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5003.1.5 Additional specific requirements.
The storage, handling and use of hazardous materials shall additionally comply with the specific requirements of FC Chapters 51 through 67, as applicable.
FC Table 5003.1.1(1)
Maximum Allowable Quantity per Control Area of Hazardous Materials Posing a Physical Hazard
a, j, m, n
Material
Class
Group When the Maximum Allowable Quantity Is Exceeded t
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds
(cubic feet)
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
(cubic feet)
Liquid
gallons (pounds)
Gas
SCF
Solid
pounds
(cubic feet)
Liquid
gallons (pounds)
Material
Class
Group When the Maximum Allowable Quantity Is Exceeded t
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds
(cubic feet)
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
(cubic feet)
Liquid
gallons (pounds)
Gas
SCF
Solid
pounds
(cubic feet)
Liquid
gallons (pounds)
Combustible dust
Not Applicable
H-2
See Note q
Not Applicable
Not Applicable
See Note q
Not Applicable
Not Applicable
See Note q
Not Applicable
Combustible fiber q
Loose Baled o
H-3
(100)
(1,000)
Not Applicable
Not Applicable
(100)
(1,000)
Not Applicable
Not Applicable
(20)
(200)
Not Applicable
Combustible liquid c, i, r
II
IIIA
IIIB
H-2 or H-3
H-2 or H-3
Not Applicable
Not Applicable
120 d, e
330 d, e
13,200 e, f
Not Applicable
Not Applicable
120 d
330 d
13,200 f
Not Applicable
Not Applicable
30 d
80 d
3,300 f
Cryogenics flammable
Not Applicable
H-2
Not Applicable
45 d
Not Applicable
Not Applicable
45 d
Not Applicable
Not Applicable
10 d
Cryogenics
inert
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Limited
Not Applicable
Not Applicable
Not Limited
Not Applicable
Not Applicable
Cryogenics oxidizing
Not Applicable
H-3
Not Applicable
45 d
Not Applicable
Not Applicable
45 d
Not Applicable
Not Applicable
10 d
Explosives
Division 1.1
Division 1.2
Division 1.3
Division 1.4
Division 1.4G
Division 1.5
Division 1.6
H-1
H-1
H-1 or H-2
H-3
H-3
H-1
H-1
0
1 e, g
5 e, g
50 e, g
125 e, l
1 e, g
1 e, g
0
(1) e, g
(5) e, g
(50) e, g
Not Applicable
(1) e, g
Not Applicable
Not Applicable
0
0.25 g
1 g
50 g
Not Applicable
0.25 g
Not Applicable
 0
(0.25)
g
(1) g
(50) g
Not Applicable
(0.25) g
Not Applicable
Not Applicable
 0
0.25
g
1 g
Not Applicable
Not Applicable
0.25 g
Not Applicable
 0
(0.25)
g
(1) g
Not Applicable
Not Applicable
(0.25) g
Not Applicable
Flammable gas
Gaseous
Liquefied
H-2
Not Applicable
Not Applicable
(150) d, e
1,000 d, e
Not Applicable
Not Applicable
Not Applicable
(150) d, e
1,000 d, e
Not Applicable
Not Applicable
Not Applicable
Flammable liquids c, r
IA s

IB and IC
H-2
or
H-3
Not Applicable
30 d, e
120 d, e
Not Applicable
Not Applicable
30 d
120 d
Not Applicable
Not Applicable
10 d
30 d
Flammable liquid, combination
(IA s, IB, IC)
Not Applicable
H-2
or
H-3
Not Applicable
120 d, e, h
Not Applicable
Not Applicable
120 d, h
Not Applicable
Not Applicable
30 d, h
Flammable solid
Not Applicable
H-3
125 d, e
Not Applicable
Not Applicable
125 d
Not Applicable
Not Applicable
25 d
Not Applicable
Inert gas
Gaseous
Liquefied
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Limited
Not Limited
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Limited
Not Limited
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Organic peroxide p
Unclassified Detonable
I
II
III
IV
V

H-1
H-2
H-3
H-3
Not Applicable
Not Applicable

1 e, g
5 d, e
50 d, e
125 d, e
Not Limited
Not Limited

(1) e, g
(5) d, e
(50) d, e
(125) d, e
Not Limited
Not Limited
Not Applicable

0.25 g
1 d
50 d
125 d
Not Limited
Not Limited

(0.25) g
(1) d
(50) d
(125) d
Not Limited
Not Limited
Not Applicable

0.25 g
1 d
10 d
25 d
Not Limited
Not Limited

(0.25) g
(1) d
(10) d
(25) d
Not Limited
Not Limited
Oxidizer
4
3 k
2
1
H-1
H-2
H-3
H-3
1 g
10 d, e
250 d, e
4,000 e, f
(1) e, g
(10) d, e
(250) d, e
(4,000) e, f
Not Applicable
0.25 g
2 d
250 d
4,000 f
(0.25) g
(2) d
(250) d
(4,000) f
Not Applicable
0.25 g
2 d
50 d
1,000 f
(0.25) g
(2) d
(50) d
(1,000) f
Oxidizing gas u
Gaseous
Liquefied
H-3
Not Applicable
Not Applicable
(150) d, e
1,500 d, e
Not Applicable
Not Applicable
Not Applicable
(150) d, e
1,500 d, e
Not Applicable
Not Applicable
Not Applicable
Pyrophoric material p detonable
Not Applicable
H-1
1 e, g
(1) e, g
10 e, g
0.25 g
(0.25) g
2 e, g
0
0
Pyrophoric material nondetonable
Not Applicable
H-2
4 e, g
(4) e, g
50 e, g
1 g
(1) g
10 e, g
0
0
Unstable (reactive) p detonable
4
3
H-1
H-1
1 e, g
1 e, g
(1) e, g
(1) e, g
10 e, g
10 e, g
0.25 g
0.25 g
(0.25) g
(0.25) g
2 e, g
2 e, g
0.25 g
0.25 g
(0.25) g
(0.25) g
Unstable (reactive) nondetonable
4
3
2
1
H-1
H-1 or H-2
H-3
Not Applicable
1 e, g
5 d, e
50 d, e
Not Limited
(1) e, g
(5) d, e
(50) d, e
Not Limited
10 e, g
50 d, e
250 d, e
750 d, e
0.25 g
1 d
50 d
Not Limited
(0.25) g
(1) d
(50) d
Not Limited
2 e, g
10 d, e
250 d, e
750 d, e
0.25 g
1 d
10 d
Not Limited
(0.25) g
(1) d
(10) d
Not Limited
Water-reactive detonable p
3
2
H-1
H-1
1 e, g
1 e, g
(1) e, g
(1) e, g
Not Applicable
0.25 g
0.25 g
(0.25) g
(0.25) g
Not Applicable
0.25 g
0.25 g
(0.25) g
(0.25) g
Water-reactive nondetonable
3
2
1
H-2
H-3
Not Applicable
5 d, e
50 d, e
Not Limited
(5) d, e
(50) d, e
Not Limited
Not Applicable
5 d
50 d
Not Limited
(5) d
(50) d
Not Limited
Not Applicable
1 d
10 d
Not Limited
(1) d
(10) d
Not Limited
For SI: 1 cubic foot = 0.02832 m3, 1 pound = 0.454 kg, 1 gallon = 3.785 L.
a.   For use of control areas, see FC 5003.8.3.
b.   The aggregate quantity in storage, handling and use shall not exceed the quantity listed for storage.
c.   The quantities of alcoholic beverages in retail and wholesale sales occupancies shall not be limited providing the liquids are packaged in individual containers not exceeding 1.3 gallons. In retail and wholesale sales occupancies, the quantities of medicines, foodstuffs, or consumer products, and cosmetics containing not more than 50 percent by volume of water-miscible liquids with the remainder of the solutions not being flammable shall not be limited, provided that such materials are packaged in individual containers not exceeding 1.3 gallons.
d.   Maximum allowable quantities, except for liquefied petroleum gas and flammable liquid motor fuel, may be increased 100 percent in buildings protected throughout by a sprinkler system. Where Note e applies, the quantities may be increased as set forth in both notes.
e.   Maximum allowable quantities, except for liquefied petroleum gas and flammable liquid motor fuel, may be increased 100 percent when stored in approved storage cabinets, gas cabinets, gas rooms, exhausted enclosures or listed safety cans. Listed safety cans shall be in accordance with FC 5003.9.10. Where Note d applies, the quantities may be increased as set forth in both notes.
f.   Quantities shall not be limited in a building protected throughout by a sprinkler system.
g.   Allowed only in buildings protected throughout by a sprinkler system.
h.   Containing not more than the maximum allowable quantity per control area of Class IA, Class IB or Class IC flammable liquids.
i.   Stationary fuel oil storage tanks shall comply with the requirements of the construction codes, including the Mechanical Code.
j.   Quantities shown in the table in parentheses have the units shown in parentheses at the head of the column.
k.   A maximum quantity of 200 pounds of solid or 20 gallons of liquid Class 3 oxidizers is allowed when such materials are necessary for maintenance and operation of equipment when the storage containers and the manner of storage are approved.
l.   Reserved.
m.   For gallons of liquids, divide the amount in pounds by 10 in accordance with FC 5003.1.2.
n.   For storage and display quantities in Group M and storage quantities in Group S occupancies complying with the requirements of FC 5003.11, see FC Table 5003.11.1.
o.   Densely-packed baled cotton that complies with the packing requirements of ISO 8115 shall not be included in this material class.
p.   Unclassified detonable organic peroxides (see FC Chapter 62), detonable pyrophoric materials (see FC Chapter 64), detonable unstable (reactive) materials (see FC Chapter 66) and detonable water-reactive materials (see FC Chapter 67) shall be treated as explosives for purposes of storage, handling and use (see FC Chapter 56).
q.   Where manufactured, generated or used in such a manner that the concentration and conditions create a re or explosion hazard based on information prepared in accordance with FC 104.7.2.
r.   For storage of flammable and combustible liquids in Group M occupancy, see FC Chapter 57. For storage of flammable and combustible liquids in distilleries, see FC Chapter 40. The maximum allowable quantities shall not apply to alcohol-based hand rubs classified as Class I or II liquids in dispensers that are installed or placed for use on a premises in accordance with FC 5705.5.1 and 5705.5.2.
s.   For purposes of this table, gasoline and other flammable liquid motor fuels are classified as a Class IA flammable liquid.
t.   The maximum allowable quantities shall be limited by FC 5006 for non-production laboratories classified as Occupancy Group B.
u.   Medical gas storage in hospitals and other medical facilities classified as Occupancy Group B and I shall be subject to the requirements as set forth in FC 5306.
FC Table 5003.1.1(2)
Maximum Allowable Quantity per Control Area of Hazardous Material Posing a Health Hazard
a, c, f, h, i, j
 
Material
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds d, e
Liquid
gallons
(pounds) d, e
Gas
SCF
(pounds) d
Solid
pounds d
Liquid
gallons
(pounds) d  
Gas
SCF
(pounds) d  
Solid
pounds d
Liquid
gallons
(pounds) d
Corrosive
5,000
500
Gaseous 810 e
Liquefied (150)
5,000
500
Gaseous 810 e
Liquefied (150) 
1,000
100
Highly toxic
10
(10)
Gaseous 20 g
Liquefied (4) g
10
(10)
Gaseous 20 g
Liquefied (4) g
3
(3)
Toxic
500
(500)
Gaseous 810 e
Liquefied (150) e
500
(500) 
Gaseous 810 e
Liquefied (150) e
125
(125)
For SI: 1 cubic foot = 0.02832 m3, 1 pound = 0.454 kg, 1 gallon = 3.785 L.
a.   For use of control areas, see FC 5003.8.3.
b.   The aggregate quantity in storage, handling and use shall not exceed the quantity listed for storage.
c.   In retail and wholesale sales occupancies, the quantities of medicines, foodstuffs or consumer products, and cosmetics, containing not more than 50 percent by volume of water-miscible liquids and with the remainder of the solutions not being flammable, shall not be limited, provided that such materials are packaged in individual containers not exceeding 1.3 gallons.
d.   Maximum allowable quantities may be increased 100 percent in buildings protected throughout by a sprinkler system. Where Note e applies, the quantities increased shall be as set forth in both notes.
e.   Maximum allowable quantities may be increased 100 percent when stored in approved storage cabinets, gas cabinets, or exhausted enclosures. Where Note d applies, the quantities increased shall be as set forth in both notes.
f.   For storage and display quantities in Group M and storage quantities in Group S occupancies complying with the requirements of FC 5003.11, see FC Table 5003.11.1.
g.   Allowed only when stored in approved exhausted gas cabinets or exhausted enclosures.
h.   Quantities shown in the table in parentheses have the units shown in parentheses at the head of the column.
i.   For gallons of liquids, divide the amount in pounds by 10 in accordance with FC 5003.1.2.
j.   The maximum allowable quantities shall be limited by FC 5006 for non-production laboratories classified as Occupancy Group B.
FC Table 5003.1.1(3)
Maximum Allowable Quantity per Control Area of Hazardous Materials Posing a Physical Hazard in an Outdoor Control Area
a, c, d, f
Material
Class
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
Liquid
gallons
(pounds)
Material
Class
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
Solid
pounds
Liquid
gallons
(pounds)
Flammable gas
Gaseous
Liquefied
Not Applicable
Not Applicable
(150)
1000
Not Applicable
Not Applicable
Not Applicable
(150)
1000
Not Applicable
Not Applicable
Not Applicable
Flammable solid
Not Applicable
125
Not Applicable
Not Applicable
25
Not Applicable
Not Applicable
25
Not Applicable
Inert gas

Cryogenic inert
Gaseous
Liquefied
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Limited
Not Limited
Not Limited
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Limited
Not Limited
Not Limited
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Not Applicable
Organic peroxide e
Unclassified Detonable
1
(1)
Not Applicable
0.25
(0.25)
Not Applicable
0.25
(0.25)
Organic peroxide
I
II
III
IV
V
5
50
125
500
Not Limited
(5)
(50)
(125)
(500)
Not Limited
Not Applicable
1
50
125
500
Not Limited
(1)
(50)
(125)
(500)
Not Limited
Not Applicable
1
10
25
100
Not Limited
(1)
(10)
(25)
(100)
Not Limited
Oxidizer
4
3
2
1
1
10
250
4,000
(1)
(10)
(250)
(4,000)
Not Applicable
0.25
2
250
4,000
(0.25)
(2)
(250)
(4,000)
Not Applicable
0.25
2
50
1,000
(0.25)
(2)
(50)
(1,000)
Oxidizing gas
Gaseous
Liquefied
Not Applicable
Not Applicable
15
1,500
Not Applicable
Not Applicable
Not Applicable
15
1,500
Not Applicable
Not Applicable
Not Applicable
Pyrophoric material e detonable
Not Applicable
1
(1)
10
0.25
(0.25)
2
0
0
Pyrophoric material nondetonable
Not Applicable
4
(4)
50
1
(1)
10
0
0
Unstable (reactive) e detonable
4
3
1
1
(1)
(1)
10
10
0.25
0.25
(0.25)
(0.25)
2
2
0.25
0.25
(0.25)
(0.25)
Unstable (reactive) nondetonable
4
3
2
1
1
5
50
Not Limited
(1)
(5)
(50)
Not Limited
10
50
250
750
0.25
1
50
Not Limited
(0.25)
(1)
(50)
Not Limited
2
10
250
750
0.25
1
10
Not Limited
(0.25)
(1)
(10)
Not Limited
Water-
reactive
e detonable
3
2
1
1
(1)
(1)
Not Applicable
0.25
0.25
(0.25)
(0.25)
Not Applicable
0.25
0.25
(0.25)
(0.25)
Water-
reactive nondetonable
3
2
1
5
50
Not Limited
(5)
(50)
Not Limited
Not Applicable
5
50
Not Limited
(5)
(50)
Not Limited
Not Applicable
1
10
Not Limited
(1)
(10)
Not Limited
For SI: 1 pound = 0.454 kg, 1 gallon = 3.785 L, 1 cubic foot = 0.02832 m3.
a.   For gallons of liquids, divide the amount in pounds by 10 in accordance with FC 5003.1.2.
b.   The aggregate quantities in storage and use shall not exceed the quantity listed for storage.
c.   The aggregate quantity of nonflammable solid and nonflammable or noncombustible liquid hazardous materials allowed in outdoor storage per single property under the same ownership or control used for retail or wholesale sales is allowed to exceed the maximum allowable quantity per control area when such storage is in accordance with FC 5003.11.
d.   Quantities shown in the table in parentheses have the units shown in parentheses at the head of the column.
e.   Unclassified detonable organic peroxides (see FC Chapter 62), detonable pyrophoric materials (see FC Chapter 64), detonable unstable (reactive) materials (see FC Chapter 66) and detonable water-reactive materials (see FC Chapter 67) shall be treated as explosives for purposes of storage (see FC Chapter 56).
f.   In addition to these requirements, the outdoor storage and use of hazardous materials shall comply with applicable requirements of the Zoning Resolution.
FC Table 5003.1.1(4)
Maximum Allowable Quantity per Control Area of Hazardous Materials Posing a Health Hazard in an Outdoor Control Area
a, c, f, g
 
Material
Storage b
Use-Closed Systems b
Use-Open Systems b
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
(pounds)
Solid
pounds
Liquid
gallons
(pounds)
Gas
SCF
(pounds)
Solid
pounds
Liquid
gallons
(pounds)
Corrosives
5,000
500
Gaseous 810
Liquefied (150)
5,000
500
Gaseous 810
Liquefied (150)
1,000
100
Highly toxics
10
(10) 
Gaseous 20 d
Liquefied (4) d
10
(10) 
Gaseous 20 d
Liquefied (4) d
3
(3)
Toxics
500
(500) e
Gaseous 810
Liquefied (150)
500
50 e
Gaseous 810
Liquefied (150)
25
(25) e
For SI: 1 cubic foot = 0.02832 m3, 1 pound = 0.454 kg, 1 gallon = 3.785 L, 1 pound per square inch absolute = 6.895 kPa, °C = (°F-32)/1.8.
a.   For gallons of liquids, divide the amount in pounds by 10 in accordance with FC 5003.1.2.
b.   The aggregate quantities in storage and use shall not exceed the quantity listed for storage.
c.   The aggregate quantity of nonflammable solid and nonflammable or noncombustible liquid hazardous materials allowed in outdoor storage on a single property under the same ownership or control used for retail or wholesale sales is allowed to exceed the maximum allowable quantity per control area when such storage is in accordance with FC 5003.11.
d.   Allowed only when used in approved exhausted gas cabinets, exhausted enclosures or under fume hoods.
e.   The maximum allowable quantity per control area for toxic liquids with vapor pressures in excess of 1 psia at 77°F shall be the maximum allowable quantity per control area listed for highly toxic liquids.
f.   Quantities shown in the table in parentheses have the units shown in parentheses at the head of the column.
g.   In addition to these requirements, the outdoor storage and use of hazardous materials shall comply with the applicable requirements of the Zoning Resolution.