Tables to Subpart I of Part 84

Tables to Subpart I of Part 84

Table 5 - Canister Bench Tests and Requirements for Front-Mounted and Back-Mounted Gas Mask Canisters

[42 CFR part 84, subpart I]

Canister type	Test condition	Test atmosphere			Number of tests	Maximum allowable penetratin (parts per million)	Minimum service life (minutes)1
		Gas or vapor	Concentration (parts per million)	Flow rate (liters per minute)
Acid gas	As received	SO2	20,000	64	3	5	12
	Equilibrated	Cl2	20,000	64	3	5	12
		SO2	20,000	32	4	5	12
		Cl2	20,000	32	4	5	12
Organic vapor	As received	CCl4	20,000	64	3	5	12
	Equilibrated	CCl4	20,000	32	4	5	12
Ammonia	As received	NH3	30,000	64	3	50	12
	Equilibrated	NH3	30,000	32	4	50	12
Carbon monoxide	As received	CO	20,000	4 64	2	(3)	60
	Equilibrated	CO	5,000	2 32	3	(3)	60
		CO	3,000	2 32	3	(3)	60
Combination of 2 or 3 of above types5
Combination of all above types6

¹ Minimum life will be determined at the indicated penetration.

² Relative humidity of test atmosphere will be 95 ±3pct; temperature of test atmosphere will be 25 ±2.5 °C.

³ Maximum allowable CO penetration will be 385 cm³ during the minimum life. The penetration shall not exceed 500 p/m during this time.

⁴ Relative humidity of test atmosphere will be 95 ±3pct; temperature of test atmosphere entering the test fixture will be 0 ±2.5 °C−0 °C.

⁵ Test conditions and requirements will be applicable as shown in this table.

⁶ Test conditions and requirements will be applicable as shown in this table, except the minimum service lives for acid gas, organic vapor, and ammonia will be 6 min instead of 12 min.

Table 6 - Canister Bench Tests and Requirements for Chin-Style Gas Mask Canisters

[42 CFR part 84, subpart I]

Canister type	Test condition	Test atmosphere			Number of tests	Maximum allowable penetration (parts per million)	Minimum service life (minutes)1
		Gas or vapor	Concentration (parts per million)	Flow rate (liters per minute)
Acid gas	As received Equilibrated	SO2	50,000	64	3	5	12
		Cl2	5,000	64	3	5	12
		SO2	5,000	32	4	5	12
		Cl2	5,000	32	4	5	12
Organic vapor	As received Equilibrated	CCl4	5,000	64	3	5	12
		CCl4	5,000	32	4	5	12
Ammonia	As received Equilibrated	NH3	5,000	64	3	50	12
	As received Equilibrated	NH3	5,000	32	4	50	12
Carbon monoxide	As received	CO	20,000	2 64	2	(3)	60
		CO	5,000	4 32	3	(3)	60
		CO	3,000	2 32	3	(3)	60
Combination of 2 or 3 of above types5
Combination of all above types6

¹ Minimum life will be determined at the indicated penetration.

² Relative humidity of test atmosphere will be 95 ±3pct; temperature of test atmosphere will be 25 ±2.5 °C.

³ Maximum allowable CO penetration will be 385 cm³ during the minimum life. The penetration shall not exceed 500 p/m during this time.

⁴ Relative humidity of test atmosphere will be 95 ±3pct; temperature of test atmosphere entering the test fixture will be 0 ±2.5 °C−0 °C.

⁵ Test conditions and requirements will be applicable as shown in this table.

⁶ Test conditions and requirements will be applicable as shown in this table, except the minimum service lives for acid gas, organic vapor, and ammonia will be 6 min instead of 12 min.

Table 7 - Canister Bench Tests and Requirements for Escape Gas Mask Canisters

[42 CFR part 84, subpart I]

Canister type	Test condition	Test atmosphere			Number of tests	Maximum allowable penetration (parts per million)	Minimum service life (minutes)1
		Gas or vapor	Concentration (parts per million)	Flow rate (liters per minute)
Acid gas	As received	SO2	5,000	64	3	5	12
	Equilibrated	Cl2	5,000	64	3	5	12
		SO2	5,000	32	4	5	12
		Cl2	5,000	32	4	5	12
Organic vapor	As received	CCl4	5,000	64	3	5	12
	Equilibrated	CCl4	5,000	32	4	5	12
Ammonia	As received	NH3	5,000	64	3	50	12
	Equilibrated	NH3	5,000	32	4	50	12
Carbon monoxide	As received	CO	10,000	2 32	2	(3)	4 60
		CO	5,000	5 32	3	(3)	60
		CO	3,000	2 32	3	(3)	60

¹ Minimum life will be determined at the indicated penetration.

² Relative humidity of test atmosphere will be 95 ±3 pct; temperature of test atmosphere will be 25 ±2.5 °C.

³ Maximum allowable CO penetration will be 385 cm³ during the minimum life. The penetration shall not exceed 500 p/m during this time.

⁴ If effluent temperature exceeds 100 °C during this test, the escape gas mask shall be equipped with an effective heat exchanger.

⁵ Relative humidity of test atmosphere will be 95 ±3 pct; temperature of test atmosphere entering the test fixture will be 0 ±2.5 °C−0 °C.