to its design capacity; or
(5) A tank located inside an enclosure that is vented through a closed-
vent system to an enclosed combustion control device per 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(d)
The owner or operator who controls air pollutant emissions from a tank
using a fixed roof with an internal floating roof shall ensure that :-
1)
The internal floating roof is designed to float on the liquid surface
except when it must be supported by the leg supports; 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(e)(1)(i)
13.
1
2)
The floating roof is equipped with a continuous seal between the wall
of the tank and the floating roof edge that is either a liquid mounted or
metallic shoe single continuous seal or two continuous seals
mounted one above the other. 10 CSR 25-7.264(1) incorporating 40
CFR 264.1084(e)(1)(ii)
MO 780-2181 (12-12)
Page 2
The owner or operator shall inspect the air emission control equipment
prior to the tanks becoming operational and thereafter annually and will
Y N NA
1
keep a record of these inspections. 10 CSR 25-7.264(1) incorporating 40
11.
CFR 264.1084(c)(4).
For Level 2 controls, the owner or operator shall use one of the following
tanks:
(1) A fixed-roof tank equipped with an internal floating roof;
(2) A tank equipped with an external floating roof;
(3) A tank vented through a closed-vent system to a control device;
12.
(4) A pressure tank designed and operated not to vent to the atmosphere
1
as a result of compression of the vapor headspace in the tank during
filling of the tank to its design capacity; or
(5) A tank located inside an enclosure that is vented through a closed-
vent system to an enclosed combustion control device per 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(d)
The owner or operator who controls air pollutant emissions from a tank
using a fixed roof with an internal floating roof shall ensure that :-
3)
The internal floating roof is designed to float on the liquid surface
except when it must be supported by the leg supports; 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(e)(1)(i)
13.
1
4)
The floating roof is equipped with a continuous seal between the wall
of the tank and the floating roof edge that is either a liquid mounted or
metallic shoe single continuous seal or two continuous seals
mounted one above the other. 10 CSR 25-7.264(1) incorporating 40
CFR 264.1084(e)(1)(ii)
The internal floating roof has these specifications:
(1) Each opening (except for automatic bleeder vents) and the rim space
vents are to provide a projection below the liquid surface. (2) Each
opening shall be equipped with a gasketed cover or a gasketed lid except
for leg sleeves, automatic bleeder vents, rim space vents, column wells,
ladder wells, sample wells and stub drains.
(3) Each penetration in the internal floating roof for sampling purposes
14.
shall have a slit fabric cover that covers at least 90 percent of the
1
opening.
(4) Each automatic bleeder vent and rim space vent shall be gasketed.
(5) Each penetration that allows for a ladder shall have a gasketed sliding
cover.
(6) Each penetration that allows for passage of a column supporting the
fixed roof shall have a flexible fabric sleeve seal or a gasketed sliding
cover. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(e)(1)(iii)(A-F)
The owner or operator shall operate the tank as follows:
(1) When the floating roof is resting on the leg supports, the process of
filling, emptying or refilling shall be continuous and completed as soon as
practical.
(2) Automatic bleeder vents are to be set closed at all times the roof is
floating, except when the roof is being floated off or is being landed on the
leg supports.
1
15.
(3) Prior to filling the tank, each cover, access hatch, gauge float well or
lid on any opening in the internal floating roof shall be bolted or fastened
closed.
(4) Rim space vents are to be set to open only when the floating roof is
not floating or when the pressure beneath the rim exceeds the
manufacturer's recommended setting. 10 CSR 25-7.264(1) incorporating
40 CFR 264.1084(e)(2)
The owner or operator shall inspect the internal floating roof as specified;
(1) Visually inspect the floating roof components through openings on the
fixed roof at least once every 12 months after initial fill, and (2) visually
16.
inspect the floating roof, primary seal, secondary seal, gaskets, slotted
1
membranes, and sleeves each time the tank is emptied and degassed
and at least every 10 years. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(e)(3)(ii)
MO 780-2181 (12-12)
Page 3
The inspection is to find such defects as:
(1) The internal floating roof is not floating.
(2) Liquid has accumulated on top of the floating roof.
(3) Any portion of the roof seals have detached from the rim.
Y N NA
(4) Holes, tears, or other openings are visible in the seal fabric.
1
17.
(5) The gaskets no longer close off the hazardous waste surface from the
atmosphere.
(6) The slotted membrane has more than 10 percent open area. 10 CSR
25-7.264(1) incorporating 40 CFR 264.1084(e)(3)(i)
An alternative inspection for a floating roof with two continuous seals
mounted one on top of the other. The owner or operator shall inspect the
internal floating roof, primary and secondary seals, gaskets, slotted
18.
1
membranes and sleeve seals each time the tank is emptied and
degassed and at least every five years. 10 CSR 25-7.264(1) incorporating
40 CFR 264.1084(e)(3)(iii)
At least 30 days prior to refilling a tank that has been emptied and
degassed, the owner or operator shall notify the Regional Administrator in
writing of the intent to perform an inspection. The Regional Administrator
19.
may send an observer for the inspection. For an unplanned visual
1
inspection where 30 days’ notice is not possible, the owner or operator
shall call the Regional Administrator seven days prior to the inspection. 10
CSR 25-7.264(1) incorporating 40 CFR 264.1084(e)(3)(iv)
In the event a defect is detected, the owner or operator shall make the
first effort at repair within five days. Complete repair will be made within
20.
45 days. If this is not possible, repair will be made when the operation can
1
be stopped for the repair. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(e)(3)(v) referencing 40 CFR 264.1084(k)
The owner or operator shall maintain a record of all inspections. 10 CSR
21.
1
25-7.264(1) incorporating 40 CFR 264.1084(e)(3)(vi)
The owner or operator of a tank with an external floating roof shall ensure
the tank meets these requirements:
(1) The floating roof will be designed to float on a liquid surface except
when the roof must be supported by leg supports.
22.
1
(2) The floating roof will equipped with two continuous seals, one above
the other, between the wall of the tank and the roof edge. The lower seal
is the primary and the upper seal is the secondary. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(f)(1)
The primary seal shall be a liquid-mounted seal or a metallic shoe seal.
The total area of the gaps between the tank wall and the primary seal
shall not exceed 212 square centimeters per meter of tank diameter, and
23.
the width of any portion of these gaps shall not exceed 3.8 centimeters. If
1
a metallic shoe seal is used, one end will be in the liquid and the other
end at least 61 centimeters above the liquid surface. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(f)(1)(ii)(A)
The secondary seal shall be mounted above the primary seal and cover
the annular space between the floating roof and the wall of the tank. The
total gap area between the tank wall and the secondary seal shall not
24.
1
exceed 21.2 square centimeters per meter of tank diameter and the width
of any portion of these gaps shall not exceed 1.3 centimeters. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(f)(1)(ii)(B)
Except for automatic bleeder vents and rim space vents, each opening in
a noncontact external floating roof shall provide a projection below the
25.
1
liquid surface. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(f)(1)(iii)(A)
Except for automatic bleeder vents, rim space vents, roof drains, and leg
sleeves, each opening in the roof shall be equipped with a gasketed
26.
1
cover, seal or lid. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(f)(1)(iii)(B)
Each access hatch and each gauge float well shall be equipped with a
cover designed to be bolted or fastened when the cover is secured in the
27.
1
closed position. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(f)(1)(iii)(C)
MO 780-2181 (12-12)
Page 4
Each automatic bleeder vent and each rim space vent shall be equipped
Y N NA
with a gasket. 10 CSR 25-7.264(1) incorporating 40 CFR
1
28.
264.1084(f)(1)(iii)(D)
Each roof drain that empties into the liquid managed in the tank shall be
equipped with a slotted membrane fabric cover that covers at least 90
29.
1
percent of the opening. 10 CSR 25-7.264(1) incorporating 40 CFR
264.1084(f)(1)(iii)(E)
Each unslotted and slotted guide pole well shall be equipped with a
30.
gasketed sliding cover or a flexible fabric sleeve seal. 10 CSR 25-7.264(1)
1
incorporating 40 CFR 264.1084(f)(1)(iii)(F)
Each unslotted guide pole shall be equipped with a gasketed cap on the
31.
end of the pole. 10 CSR 25-7.264(1) incorporating 40 CFR
1
264.1084(f)(1)(iii)(G)
Each slotted guide pole shall be equipped with a gasketed float or other
32.
device which closes off the liquid surface from the atmosphere. 10 CSR
1
25-7.264(1) incorporating 40 CFR 264.1084(f)(1)(iii)(H)
Each gauge hatch and each sample well shall be equipped with a
33.
gasketed cover. 10 CSR 25-7.264(1) incorporating 40 CFR
1
264.1084(f)(1)(iii)(I)
When the floating roof is resting on the leg supports, the process of filling,
34.
emptying or refilling shall be continuous and shall be completed as soon
1
as practical. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(f)(2)(i)
Except for automatic bleeder vents, rim space vents, roof drains, and leg
sleeves, each opening in the roof shall be secured and maintained in a
35.
1
closed position at all times except when the closure device must be open
for access. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(f)(2)(ii)
Covers on each access hatch and each gauge float well shall be bolted or
36.
fastened when secured in the closed position. 10 CSR 25-7.264(1)
1
incorporating 40 CFR 264.1084(f)(2)(iii)
Automatic bleeder vents shall be set closed at all times when the roof is
37.
floating, except when the roof is being floated off or is being landed on the
1
leg supports. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(f)(2)(iv)
Rim space vents shall be set to open only at those times that the roof is
being floated off the roof leg supports or when the pressure beneath the
38.
1
rim seal exceeds the manufacturer's recommended setting. 10 CSR 25-
7.264(1) incorporating 40 CFR 264.1084(f)(2)(v)
The cap on the end of each unslotted guide pole shall be secured in the
closed position at all times except when measuring the level or collecting
39.
1
samples of the liquid in the tank. 10 CSR 25-7.264(1) incorporating 40
CFR 264.1084(f)(2)(vi)
The cover on each gauge hatch or sample well shall be secured in the
40.
closed position at all times except when the hatch or well must be opened
1
for access. 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(f)(2)(vii)
Both the primary seal and the secondary seal shall completely cover the
annular space between the external floating roof and the wall of the tank
41.
1
in a continuous fashion except during inspections. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(f)(2)(viii)
The owner or operator shall perform measurements of gaps between the
tank wall and the primary seal within 60 calendar days after initial
42.
operation of the tank following installation of the floating roof, and
1
thereafter, at least once every five years. 10 CSR 25-7.264(1)
incorporating 40 CFR 264.1084(f)(3)(i)(A)
The owner or operator shall perform measurements of gaps between the
tank wall and the secondary seal within 60 calendar days after initial
43.
operation of the tank following installation of the floating roof, and
1
thereafter, at least once every year. 10 CSR 25-7.264(1) incorporating 40
CFR 264.1084(f)(3)(i)(B)
If a tank ceases to hold a hazardous waste for a period of a year or more,
subsequent introduction of hazardous waste into the tank shall be
44.
1
considered an initial operation for the purposes explained above (see
42,43). 10 CSR 25-7.264(1) incorporating 40 CFR 264.1084(f)(3)(i)(C)
MO 780-2181 (12-12)
Page 5
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