Schedule 2

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

TABLE 1

IMPERIAL SYSTEM Avoirdupois weights

	Limit of error in milligrams
Local or working standards of—	Local standard	Working standard
56 lb	400	1250
28 lb	200	650
14 lb	100	320
7 lb	50	160
4 lb	30	90
2 lb	15	45
1 lb	7	20
8 oz	3	10
4 oz	2	6
2 oz	1	3
1 oz	0.8	2.5
1/2 oz	0.7	2
1/4 oz	0.5	1.5
1/8 oz	0.5	1.5
1/16 oz	0.4	1.2
1/32 oz	0.3	1
50 lb	350	1100
20 lb	150	450
10 lb	70	220
5 lb	35	110

TABLE 2

Weights expressed as multiples or fractions of 1/7000 lb

TABLE 3

Troy weights

Local standard of ounces troy—	Limit of error in milligrams
500	250
400	200
300	150
200	100
100	50
50	25
40	20
30	15
20	10
10	5
5	2.5
4	2.0
3	1.5
2	1.0
1	1.0
0.5	0.7
0.4	0.6
0.3	0.6
0.2	0.5
0.1	0.4
0.05	0.4
0.04	0.3
0.03	0.3
0.025	0.3
0.02	0.25
0.01	0.22
0.005	0.18
0.004	0.16
0.003	0.15
0.002	0.13
0.001	0.11

TABLE 4

METRIC SYSTEM Metric weights other than carat (metric) weights

	Limit of error in milligrams
Local or working standards of—	Local standard	Working standard
20 kg	300	1000
10 kg	150	500
5 kg	75	250
2 kg	30	100
1 kg	15	50
500 g	7.5	25
200 g	3.0	10
100 g	1.5	5
50 g	1.0	3
20 g	0.8	2.5
15 g	0.7	2.2
10 g	0.6	2.0
5 g	0.5	1.5
4 g	0.5	1.5
3 g	0.4	1.2
2 g	0.4	1.2
1 g	0.3	1.0
500 mg	0.25	0.8
400 mg	0.25	0.8
300 mg	0.25	0.8
200 mg	0.20	0.6
150 mg	0.20	0.6
100 mg	0.15	0.5
50 mg	0.12	0.4
20 mg	0.10	0.3
10 mg	0.08	0.25
5 mg	0.06	0.20
2 mg	0.06	0.20
1 mg	0.06	0.20

TABLE 5

Carat (metric) weights

TABLE 6

Test weights

Imperial weight	Limit of error	Metric weight	Limit of error
11200 lb	500 g
4480 lb	200 g	5000 kg	500 g
2240 lb	100 g	2000 kg	200 g
1120 lb	50 g	1000 kg	100 g
1008 lb	50 g	500 kg	50 g
560 lb	20 g	250 kg	20 g
448 lb	20 g	200 kg	20 g
224 lb	10 g	100 kg	10 g
112 lb	5 g	50 kg	5 g