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5002.1 Definitions.
The following terms shall, for the purposes of this chapter, FC Chapters 51 through 67, and as used elsewhere in this code, have the meanings set forth in FC 202.
BOILING POINT.
CARGO TANK.
CEILING LIMIT.
CHEMICAL.
CHEMICAL NAME.
CLOSED CONTAINER.
CONTAINER.
CONTROL AREA.
DEFLAGRATION.
DESIGN PRESSURE.
DETACHED BUILDING.
DISPENSING.
EXCESS FLOW CONTROL.
EXHAUSTED ENCLOSURE.
EXPLOSION.
FLAMMABLE VAPORS OR FUMES.
GAS CABINET.
GAS ROOM.
HAZARDOUS MATERIALS.
HEALTH HAZARD.
IMMEDIATELY DANGEROUS TO LIFE AND HEALTH (IDLH).
INCOMPATIBLE MATERIALS.
LABORATORY CHEMICAL.
LABORATORY UNIT.
LIQUID.
LOWER EXPLOSIVE LIMIT (LEL).
LOWER FLAMMABLE LIMIT (LFL).
MAXIMUM ALLOWABLE QUANTITY PER CONTROL AREA.
NON-PRODUCTION LABORATORY.
NORMAL TEMPERATURE AND PRESSURE (NTP).
OUTDOOR CONTROL AREA.
PERMISSIBLE EXPOSURE LIMIT (PEL).
PESTICIDE.
PRESSURE VESSEL.
SAFETY CAN.
SAFETY DATA SHEET (SDS).
SECONDARY CONTAINMENT.
SOLID.
STANDARD CUBIC FEET (SCF).
SYSTEM.
TANK, ATMOSPHERIC.
TANK, PORTABLE.
TANK, STATIONARY.
VAPOR PRESSURE.
5003.1 General.
Hazardous materials shall be manufactured, stored, handled, used and transported in accordance with this chapter.
5003.1.1 Maximum allowable quantity per control area.
The maximum allowable quantity per control area shall be as specified in FC Tables 5003.1.1(1) through 5003.1.1(4), and for retail and wholesale storage and display in Group M occupancies, and Group S storage, as specified in FC 5003.11.
Exceptions: The maximum allowable quantity per control area requirements set forth in FC Tables 5003.1.1(1) through 5003.1.1(4) shall not apply to:
1. A construction site in an unoccupied building prior to issuance of a certificate of occupancy or temporary certificate of occupancy for such building. Maximum allowable quantity per control area requirements shall apply to a construction site in an occupied or partially occupied building, except as may be otherwise authorized by the department in writing.
2. Liquid or gaseous fuel in fuel tanks on motor vehicles.
3. Gaseous fuels in piping systems and fixed appliances regulated by the Fuel Gas Code.
4. Liquid fuels in piping systems and fixed appliances regulated by the Mechanical Code.
5003.1.2 Conversion.
A conversion factor of 10 pounds per gallon (1.2 kg/L) shall be used to ascertain the weight per gallon of liquid when such weight is not provided or otherwise available to the commissioner.
5003.1.3 Quantities not exceeding the maximum allowable quantity per control area.
The storage, handling and use of hazardous materials in quantities not exceeding the maximum allowable quantity per control area indicated in FC Tables 5003.1.1(1) through 5003.1.1(4) shall be in accordance with FC 5001 and 5003.
5003.1.4 Quantities exceeding the maximum allowable quantity per control area.
The storage, handling and use of hazardous materials in quantities exceeding the maximum allowable quantity per control area indicated in FC Tables 5003.1.1(1) through 5003.1.1(4) shall be in accordance with this chapter and, in a high-hazard occupancy, the requirements of the Building Code.
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.
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.
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.
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.
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.
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