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Kind of gas

Maximum per mitted Alling density, Note 1

Required type of tank car, Note 2

Percent Liquefied petroleum gas (pressure not exceeding Note 3...

225 pounds per square inch at 105° F.). Liquefied petroleum gas (pressure not exceed. Note 3...

ing 300 pounds per square inch at 105° F.). Liquefied petroleum gas (pressure not exceed. Note 3....

ing 375 pounds per square inch at 1050 F.). Liquefied petroleum gas (pressure not exceeding Note 3...

300 pounds per square Inch at 115° F.). Liquefied petroleum gas (pressure not exceed- Note 4......

ing 375 pounds per square inch at 130° F.). Liquefied petroleum gas (pressure not exceed Note 3...

ing 450 pounds per square inch at 105° F.) Methyl acetylene--15% to 20% propadiene 56.

mixture. Methyl chloride.....

84..

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ICC-105A 300-W, Notes 5 and 9.
ICC-105A 400-W, Notes 8 and 9
ICC-105A 500-W, Notos 5 and 9.
ICC-112A 400–F, 112A 400-W, Notes 5 and 9.
ICC-106A500, 106A500X.
ICC-105A 600-W, Notes 8 and 9.
ICC-105A 300-W.
ICC-106A500, 106A 500X, Note 12.
ICC-105 A300-W, Note 9.
ICC-106A 500, 106A500X, Notes 12 and 20.
ICC-105A300-W, Note 9.
ICC-110 A800-W, Notes 12 and 19.
ICC-106A 500, 106A500X, 110A500–W, Note 12
ICO-105 A 300-W.
ICC-106A 500, 106A500X, 110A500-W, Note 12.
ICC-106 A 500, 106 A500X.
ICC-105A300-W, Note 9.
ICC-107A.
ICC-106 A500, 106A500X.
ICC - 105 A 300 - W, 109A 300 W, ICC.

109 A 300 AL-W, Note 5.
ICC-106A 500, 106A 500X.
ICC-105A 100-AL-W, 109A 100-AL-W, Note 5
ICC-106A800-NCI, 106A800-X-NC, Notes 12

and 17. ICC-105 A 300-W, Note 15. ICO-107A. ICC-106A 500. 106A500X, 110A500-W, Note 12 ICC-105 A 200-W. ICC-106A 500, 106A500X, 110A 500-W, Note 12. ICC-105A300-W, Note 9. ICC-106 A 500, 106A 600X. ICC-105A300-W, Note 9. ICC-106 A 500, 106A500-X, Note 12. ICC-105 A 200-W, Notes 9 and 22. ICC-105 A 600-W. Note 23. ICC-105A 100, 105A 100-W, 105A300-W, Note 9. ICC-106A500, 106A 500-X, Note 12.

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(Table revised by Order 29, 22 F. R. 2227. Apr. 1967, as amended by Order 31, 22 F. R. 4791, July 9, 1957; Order 82, 22 F. R. 7837, Oct. 3, 1957; Order 34, 28 F. R. 2927, Apr. 10, 1968; Order 35, 23 F.R. 4030, June 10, 1958; Order 39, 24 F.R. 5640, July 14, 1959; Order 40, 24 FR. 8059, Oct. 6, 1959; Order 41, 24 F.R. 10111, Dec. 15, 1959; Order 42, 25 F.R. 3102, Apr. 12, 1960; Order 44, 25 FR. 10395, Oct. 29, 1960; Order 45, 26 F.R. 1016, Feb. 2, 1961; Order 48, 26 F.R. 4996, June 6, 1961; Order 51, 26 F.R. 9402, Oct. 6, 1961; Order 53, 26 F.R. 12703, Dec. 29, 1961]

.

NOTE 2: Unless otherwise specifically provided, when class 105A-W, 105A-AL-W, 106A500, 106A500-X, 109A-AL-W, 110A500_W, or 112A-W tank cars are prescribed, the same class tank cars having higher marked test pressures than those prescribed may also be used. (Note 2 amended, Order 48, 26 F.R. 4996, June 6, 1961)

Prior Amendments 1957: 22 F.R. 4791, July 9; 22 F.R. 7837, Oct. 3. 1960: 25 F.R. 3102, Apr. 12

NOTE 3: (a) Maximum permitted filling density in lagged (insulated) single-unit tank cars transporting liquefied petroleum gas or butadiene of specific gravity shown, taken at 60 degrees Fahrenheit. (No change in table.)

NOTE 3: (b) For shipments made in lagged (insulated) single-unit tank cars during the months of November to March, inclusive, the following illing densities may be used in lleu of those specified in the table in Note 3 (a). When these filling densities are used, tank cars must be shipped directly to consumers for unloading. Storage in transit is not permitted. (No change in table.) (Note 3, paragraphs (a) and (b) amended by Order 32, 22 F. R. 7837, Oct. 3, 1957)

NOTE 3: (c) Maximum permitted filling density in unlagged (uninsulated) singleunit tank cars transporting liquefied petroleum gas of specific gravity shown, taken at 60 degrees Fahrenheit.

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0.800 0.501. 0.502. 0.503 0.504. 0.505. 0.506. 0.507. 0.508. 0.509. 0.510.. 0.511. 0.512. 0.513. 0.514. 0.515. 0.516. 0.517. 0.518 0.519 0.520. 0.521. 0.522. 0.523 0.524. 0.525. 0.526. 0.527 0.528. 0.529. 0.530. 0.531. 0.532. 0.533. 0.534. 0.535. 0.536. 0.537 0.538. 0.539. 0.540. 0.541. 0.542 0.543. 0.544. 0.545. 0.546. 0.547. 0.548. 0.849.

44.88 45.00 45. 13 45. 25 45. 38 45. 50 45. 60 45.70 45. 80 45. 90 46.00 46. 13 46. 25 46. 38 46. 50 46. 63 46.75 46.88 47.00 47.13 47. 25 47. 38 47.50 47.63 47. 75 47.88 48.00 48. 13 48. 25 48. 38 48. 50 48. 63 48. 75 48.88 49.00 49. 13 49. 25 49. 30 49. 50 49.60 49. 70 49.88 49.90 50.00 50. 13 50. 25 50. 38 50.50 50.63 50. 75

0.550. 0.551. 0.552. 0.553 0.354. 0.555. 0.556. 0.557. 0.558. 0.559. 0.560. 0.561 0.562. 0.563. 0.564. 0.565. 0.566. 0.567. 0.568. 0.569. 0.570. 0.571. 0.572. 0.573. 0.574. 0.575. 0.576. 0.577. 0.578. 0.579. 0.580. 0.581. 0.582. 0.583. 0.584. 0.585. 0.586 0.587 0.588. 0.589. 0.590. 0.591 0.592. 0.593. 0.594. 0.595. 0.596. 0.597 0.598. 0.599.

50.88 61.00 81. 13 61. 25 51. 38 51. 50 51. 60 31. 70 51. 80 51.90 52.00 52. 13 52. 26 52. 38 52. 50 52. 63 52.75 52. 88 53.00 53. 10 53. 20 53. 30 53. 40 53. 50 53. 63 53. 75 53. 88 54. 00 54. 10 54. 20 54. 30 54. 40 54. 50 54. 63 34. 75 54. 88 55.00 55. 13 55. 25 55. 38 55. 50 55. 60 55. 70 55. 80 55. 90 56.00 56. 13 56. 25 56. 38 56. 50

0.526. 0.527 0.528 0.529. 0.530. 0.531 0.532. 0.533. 0.534. 0.535. 0.536. 0.637. 0.538. 0.539. 0.840. 0.841. 0.642. 0.543. 0.344. 0.545. 0.546. 0.547 0.848. 0.849. 0.550. 0.551. 0.552. 0.553. 0.554. 0.555. 0.556. 0.557. 0.558. 0.559. 0.560. 0.561. 0.562. 0.563. 0.564. 0.565. 0.566. 0.567 0.568. 0.569. 0.570. 0.571. 0.572. 0.573. 0.574. 0.575. 0.576. 0.577 0.578. 0.579. 0.580.

49. 75 49.88 50.00 50. 10 50.20 50. 30 50. 40 80.60 50. 63 50.75 50. 88 51.00 51. 10 51. 20 51.30 51. 40 51.50 51.63 51.75 51.88 52.00 52, 10 52. 20 52. 30 52. 40 52. 50 52. 63 52. 75 52. 88 53.00 53. 10 53. 20 53. 30 53. 40 53. 50 53. 63 53. 75 53. 88 54.00 54. 10 54. 20 54.30 54. 40 54. 50 54.60 54. 70 54. 80 54. 90 55.00 55. 13 55. 25 55.38 55, 50 55. 60 55. 70

0.581. 0.582. 0.583. 0.584. 0.585. 0.586 0.587 0.568 0.589 0.590. 0.591. 0.592. 0.593. 0.594. 0.595 0.596. 0.597 0.598 0.599. 0.600 0.601. 0.602. 0.603. 0.604. 0.605 0.606. 0.607. 0.608. 0.609. 0.610. 0.611. 0.612. 0.613, 0.614. 0.615. 0.616. 0.617. 0.618. 0.619. 0.620. 0.621. 0.622 0.623. 0.624. 0.625. 0.626. 0.627 0.628. 0.629. 0.630. 0.631. 0.632. 0.633. 0.634. 0.635.

35. 80 55.90 56.00 56. 13 56.25 56. 38 56. 50 56. 60 56. 70 56.80 56. 90 57.00 57.10 57. 20 57.30 67. 40 57.50 57. 60 57.70 57. 80 57. 90 58.00 58. 13 58. 25 58. 38 58. 50 58. 63 58. 75 58. 88 59.00 59. 10 59. 20 59. 30 59. 40 59. 50 59. 63 59. 75 59.88 59. 97 60.07 60. 18 60.28 60.38 60. 49 60. 59 60. 70 60.80 60.90 61.01 61. 11 61.18 61. 28 61.38 61.47 61. 57

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NOTE 3: (d) For shipments made in unlagged (uninsulated) single-unit tank cars, during the months of November to March, Inclusive, the following filling densities may be used in lieu of those specified in Note 3 (c). When these Alling densities are used, tank cars must be shipped directly to consumers for unloading. Storage in transit 18 not permitted.

[Note 3, paragraphs (c) and (d) added by Order 32, 22 F. R. 7837, Oct. 3, 1967)

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NOTE 8: For tank cars other than ICC106A type used for the transportation of chlorine, interior pipes of liquid discharge valves must be equipped with excess-flow valves of approved design. (Note 8 amended, Order 48, 26 F.R. 4996, June 6, 1961)

Prior Amendments 1967: 22 F.R. 2227, Apr. 4.

NOTE 9: For tank cars other than ICC106A type used for the transportation of liquefied flammable gases, interior pipes of loading and unloading valves must be

48. 30 48. 40 48. 50 48. 63 48.75 48. 88 49.00 49. 10 49. 20 49.30 49. 40 49. 5) 49. 63

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equipped with excess-flow valves of approved design. (Note 9 amended, Order 48, 26 F.R. 4996, June 6, 1961)

NOTE 11: Before an ICC-105A500-W or ICC-106A600-W ($$ 78.288 or 78.289 of this chapter) tank car may be used for the transportation of liquefied carbon dioxide, the following requirements must be met: Tank must be lagged with an approved insulation material of a thickness 60 that the thermal conductance is not more than 0.03 B. t. u. per square foot per degree F. differential in temperature per hour; except that the insulation thickness directly over the center sills may be reduced to give thermal conductance not exceeding 0.04 B. t. u. per square foot, per degree F. differential in temperature per hour; this reduction is to permit an anchorage which must not exceed seven (7) inches from top of center sills to bottom of tank. Tank must be equipped with one safety valve of approved design set to open at a pressure not exceeding three-fourths of the test pressure of the tank and one frangible disc device of approved design set to function at a pressure less than the test pressure of the tank. The discharge capacity of each of these safety devices must be suficient to prevent building up of pressure in tank in excess of three-fourths of the test pressure of the tank. Tanks must be equipped with two (2) pressure-regulating valves of approved design, set to open at a pressure not to exceed 350 pounds per square Inch on 105A500-W ($ 78.288 of this chapter) tanks and at a pressure not to exceed 400 pounds per square inch on 105A600-W (878.289 of this chapter) tanks. Each regulating valve and safety device must have its final discharge piped to the outside of the protective housing. (Note 11 amended by Order 31, 22 F. R. 4791, July 9, 1957)

Prior Amendments 1957: 22 F. R. 2227, Apr. 4.

NOTE 12: Tanks complying with ICC-106A or ICC-110A (9$ 78.275, 78.276, 78.293, or 78.295 of this chapter) specifications, used for the transportation of compressed gases as authorized in $ 73.314 (a), may be transported on trucks or semitrallers only, when securely chocked or clamped thereon to prevent shifting, and provided adequate facilities are present for handling tanks where transfer in transit is necessary. See $ 74.560 of this chapter for rail freight-motor vehicle shipments. (Note 12 amended by Order 34, 23 F. R. 2327, Apr. 10, 1958)

Prior Amendments 1957: 22 F. R. 2227, Apr. 4; 22 F. R. 3925,

June 5; 22 F. R. 4791, July 9.

60,000 pounds, except that not more than 110,000 pounds nor less than 107,800 pounds of chlorine may be loaded in such cars 11 Insulated with 4 inches of corkboard and constructed, maintained, and retested in full compliance with I.C.C. Specification 105A500-W. Cars may be registered and jackets stenciled either 105A300-W OT 105A500-W and equipped with the safety valve required by the specification to which registered. (Note 18 amended by Order 42, 25 F.R. 3102, Apr. 12, 1960]

Prior Amendments 1957: 22 FR. 2227, Apr. 4.

NOTE 19: This gas may be transported in authorized tank car tanks stenciled "DISPERSANT GAS," or "REFRIGERANT GAS." (Note 19 amended by Order 45, 26 F.R. 1016, Feb. 2, 1961)

Prior Amendments 1958: 23 F.R. 2327, Apr. 10.

NOTE 20: Container shall not be equipped with safety devices of any description. (Note 20 added by Order 29, 22 F. R. 2227, Apr. 4, 1957)

NOTE 21: A Alling density of 58.8 percent may be used during the months of November to March, inclusive. When this filling density is used, tank cars must be loaded and shipped directly to consumers for unloading. Storage in transit 18 not permitted. (Note 21 amended by Order 34, 23 F. R. 2327, Apr. 10, 1958)

Prior Amendments 1957: 22 F. R. 7837, Oct. 3.

NOTE 22: Openings in tank heads to facillate application of nickel lining are authorized and must be closed in an approved manner. NOTE Before

ICC-105A600_W ($ 78.289 of this chapter) tank car may be used for the transportation of vinyl fluoride, inhibited, the following requirements must be met: Tank must be lagged with an approved insulation material of a thickness so that the thermal conductance is not more than 0.03 B.t.u. per square foot per degree F. differential in temperature per hour; except that the insulation thickness directly over center sills may be reduced to give thermal conductance not exceeding 0.04 B.t.u. per square foot per degree F. differential in temperature per hour; this reduction is to permit an anchorage which must not exceed seven inches from top of center sills to bottom of tank. In addition to the safety valve required by $ 78.289–13, the tank must be equipped with one frangible disc device of approved design set to function at & pressure less than 600 pounds per square inch but not less than 450 pounds per square inch. The discharge capacity of each of these safety devices must be sufficient to prevent building up of pressure in tank in

23:

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NOTE 18: The quantity of chlorine loaded into a single-unit tank car must not exceed

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excess of 495 pounds per square inch. Each safety device must have its final discharge piped to the outside of the protective housing. The temperature of the vinyl fluoride, inhibited when the car is offered in transportation shall not exceed zero degrees F. and the pressure shall not exceed 105 pounds per square inch. The shipper shall notify the Bureau of Explosives whenever a car is not received by the consignee within 30 days from the date of shipment. [Notes 22 and 23 added by Order 51, 26 F.R. 9402, Oct. 6, 1961)

(b) The gas pressure at 105° F. in any lagged tank of tank cars of spec. 105A100, 105A100-W, 105A100AL-W, 105A200-W, 105A200AL-W, 105A300_W, 105A300ALW, 105A400-W, 105A500-W, 105A600-W, 109A300-W, 109A100AL-W, 109A200AL

109A300AL-W, or 111A100-W-4 ($ 78.270, 78.285, 78.294, 78.307, 78.308, 78.286, 78.300, 78.287, 78.288, 78.289, 78.301, 78.302 78.313, 78.314, or 78.306 of this chapter); at 115° F. in any unlagged tank of tank cars of spec. 112A400-W or 112A500-W ($ 78.312 or 78.290 of this chapter); and at 130° F. in any unlagged tank of tank cars of spec. 106A500, 106A500-X, 106A800, 106A800-X, 110A500-W, or 110A800-W ($ 78.275, 78.276, 78.293, or 78.278 of this

chapter) must not exceed three-fourths times the prescribed retest pressure of the tank. The gas pressure at 130° F. in any unlagged tank of tank cars of the 107A ($ 78.277 of this chapter) series must not exceed seven-tenths of the marked test pressure of the tank.

NOTE: No change in Note 1. (Paragraph (b) amended, Order 48, 26 F.R. 4996, June 6, 1961)

Prior Amendments 1957: 22 F.R. 2227, Apr. 4; 22 F.R. 4791, July

9; 22 F.R. 7837, Oct. 3. (c) The liquid portion of the gas at 105° F. must not completely fill a lagged tank nor at 130° F. completely fill an unlagged tank except that the liquid portion of the gas at 115° F. must not completely fill an unlagged tank of spec. 112A400-W or 112A500-W ($ 78.312 or 78.290 of this chapter). (Paragraph (c) amended, Order 48, 26 F.R. 4996, June 6, 1961)

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W

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Maximum permitted filling

density

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Kind of gas

Percent by weight (see

Note 1)

Percent by volume (see par. Type (see Note 2) (1) of this section)

437

Anhydrous ammonia..

56. Anhydrous dimethylamine.

59. Anhydrous monomethylamine.

60. Anhydrous trimethylamine.

57 Aqua ammonia solution containing See par. (c) of anhydrous ammonia.

Specification container required

Minimum design
pressure (psig)

82; see Note 5.
See Note 7..
See Note 7.
See Note 7.
See Note 7.

ICC-51, MC-330.. 265.
ICC-51, MC-330.. 150.
ICC-51, MC-330.. 150.
ICC-51, MC-330.. 150.
MC 330; see Note 100; see subpar.
12.

(c)(1) of this

section. ICC-51, MC 330.. 100.

See par. (b) of

this section,

95.

ICC-51, MC-330.. 200; see Note 3.

See Note 7.....

MC-330..

See Note 7....
See Note 7...

ICC-51, MC-330.
MC 330..

225; see Notes 4

and 8.
150,
250.

this section. Butadiene, inhibited...

See par. (b)

of this sec

tion. Carbon dioxide, liquefied..

See par. (c) of

this section. Chlorine..

125. Dichlorodifluoromethane (see Note 9). 119. Dichlorodifluoromethane and difluoro- See par. (c) of

ethane mixture (constant boiling this section.

mixture) (see Note 9). Dichlorodifluoromethane-dichlorotet- 119...

rafluoroethane mixture (see Note 9). Dichlorodifluoromethane-monofluoro- See par. (c)

trichloromethane mixture (see Note of this 9).

section, Difuoroethane.

79 Hexafluoropropylene.

110. Liquefied petroleum gas..

See par. (b) of

this section, Methyl chloride.. Methyl chloride (optional portable 84.

tank 2,000 pounds water capacity,

fusible plug). Methyl mercaptan.

80 Monochlorodifluoromethane (see Note 105.

9).

See Note 7....-

ICC-51, MC-330.. 150.
ICC-51, MC-330.. 150.

See Note 7.....

See Note 7.
See Note 7.
Soe par. (b) of

this section.
88.5.
See Note 6....

MC-330

150 MC-330

250. ICC-51, MC-330. See subpar. (c)

(1) of this section, ICC-51, MC-330.. 150. ICC-51.

225.

84.

90..
See Note 7.

ICC-51, MC-330 - 100.
ICC-51, MC-330. 250,

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(Table revised by Order 34, 23 F.R. 2327, Apr. 10, 1958, as amended by Order 37, 24 PR. 006, Feb. 6, 1959; Order 39, 24 F.R. 5840, July 14, 1959; Order 41, 24 F.R. 10111, Dec. 16, 1950: Order 43, 25 F.R. 6627, July 14, 1960; Order 48, 26 F.R. 4997, June 6, 1961; Order 51, 26 F.R. 9402, Oct. 6, 1961; Order 53, 26 F.R. 12704, Dec. 29, 1961)

Prior Amendments 1967: 22 F. R. 7833, Oct. 8.

NOTE 3: If cargo tanks and portable tank containers for carbon dioxide and nitrous oxide are designed to comply with the requirements for "Low Temperature Operation of the A.S.M.E. Boller and Pressure Vessel Code, Section VIII, Unfired Pressure Vessels,” the design pressure may be reduced to 100 psig or the controlled pressure, whichever is greater. (Note 3 amended by Order 53, 26 F.R. 12704, Dec. 29, 1961)

Prior Amendments 1958: 23 F.R. 2327, Apr. 10.

are offered in transportation shall not exceed zero degrees F. and the pressure shall not exceed 105 pounds per square inch and the minimum filling density shall not be less than 60%. The shipper shall notify the Bureau of Explosives whenever a shipment is not received by the consignee within 5 days from the date of shipment. Shipments are authorized for transportation by private or contract carrier by motor vehicle only. (Note 11 added by Order 51, 26 F.R. 9402, Oct. 6, 1961)

NOTE 12: No aluminum, copper, silver, zinc, or alloy of any of these metals shall be used in the cargo tank construction where it can come into contact with the lading. (Note 12 added by Order 53, 26 FR. 12704, Dec. 29, 1961)

(b) Maximum permitted filling densities for cargo and portable tank containers for transportation of butadiene, inhibited, and liquefied petroleum gas are as follows: (Introductory text amended by Order 84, 28 F.R. 2327, Apr. 10, 1958)

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Maximum permitted Olling density in percent of the water-weight capacity of the

tanks

NOTE 11: Before an MC 330 ($ 78.336 of this chapter) cargo tank may be used for the transportation of vinyl fluoride, inhibited, the following requirements must be met: Tanks must be designed for a service temperature of minus 100° F. or below and comply with the requirements for “Low Temperature Operation of the A.S.M.E. Boiler and Pressure Vessel Code, Section VIII, Unfired Pressure Vessels." Tanks must be lagged with an approved Insulation material of a thickness so that the thermal conductance is not more than 0.03 B.t.u. per square foot per degree F. differential in temperature per hour. The temperature of vinyl fluoride, inhibited, when cargo tanks

Maximum specific gravity of the liquid material at 60° F.

Maximum permitted

Alling density by

volume

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See Note 1.

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