PDFWAC 296-17-901

Risk classification hazard group table.

Effective October 1, 2023.
Risk Classification
Hazard Group
101
9
103
9
104
8
105
4
106
7
107
9
108
9
112
8
201
9
202
9
210
9
212
8
214
9
217
7
219
7
301
5
302
9
303
9
306
9
307
7
308
3
403
6
502
7
504
8
507
9
508
9
509
9
510
7
511
7
512
8
513
7
514
7
516
8
517
9
518
9
519
8
521
7
540
8
541
9
550
9
551
9
601
8
602
9
603
9
604
7
606
3
607
6
608
7
701
9
803
5
901
8
1002
7
1003
5
1004
6
1005
8
1006
4
1007
7
1101
5
1102
8
1103
7
1104
4
1105
6
1106
3
1108
5
1109
7
1301
6
1303
4
1304
4
1305
6
1401
5
1404
3
1405
4
1407
3
1501
6
1507
4
1701
8
1702
9
1703
9
1704
7
1801
8
1802
8
2002
6
2004
2
2007
7
2008
3
2009
3
2101
5
2102
3
2103
2
2104
2
2105
3
2106
4
2201
3
2202
5
2203
2
2204
3
2401
6
2903
4
2904
7
2905
3
2906
6
2907
3
2908
4
2909
7
3101
6
3102
7
3103
7
3104
4
3105
5
3303
4
3304
3
3309
4
3402
6
3403
5
3404
4
3405
5
3406
1
3407
7
3408
2
3409
1
3410
1
3411
6
3412
8
3414
6
3415
6
3501
6
3503
3
3506
8
3509
1
3510
4
3511
6
3512
1
3513
3
3602
4
3603
6
3604
6
3605
4
3701
6
3702
3
3708
6
3802
4
3808
5
3901
1
3902
2
3903
2
3905
1
3906
3
3909
2
4101
4
4103
5
4107
6
4108
3
4109
4
4201
8
4301
4
4302
5
4304
5
4305
6
4401
3
4402
3
4404
4
4501
1
4502
6
4504
1
4802
5
4803
2
4804
3
4805
3
4806
1
4808
6
4809
4
4810
2
4811
3
4812
5
4813
3
4814
2
4815
1
4816
4
4900
8
4901
6
4902
4
4903
3
4904
2
4905
1
4906
3
4907
1
4908
1
4909
1
4910
5
4911
7
5001
9
5002
3
5003
9
5004
8
5005
9
5006
9
5101
7
5103
4
5106
4
5108
3
5109
6
5201
2
5204
8
5206
8
5207
2
5208
6
5209
6
5300
2
5301
5
5302
3
5305
3
5306
1
5307
4
5308
2
6103
1
6104
3
6105
6
6107
1
6108
1
6109
4
6110
4
6120
4
6121
4
6201
4
6202
4
6203
1
6204
2
6205
3
6206
1
6207
5
6208
1
6209
3
6301
8
6303
4
6305
1
6306
4
6308
5
6309
3
6402
1
6403
1
6404
3
6405
5
6406
1
6407
2
6408
7
6409
6
6410
2
6411
3
6501
1
6502
4
6503
2
6504
1
6505
1
6506
2
6509
2
6510
9
6511
1
6512
5
6601
4
6602
3
6603
2
6604
2
6605
2
6607
2
6608
9
6620
1
6704
1
6705
1
6706
3
6707
1
6708
6
6709
2
6801
2
6802
3
6803
9
6804
3
6809
1
6901
1
6902
8
6903
9
6904
6
6905
4
6906
1
6907
3
6908
5
6909
3
7100
4
7101
7
7103
5
7104
3
7105
3
7106
3
7107
1
7108
2
7109
3
7110
4
7111
5
7112
3
7113
3
7114
2
7115
3
7116
7
7117
4
7118
6
7119
5
7120
8
7121
7
7122
4
7200
7
7201
5
7202
3
7203
1
7301
6
7302
7
7307
2
7308
1
7309
1
7400
6
The following classes have no hazard group assigned to them
6618
 
6625
 
6626
 
6627
 
7204
 
7205
 
[Statutory Authority: RCW 51.18.005, 51.16.035, and 51.18.010(2). WSR 23-17-146, § 296-17-901, filed 8/22/23, effective 10/1/23. Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010 and 51.04.020(1). WSR 20-24-094, § 296-17-901, filed 11/30/20, effective 1/1/21; WSR 18-24-073, § 296-17-901, filed 11/30/18, effective 1/1/19; WSR 17-24-041, § 296-17-901, filed 11/30/17, effective 1/1/18 . Statutory Authority: RCW 51.18.010(2), 51.04.020. WSR 17-12-020, § 296-17-901, filed 5/30/17, effective 6/30/17. Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010, and 51.04.020(1). WSR 14-24-084, § 296-17-901, filed 12/1/14, effective 1/1/15; WSR 13-24-073, § 296-17-901, filed 11/30/13, effective 1/1/14. Statutory Authority: RCW 51.16.035 and 51.04.020(1). WSR 13-10-080, § 296-17-901, filed 5/1/13, effective 7/1/13. Statutory Authority: RCW 51.16.035, 51.16.100, 51.04.020(1), and 51.18.010. WSR 10-21-086, § 296-17-901, filed 10/19/10, effective 11/19/10.]