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CAL/OSHA Regulation 3406 (c) (1) Federal State Test 191 Method 5903.2 :

"(3) Tearing strength of the outer shell shall be a minimum of eight pounds in any direction.

(4) Flame resistance, including that of trim, shall not exceed:

(A) 2.0 seconds after-flame (maximum)

(B) 8.0 seconds after-glow (maximum).

(5) The outer shell and lining may char or discolor but must retain heat resistance as specified in Section 3406(b)(4) and shall not separate or melt when placed in a forced air laboratory oven at a temperature of 500 F (260o C) for a period of 5 minutes.

(c) Protective Clothing. Protective clothing, other than turnout clothing, shall meet the following minimum performance requirements:

(1) Flame Resistance. When tested in accordance with Federal Test 191, Method 5903.2, "Flame Resistance of Cloth, Vertical" (Standard small scale test), test results shall not exceed the following limits:

(A) 2.0 seconds after-flame (maximum)

(B) 8.0 seconds after-glow (maximum)

(C) 6.0 inches average char-length.

(2) Ignition of the material shall not produce any melting and dripping of molten or flaming material. It is specifically required that upon exposure to flaming ignition, or to heat sufficient to char the fabric, the material will not adhere to the skin of the wearer so as to cause or contribute to the severity of burns.