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REFRIGERATION

[F] DEGREES OF HAZARD a — — — 2-0-0 b 2-0-0 b 2-0-0 b 2-0-0 b 2-0-0 b 2-0-0 b 2-0-0 b — 2-0-0 c 2-0-0 b 2-0-0 b — 2-1-0 — — — — — — — — — — — — — — — — — —

OEL e 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 970 1,000 990 1,000 1,000 1,000 1,000 1,000 700 880 950 790 1,000 1,000 1,000 1,000 990 990 990 1,000 1,000 1,000
AMOUNT OF REFRIGERANT PER OCCUPIED SPACE

g/m 3 77 67 74 190 280 330 290 250 290 260 260 310 100 260 83 290 370 13 21 11 2.1 5.5 8.1 6.6 320 17 8.1 8.1 82 79 76 31 6.3 330

ppm 22,000 15,000 17,000 45,000 61,000 69,000 63,000 56,000 62,000 58,000 57,000 59,000 23,000 72,000 20,000 79,000 83,000 6,300 8,000 5,500 1,200 3,100 4,500 3,600 73,000 8,500 4,000 4,000 19,000 20,000 26,000 12,000 3,200 100,000

Pounds per 1,000 cubic feet 4.8 4.2 4.6 12 17 21 18 16 18 16 16 19 6.2 16 5.2 18 23 0.81 1.3 0.69 0.13 0.34 0.51 0.41 20 1.1 0.50 0.51 5.0 4.9 4.7 1.9 0.39 21

TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL REFRIGERANT CLASSIFICATION A2 A2 A2 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A3 A3 A3 A3 A3 A3 A3 A1 A3 A3 A3 A1 A1 A2 A2 A3 A1 (continued)

CHEMICAL NAME OF BLEND R-290/22/152a (1.5/96.0/2.5) R-125/134a/E170 (77.0/19.0/4.0) R-125/134a/E170 (48.5/48.0/3.5) R-134a/142b (88.0/12.0) R-125/134a (58.0/42.0) R-125/134a (85.0/15.0) R-125/134a/600a (85.1/11.5/3.4) R-125/134a/600a (55.0/42.0/3.0) R-125/134a/600a (82.0/15.0/3.0) R-125/134a/600a (65.1/31.5/3.4) R-125/134a/600a (58.0/39.3/2.7) R-134a/227ea (52.5/47.5) R-125/134a/600a/600/601a (50.5/47.0/0.9/1.0/0.6) R-32/134a/227ea (18.5/69.5/12.0)

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CHEMICAL REFRIGERANT R-418A R-419A R-419B R-420A R-421A R-421B R-422A R-422B R-422C R-422D R-422E R-423A R-424A R-425A R-426A R-427A R-428A R-429A R-430A R-431A R-432A R-433A R-433B R-433C R-434A R-435A R-436A R-436B R-437A R-438A R-439A R-440A R-441A R-442A

2018 INTERNATIONAL MECHANICAL CODE  103
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