75‑07‑0 Acetaldehyde **C** 25 ppm TLV {**C** 45 mg/m^3^} G-A3, I-2B,
N-2, CP65

16568‑02‑8 Acetaldehyde Methylformylhydrazone n.o.s. CP65

60‑35‑5 Acetamide n.o.s. I-2B, CP65

34256‑82‑1 Acetochlor n.o.s. CP65

53‑96‑3  2-Acetylaminofluorene IS \[1910.1003\] O, N-2, CP65

62476‑59‑9 Acifluorfen n.o.s. CP65

79‑06‑1 Acrylamide I*S* 0.03 mg/m^3^ TLV G-A3, I-2A, N-2, CP65

107‑13‑1  Acrylonitrile \[1910.1045\] IS 2 ppm PEL {4.3 mg/m^3^} O,
G-A3, I-2B, N-2, CP65

77536‑66‑4  Actinolite \[asbestiform\] I 0.1 f/cc PEL O, G-A1, I-1, N-1

50‑76‑0 Actinomycin D n.o.s. CP65

23214‑92‑8 Adriamycin^®^ n.o.s. I-2A, N-2, CP65

3688‑53‑7 AF-2\[2-(2-Furyl)-3-(5-nitro-2-furyl)acrylamide\] n.o.s. I-2B,
CP65

6795‑23‑9 Aflatoxin M1 n.o.s. I-2B, CP65

1402‑68‑2  Aflatoxins I*G* n.o.s. I-1, N-1, CP65

15972‑60‑8 Alachlor n.o.s. CP65

309‑00‑2 Aldrin *S* 0.25 mg/m^3^ PEL G-A3, CP65

0‑64‑0  Aluminum Production I n.o.s. I-1

61‑82‑5 3-Amino-1,2,4-triazole 0.2 mg/m^3^ PEL G-A3, N-2, CP65

82‑28‑0 1-Amino-2-methylanthraquinone I n.o.s. N-2, CP65

119‑34‑6 4-Amino-2-nitrophenol n.o.s. CP65

81‑49‑2 1-Amino-2,4-dibromoanthraquinone n.o.s. CP65

712‑68‑5 2-Amino-5-(5-nitro-2-furyl)-1,3,4-thiadiazole n.o.s. I-2B, CP65

6109‑97‑3 3-Amino-9-ethylcarbazole Hydrochloride n.o.s. CP65

26148‑68‑5 A-*alpha*-C(2-Amino-9H-pyrido\[2,3-*b*\]indole) n.o.s. I-2B,
CP65

117‑79‑3 2-Aminoanthraquinone n.o.s. N-2, CP65

60‑09‑3 *p*-Aminoazobenzene n.o.s. I-2B, CP65

97‑56‑3 *o*-Aminoazotoluene n.o.s. I-2B, N-2, CP65

92‑67‑1  4-Aminobiphenyl IS \[1910.1003\] O, G-A1, I-1, N-1, CP65

92‑67‑1  4-Aminodiphenyl IS \[1910.1003\] O, G-A1, I-1, N-1, CP65

153‑78‑6 2-Aminofluorene n.o.s. CP65

91‑59‑8  2-Aminonaphthalene \[1910.1003\] O, G-A1, I-1, N-1, CP65

61‑82‑5 Amitrole 0.2 mg/m^3^ PEL G-A3, N-2, CP65

7788‑98‑9  Ammonium Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

7789‑09‑5  Ammonium Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

12172‑73‑5  Amosite I 0.1 f/cc PEL O, G-A1, I-1, N-1

51264‑14‑3 Amsacrine n.o.s. I-2B

0‑25‑0  Analgesic Mixtures Containing Phenacetin n.o.s. I-1, N-1, CP65

0‑19‑0 Androgenic (anabolic) steroids n.o.s. I-2A

62‑53‑3 Aniline S 2 ppm TLV {7.6 mg/m^3^} G-A3, CP65

142‑04‑1 Aniline Hydrochloride n.o.s. CP65

90‑04‑0 *o*-Anisidine S 0.5 mg/m^3^ PEL {0.1 ppm} G-A3, I-2B, CP65

29191‑52‑4 *o*-Anisidine S 0.5 mg/m^3^ PEL {0.1 ppm} G-A3, I-2B

134‑29‑2 *o*-Anisidine Hydrochloride n.o.s. N-2, CP65

77536‑67‑5  Anthophyllite \[asbestiform\] I 0.1 f/cc PEL O, G-A1, I-1,
N-1

1309‑64‑4 Antimony Trioxide I 0.5 mg/m^3^ PEL I-2B, CP65

140‑57‑8 Aramite^®^ n.o.s. I-2B, CP65

0‑01‑0 Aristolochic Acids (naturally occurring mixtures) n.o.s. I-2A

11097‑69‑1 Aroclor^®^ 1254 {PCBs} S 0.5 mg/m^3^ PEL G-A3, I-2A, N-2,
CP65

11096‑82‑5 Aroclor^®^ 1260 {PCBs} S n.o.s. N-2, CP65

10102‑53‑1  *m*-Arsenic Acid IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7778‑39‑4  *o*-Arsenic Acid IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7774‑41‑6  Arsenic Acid Hemihydrate IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

1303‑32‑8  Arsenic Disulfide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7440‑38‑2  Arsenic, Inorganic \[1910.1018\] - \[see specific compound\]
IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

1303‑28‑2  Arsenic Pentoxide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7784‑33‑0  Arsenic Tribromide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7784‑34‑1  Arsenic Trichloride IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

7784‑35‑2  Arsenic Trifluoride IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

7784‑45‑4  Arsenic Triiodide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

1327‑53‑3  Arsenic Trioxide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

1303‑36‑2  Arsenic Triselenide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

1303‑33‑9  Arsenic Trisulfide IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

8024‑75‑9  Arsenical Dip IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

14060‑38‑9  Arsenious Acid IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

0‑70‑0 Art Glass, Glass Containers, and Pressed Ware (manufacture of) I
n.o.s. I-2A

1332‑21‑4  Asbestos I 0.1 f/cc PEL O, G-A1, I-1, N-1, CP65

8052‑42‑4 Asphalt (Petroleum) Fumes I 0.5 mg/m^3^ TLV I-2B, CP65

12174‑11‑7 Attapulgite (long fibers, \> 5 µm) I n.o.s. I-2B, CP65

0‑65‑0  Auramine (manufacture of) n.o.s. I-1

492‑80‑8 Auramine (technical grade) n.o.s. I-2B, CP65

320‑67‑2 Azacitidine n.o.s. I-2A, N-2, CP65

320‑67‑2 5-Azacytidine n.o.s. I-2A, N-2, CP65

115‑02‑6 Azaserine n.o.s. I-2B, CP65

446‑86‑6  Azathioprine J n.o.s. I-1, N-1, CP65

151‑56‑4  Aziridine IS \[1910.1003\] {0.5 ppm TLV, 0.88 mg/m^3^} O,
G-A3, I-2B, CP65

68‑76‑8 *tris*(Aziridinyl)-*p*-benzoquinone n.o.s. CP65

52‑24‑4  *tris*(1-Aziridinyl)phosphine Sulfide n.o.s. I-1, N-1, CP65

103‑33‑3 Azobenzene n.o.s. CP65

30516‑87‑1 AZT n.o.s. I-2B

10294‑40‑3  Barium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

12000‑34‑9  Barium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

12231‑18‑4  Barium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

37235‑82‑8  Basic Bismuth Dichromate, as Cr^6+^ I 0.01 mg/m^3^ TLV
G-A1, I-1, N-1, CP65

1308‑09‑4  Basic Copper (II) Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV
G-A1, I-1, N-1, CP65

1319‑48‑8 Basic Lead Carbonate Sulfate IG 50 µg/m^3^ PEL G-A3, I-2B,
CP65

1344‑38‑3  Basic Lead Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

18454‑12‑1  Basic Lead Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

54692‑53‑4  Basic Lead Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

3296‑90‑0 BBMP n.o.s. I-2B, N-2, CP65

154‑93‑8 BCNU n.o.s. I-2A, N-2, CP65

98‑87‑3 Benzal Chloride (and Benzoyl Chloride \[combined exposure\])
n.o.s. I-2A

71‑43‑2  Benzene \[1910.1028\] *I*S 0.5 ppm TLV {1.6 mg/m^3^} O, G-A1,
I-1, N-1, CP65

1684‑47‑5  Benzene-1,3,5-d~3~ {C~6~H~3~D~3~} *I*S 0.5 ppm TLV {1.6
mg/m^3^} O, G-A1, I-1, N-1, CP65

1120‑89‑4  Benzene-d {C~6~H~5~D~1~} *I*S 0.5 ppm TLV {1.6 mg/m^3^} O,
G-A1, I-1, N-1, CP65

1076‑43‑3  Benzene-d~6~ {C~6~D~6~} *I*S 0.5 ppm TLV {1.6 mg/m^3^} O,
G-A1, I-1, N-1, CP65

92‑87‑5  Benzidine IS \[1910.1003\] O, G-A1, I-1, N-1, CP65

0‑17‑0 Benzidine-based Dyes n.o.s. I-2A, CP65

271‑89‑6 Benzofuran n.o.s. I-2B, CP65

91‑22‑5 Benzopyridine n.o.s. CP65

98‑07‑7 ? Benzotrichloride S **C** 0.1 ppm TLV {**C** 0.8 mg/m^3^} G-A2,
I-2A, N-2, CP65

98‑88‑4 Benzoyl Chloride (and *alpha*-Chlorinated Toluenes \[combined
exposure\]) **C** 0.5 ppm TLV I-2A

50‑32‑8 ? Benzo\[*a*\]pyrene {PAH} 0.2 mg/m^3^ PEL G-A2, I-2A, N-2, CP65

205‑99‑2 ? Benzo\[*b*\]fluoranthene {PAH} I 0.2 mg/m^3^ PEL G-A2, I-2B,
N-2, CP65

205‑82‑3 Benzo\[*j*\]fluoranthene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

207‑08‑9 Benzo\[*k*\]fluoranthene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

100‑44‑7 Benzyl Chloride 1 ppm PEL {5 mg/m^3^} G-A3, I-2A, CP65

1694‑09‑3 Benzyl Violet 4B n.o.s. I-2B, CP65

56‑55‑3 ? Benz\[*a*\]anthracene {PAH} I 0.2 mg/m^3^ PEL G-A2, I-2A, N-2,
CP65

12161‑82‑9  Bertrandite *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

1302‑52‑9  Beryl Ore *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

7440‑41‑7  Beryllium & compounds, as Be - \[see specific compound\] *I*
0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

543‑81‑7  Beryllium Acetate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

1332‑52‑1  Beryllium Acetate, Basic *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

19049‑40‑2  Beryllium Acetate, Basic *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

10210‑64‑7  Beryllium Acetylacetonate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

1302‑52‑9  Beryllium Aluminum Silicate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

17440‑85‑6  Beryllium Borohydride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

7787‑46‑4  Beryllium Bromide *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

506‑66‑1  Beryllium Carbide *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

13106‑47‑3  Beryllium Carbonate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

66104‑24‑3  Beryllium Carbonate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

1319‑43‑3  Beryllium Carbonate Basic *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

7787‑47‑5  Beryllium Chloride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

7787‑49‑7  Beryllium Fluoride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

1111‑71‑3  Beryllium Formate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

7787‑52‑2  Beryllium Hydride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

13327‑32‑7  Beryllium Hydroxide *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

7787‑53‑3  Beryllium Iodide *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

13597‑99‑4  Beryllium Nitrate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

13510‑48‑0  Beryllium Nitrate Tetrahydrate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

7787‑55‑5  Beryllium Nitrate Trihydrate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

1304‑54‑7  Beryllium Nitride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

1304‑56‑9  Beryllium Oxide *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

13597‑95‑0  Beryllium Perchlorate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

13598‑15‑7  Beryllium Phosphate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

13598‑26‑0  Beryllium Phosphate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

35089‑00‑0  Beryllium Phosphate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

7787‑50‑0  Beryllium Potassium Fluoride *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

53684‑48‑3  Beryllium Potassium Sulfate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

10039‑31‑3  Beryllium Selenate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

13598‑00‑0  Beryllium Silicate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

15191‑85‑2  Beryllium Silicate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

58500‑38‑2  Beryllium Silicate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

12161‑82‑9  Beryllium Silicate Hydrate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

13871‑27‑7  Beryllium Sodium Fluoride *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1,
N-1, CP65

13510‑49‑1  Beryllium Sulfate *I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1,
CP65

7787‑56‑6  Beryllium Sulfate Tetrahydrate *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

39413‑47‑3  Beryllium Zinc Silicate, as Be *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

12770‑50‑2  Beryllium-Aluminum Alloy, as Be fume or dust *I* 0.2
µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

11133‑98‑5  Beryllium-Copper Alloy, as Be fume or dust *I* 0.2 µg/m^3^
TLV^C^ G-A1, I-1, N-1, CP65

55158‑44‑6  Beryllium-Copper-Cobalt Alloy, as Be fume or dust *I* 0.2
µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

37227‑61‑5  Beryllium-Nickel Alloy, as Be fume or dust \[also see Ni\]
*I* 0.2 µg/m^3^ TLV^C^ G-A1, I-1, N-1, CP65

0‑02‑0  Betel quid with tobacco n.o.s. I-1, CP65

25013‑16‑5 BHA n.o.s. I-2B, N-2, CP65

8052‑42‑4 Bitumen (extracts of steam-refined and air-refined) I 0.5
mg/m^3^ TLV I-2B, CP65

11056‑06‑7 Bleomycins n.o.s. I-2B

0‑71‑0  Boot and Shoe Manufacture and Repair n.o.s. I-1

0‑03‑0 Bracken Fern n.o.s. I-2B, CP65

0‑52‑0  Broad Spectrum Ultraviolet Radiation S n.o.s. N-1

15541‑45‑4 Bromate n.o.s. CP65

75‑27‑4 Bromodichloromethane n.o.s. I-2B, N-2, CP65

74‑96‑4 Bromoethane S 5 ppm TLV {23 mg/m^3^} G-A3, CP65

75‑25‑2 Bromoform S 0.5 ppm PEL {5 mg/m^3^} G-A3, CP65

3296‑90‑0 2,2-*bis*(Bromomethyl)-1,3-propandiol n.o.s. I-2B, N-2, CP65

3296‑90‑0 2,2-*bis*(Bromomethyl)propane-1,3-diol n.o.s. I-2B, N-2, CP65

55‑98‑1  Busulfan *G* n.o.s. I-1, N-1, CP65

106‑99‑0  1,3-Butadiene \[1910.1051\] I 1 ppm PEL {2.2 mg/m^3^} O,
G-A2, I-2A, N-1, CP65

55‑98‑1  1,4-Butanediol Dimethylsulfonate *G* n.o.s. I-1, N-1, CP65

1189‑85‑1  *tert*-Butyl Chromate, as Cr^6+^ S 0.01 mg/m^3^ TLV I-1,
N-1, CP65

25013‑16‑5 Butylated Hydroxyanisole n.o.s. I-2B, N-2, CP65

140‑57‑8 Butylphenoxyisopropyl Chloroethyl Sulfite n.o.s. I-2B, CP65

3068‑88‑0 *beta*-Butyrolactone n.o.s. I-2B, CP65

6459‑94‑5 C.I. Acid Red 114 I n.o.s. I-2B, CP65

569‑61‑9 C.I. Basic Red 9 Monohydrochloride IS n.o.s. I-2B, N-2, CP65

72‑57‑1 C.I. Direct Blue 14 I n.o.s. I-2B, CP65

2429‑74‑5 C.I. Direct Blue 15 I n.o.s. I-2B, CP65

28407‑37‑6 C.I. Direct Blue 218 n.o.s. CP65

82‑28‑0 C.I. Disperse Orange 11 I n.o.s. N-2, CP65

1307‑96‑6 C.I. Pigment Black 13 I 0.02 mg/m^3^ TLV G-A3, I-2B, CP65

1344‑38‑3  C.I. Pigment Orange 21, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

54692‑53‑4  C.I. Pigment Orange 21, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

8005‑36‑5  C.I. Pigment Red 104, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

12213‑61‑5  C.I. Pigment Red 104, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

12656‑85‑8  C.I. Pigment Red 104, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

12709‑98‑7  C.I. Pigment Red 104, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

64523‑06‑4  C.I. Pigment Red 104, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

7758‑97‑6  C.I. Pigment Yellow 34, as Cr^6+^ I 12 µg/m^3^ TLV G-A2,
I-1, N-1, CP65

1308‑13‑0  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

1328‑67‑2  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

13530‑65‑9  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

14675‑41‑3  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

37300‑23‑5  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

57486‑12‑1  C.I. Pigment Yellow 36, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

10294‑52‑7  C.I. Pigment Yellow 45, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

2646‑17‑5 C.I. Solvent Orange 2 n.o.s. I-2B, CP65

842‑07‑9 C.I. Solvent Yellow 14 n.o.s. CP65

75‑60‑5 Cacodylic Acid 0.5 mg/m^3^ PEL CP65

7440‑43‑9  Cadmium & Cd compounds, as Cd \[1910.1027\] - \[see specific
compound\] I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O, G-A2, I-1, N-1,
CP65

543‑90‑8  Cadmium Acetate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O,
G-A2, I-1, N-1, CP65

7789‑42‑6  Cadmium Bromide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

513‑78‑0  Cadmium Carbonate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

10108‑64‑2  Cadmium Chloride I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

542‑83‑6  Cadmium Cyanide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O,
G-A2, I-1, N-1, CP65

14486‑19‑2  Cadmium Fluoborate 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

7790‑79‑6  Cadmium Fluoride I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

21041‑95‑2  Cadmium Hydroxide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable
TLV} O, G-A2, I-1, N-1, CP65

7790‑80‑9  Cadmium Iodide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O,
G-A2, I-1, N-1, CP65

10325‑94‑7  Cadmium Nitrate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

1306‑19‑0  Cadmium Oxide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O,
G-A2, I-1, N-1, CP65

14402‑75‑6  Cadmium Potassium Cyanide I 5 µg/m^3^ PEL {2 µg/m^3^
respirable TLV} O, G-A2, I-1, N-1, CP65

13814‑62‑5  Cadmium Selenate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

1306‑24‑7  Cadmium Selenide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

2223‑93‑0  Cadmium Stearate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

10124‑36‑4  Cadmium Sulfate I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

1306‑23‑6  Cadmium Sulfide I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

1306‑25‑8  Cadmium Telluride I 5 µg/m^3^ PEL {2 µg/m^3^ respirable TLV}
O, G-A2, I-1, N-1, CP65

7790‑85‑4  Cadmium Tungstate (VI) I 5 µg/m^3^ PEL {2 µg/m^3^ respirable
TLV} O, G-A2, I-1, N-1, CP65

12685‑29‑9  Cadmium-Copper Alloy, cadmium nonbase I 5 µg/m^3^ PEL {2
µg/m^3^ respirable TLV} O, G-A2, I-1, N-1, CP65

37364‑06‑0  Cadmium-Copper Alloy, copper base I 5 µg/m^3^ PEL {2
µg/m^3^ respirable TLV} O, G-A2, I-1, N-1, CP65

132295‑56‑8  Cadmium-Copper Alloy, copper alloy, base, Cu\>99.75% I 5
µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O, G-A2, I-1, N-1, CP65

132295‑57‑9  Cadmium-Copper Alloy, copper alloy, base, Cu\>99.60% I 5
µg/m^3^ PEL {2 µg/m^3^ respirable TLV} O, G-A2, I-1, N-1, CP65

331‑39‑5 Caffeic Acid n.o.s. I-2B, CP65

7778‑44‑1  Calcium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

10103‑62‑5  Calcium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

52740‑16‑6  Calcium Arsenite, 1:1 IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

15194‑98‑6  Calcium Arsenite, 2:1 IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

27152‑57‑4  Calcium Arsenite, 2:3 IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

13765‑19‑0  Calcium Chromate, as Cr^6+^ I 1 µg/m^3^ TLV G-A2, I-1, N-1,
CP65

2425‑06‑1 Captafol S 0.1 mg/m^3^ PEL I-2A, CP65

133‑06‑2 Captan 5 mg/m^3^ TLV G-A3, CP65

51‑79‑6 Carbamic Acid, Ethyl Ester n.o.s. I-2B, N-2, CP65

86‑74‑8 Carbazole n.o.s. CP65

1333‑86‑4 Carbon Black (CP65: airborne, unbound particles of respirable
size) I 3.5 mg/m^3^ PEL I-2B, CP65

0‑38‑0 Carbon Black extracts (benzene solvent) {PAH} n.o.s. I-2B, CP65

56‑23‑5 ? Carbon Tetrachloride *I*S 5 ppm TLV {31.5 mg/m^3^} G-A2, I-2B,
N-2, CP65

60391‑92‑6 N-Carboxymethyl-N-nitrosourea n.o.s. CP65

154‑93‑8 Carmustine n.o.s. I-2A, N-2, CP65

0‑72‑0 Carpentry and Joinery I n.o.s. I-2B

9000‑07‑1 Carrageenan, degraded n.o.s. I-2B

120‑80‑9 Catechol S 5 ppm TLV G-A3, I-2B, CP65

13010‑47‑4 CCNU n.o.s. I-2A, N-2, CP65

409‑21‑2 ? Ceramic Fiber (CP65: airborne particles of respirable size) I
5 mg/m^3^ PEL (respirable) {0.1 f/cc TLV} G-A2, I-2B, N-2, CP65

13454‑78‑9  Cesium Chromate, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

305‑03‑3  Chlorambucil *G* n.o.s. I-1, N-1, CP65

56‑75‑7 Chloramphenicol n.o.s. I-2A, N-2, CP65

57‑74‑9 Chlordane S 0.5 mg/m^3^ PEL G-A3, I-2B, CP65

12789‑03‑6 Chlordane (technical grade) S 0.5 mg/m^3^ TLV G-A3, I-2B

143‑50‑0 Chlordecone n.o.s. I-2B, N-2, CP65

6164‑98‑3 Chlordimeform n.o.s. CP65

115‑28‑6 Chlorendic Acid n.o.s. I-2B, N-2, CP65

63449‑39‑8 Chlorinated Paraffins (avg. C~12~, 60% Chlorine) n.o.s. I-2B,
N-2

108171‑26‑2 Chlorinated Paraffins (avg. C~12~, 60% Chlorine) n.o.s.
I-2B, N-2, CP65

0‑13‑0 *alpha-*Chlorinated Toluenes and Benzoyl Chloride (combined
exposures) n.o.s. I-2A

494‑03‑1  Chlornaphazine n.o.s. I-1, CP65

108‑60‑1 *bis*(2-Chloro-1-methylethyl) Ether (technical grade) n.o.s.
CP65

95‑69‑2 4-Chloro-2-methylbenzenamine (and its strong acid salts) n.o.s.
I-2A, N-2, CP65

3165‑93‑3 4-Chloro-2-methylbenzenamine Hydrochloride n.o.s. I-2A, N-2,
CP65

513‑37‑1 1-Chloro-2-methylpropene n.o.s. I-2B, N-2, CP65

563‑47‑3 3-Chloro-2-methylpropene n.o.s. N-2, CP65

106‑89‑8 1-Chloro-2,3-epoxy-propane IS 0.5 ppm TLV {1.9 mg/m^3^} G-A3,
I-2A, N-2, CP65

100‑00‑5 1-Chloro-4-nitrobenzene S 1 mg/m^3^ PEL {0.1 ppm TLV} G-A3,
CP65

95‑83‑0 4-Chloro-*o*-phenylenediamine n.o.s. I-2B, N-2, CP65

95‑69‑2 4-Chloro-*o*-toluidine (and its strong acid salts) n.o.s. I-2A,
N-2, CP65

95‑79‑4 5-Chloro-*o*-toluidine (and its strong acid salts) n.o.s. CP65

95‑69‑2 *p*-Chloro-*o*-toluidine (and its strong acid salts) n.o.s.
I-2A, N-2, CP65

3165‑93‑3 *p*-Chloro-*o*-toluidine Hydrochloride n.o.s. I-2A, N-2, CP65

106‑47‑8 4-Chloroaniline n.o.s. I-2B, CP65

106‑47‑8 *p*-Chloroaniline n.o.s. I-2B, CP65

20265‑96‑7 *p*-Chloroaniline Hydrochloride n.o.s. CP65

53469‑21‑9 Chlorodiphenyl (42% chlorine) {PCBs} S 1 mg/m^3^ PEL I-2A,
CP65

11097‑69‑1 Chlorodiphenyl (54% chlorine) {PCBs} S 0.5 mg/m^3^ PEL G-A3,
I-2A, N-2, CP65

75‑00‑3 Chloroethane S 100 ppm TLV {264 mg/m^3^} G-A3, CP65

111‑44‑4 *bis*(2-Chloroethyl) Ether S 5 ppm TLV {29 mg/m^3^} CP65

154‑93‑8 *bis*(Chloroethyl) Nitrosourea n.o.s. I-2A, N-2, CP65

115‑96‑8 *tris*(2-Chloroethyl) Phosphate n.o.s. CP65

494‑03‑1  N,N-*bis*(2-Chloroethyl)-2-naphthylamine n.o.s. I-1, CP65

13909‑09‑6  1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea
n.o.s. I-1, N-1, CP65

13010‑47‑4 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea n.o.s. I-2A,
N-2, CP65

75‑01‑4  Chloroethylene \[1910.1017\] 1 ppm PEL O, G-A1, I-1, N-1, CP65

67‑66‑3 Chloroform *I*A 10 ppm TLV {48.9 mg/m^3^} G-A3, I-2B, N-2, CP65

865‑49‑6 Chloroform-d {CDCl~3~} *I*A 10 ppm TLV {48.9 mg/m^3^} G-A3,
I-2B, N-2, CP65

107‑30‑2  Chloromethyl Methyl Ether IS \[1910.1003\] O, G-A2, I-1, N-1,
CP65

542‑88‑1  *bis*(Chloromethyl) Ether I \[1910.1003\] {1 ppb TLV, 4.7
µg/m^3^} O, G-A1, I-1, N-1, CP65

95‑57‑8 2-Chlorophenol S n.o.s. I-2B

108‑43‑0 3-Chlorophenol S n.o.s. I-2B

106‑48‑9 4-Chlorophenol S n.o.s. I-2B

0‑12‑0 Chlorophenoxy Herbicides S 10 mg/m^3^ PEL I-2B

126‑99‑8 *beta-*Chloroprene S 10 ppm TLV I-2B, N-2, CP65

1897‑45‑6 Chlorothalonil n.o.s. I-2B, CP65

569‑57‑3 Chlorotrianisene n.o.s. CP65

54749‑90‑5 Chlorozotocin n.o.s. I-2A, N-2, CP65

18454‑12‑1  Chrome Red, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

1066‑30‑4  Chromic Acetate, as Cr^6+^ \[water-soluble\] 0.05 mg/m^3^
TLV N-1, CP65

1333‑82‑0  Chromic Acid, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^ TLV
G-A1, I-1, N-1, CP65

12324‑05‑9  Chromic Acid, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

12324‑08‑2  Chromic Acid, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

24613‑89‑6  Chromic Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

18540‑29‑9  Chromium (VI) & inorganic Cr^6+^ compounds - \[see specific
compound\] I 0.5 mg/m^3^ TLV G-A4 (Cr^0^), I-1, N-1, CP65

29689‑14‑3  Chromium Carbonate, as Cr^6+^ \[water-soluble\] 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

13007‑92‑6  Chromium Carbonyl, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

13930‑94‑4  Chromium Carbonyl, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

14986‑48‑2  Chromium Hexachloride, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

1333‑82‑0  Chromium Oxide, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

12324‑05‑9  Chromium Oxide, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

12324‑08‑2  Chromium Oxide, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

7789‑04‑0  Chromium Phosphate, as Cr^6+^ \[water-soluble\] 0.05 mg/m^3^
TLV N-1, CP65

1333‑82‑0  Chromium Trioxide, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

12324‑05‑9  Chromium Trioxide, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

12324‑08‑2  Chromium Trioxide, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

14986‑48‑2  Chromium \[VI\] Chloride I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

14977‑61‑8  Chromyl Chloride, as Cr^6+^ \[water soluble\] I 0.025 ppm
TLV {0.16 mg/m^3^} I-1, N-1, CP65

117‑10‑2 Chrysazin n.o.s. I-2B, N-2, CP65

218‑01‑9 Chrysene *S* 0.2 mg/m^3^ PEL G-A3, CP65

12001‑29‑5  Chrysotile I 0.1 f/cc PEL O, G-A1, I-1, N-1

59865‑13‑3  Ciclosporin n.o.s. I-1, N-1, CP65

79217‑60‑0  Ciclosporin n.o.s. I-1, CP65

59865‑13‑3  Ciclosporine n.o.s. I-1, N-1, CP65

113852‑37‑2 Cidofovir n.o.s. CP65

87‑29‑6 Cinnamyl Anthranilate n.o.s. CP65

15663‑27‑1 Cisplatin n.o.s. I-2A, N-2, CP65

6358‑53‑8 Citrus Red No.2 n.o.s. I-2B, CP65

637‑07‑0 Clofibrate n.o.s. CP65

0‑41‑0  Coal Gasification I n.o.s. I-1

65996‑93‑2  Coal Tar Pitch Volatiles (as benzene solubles) I 0.2
mg/m^3^ PEL G-A1, I-1, N-1

8007‑45‑2  Coal Tars I n.o.s. I-1, N-1

65996‑89‑6  Coal Tars & Extracts, and high-temp. coal tars I n.o.s.
I-1, N-1

7440‑48‑4 Cobalt metal powder & inorganic compounds, as Co - \[see
specific compound\] I 0.02 mg/m^3^ TLV G-A3, I-2B, CP65

1308‑06‑1 Cobalt (II, III) Oxide I 0.02 mg/m^3^ TLV G-A3, I-2B

71‑48‑7 Cobalt (II) Acetate I 0.02 mg/m^3^ TLV G-A3, I-2B

6147‑53‑1 Cobalt (II) Acetate Tetrahydrate I 0.02 mg/m^3^ TLV G-A3, I-2B

7785‑24‑2  Cobalt (II) Arsenate, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1,
I-1, N-1, CP65

7789‑43‑7 Cobalt (II) Bromide I 0.02 mg/m^3^ TLV G-A3, I-2B

513‑79‑1 Cobalt (II) Carbonate I 0.02 mg/m^3^ TLV G-A3, I-2B

12069‑68‑0 Cobalt (II) Carbonate Hydroxide (1:1) I 0.02 mg/m^3^ TLV
G-A3, I-2B

12602‑23‑2 Cobalt (II) Carbonate Hydroxide (2:3) I 0.02 mg/m^3^ TLV
G-A3, I-2B

51839‑24‑8 Cobalt (II) Carbonate Hydroxide (2:3) Monohydrate I 0.02
mg/m^3^ TLV G-A3, I-2B

7646‑79‑9 Cobalt (II) Chloride I 0.02 mg/m^3^ TLV G-A3, I-2B

7791‑13‑1 Cobalt (II) Chloride Hexahydrate I 0.02 mg/m^3^ TLV G-A3, I-2B

13455‑25‑9 Cobalt (II) Chromate (III) I 0.02 mg/m^3^ TLV G-A3, I-2B

542‑84‑7 Cobalt (II) Cyanide I 0.02 mg/m^3^ TLV G-A3, I-2B

10026‑17‑2 Cobalt (II) Fluoride I 0.02 mg/m^3^ TLV G-A3, I-2B

544‑18‑3 Cobalt (II) Formate I 0.02 mg/m^3^ TLV G-A3, I-2B

21041‑93‑0 Cobalt (II) Hydroxide I 0.02 mg/m^3^ TLV G-A3, I-2B

15238‑00‑3 Cobalt (II) Iodide I 0.02 mg/m^3^ TLV G-A3, I-2B

13762‑14‑6 Cobalt (II) Molybdenum (VI) Oxide I 0.02 mg/m^3^ TLV G-A3,
I-2B

61789‑51‑3 Cobalt (II) Naphthenate I 0.02 mg/m^3^ TLV G-A3, I-2B

10141‑05‑6 Cobalt (II) Nitrate I 0.02 mg/m^3^ TLV G-A3, I-2B

10026‑22‑9 Cobalt (II) Nitrate Hexahydrate I 0.02 mg/m^3^ TLV G-A3, I-2B

814‑89‑1 Cobalt (II) Oxalate I 0.02 mg/m^3^ TLV G-A3, I-2B

1307‑96‑6 Cobalt (II) Oxide I 0.02 mg/m^3^ TLV G-A3, I-2B, CP65

13455‑36‑2 Cobalt (II) Phosphate I 0.02 mg/m^3^ TLV G-A3, I-2B

13596‑22‑0 Cobalt (II) Potassium Sulfate I 0.02 mg/m^3^ TLV G-A3, I-2B

10124‑43‑3 Cobalt (II) Sulfate I 0.02 mg/m^3^ TLV G-A3, I-2B

1317‑42‑6 Cobalt (II) Sulfide I 0.02 mg/m^3^ TLV G-A3, I-2B

3017‑60‑5 Cobalt (II) Thiocyanate I 0.02 mg/m^3^ TLV G-A3, I-2B

917‑69‑1 Cobalt (III) Acetate I 0.02 mg/m^3^ TLV G-A3, I-2B

10026‑18‑3 Cobalt (III) Fluoride I 0.02 mg/m^3^ TLV G-A3, I-2B

1307‑86‑4 Cobalt (III) Hydroxide I 0.02 mg/m^3^ TLV G-A3, I-2B

1308‑04‑9 Cobalt (III) Oxide I 0.02 mg/m^3^ TLV G-A3, I-2B

12016‑80‑7 Cobalt (III) Oxide Monohydrate I 0.02 mg/m^3^ TLV G-A3, I-2B

13782‑01‑9 Cobalt (III) Potassium Nitrite I 0.02 mg/m^3^ TLV G-A3, I-2B

10210‑68‑1 Cobalt Carbonyl, as Co I 0.1 mg/m^3^ TLV I-2B

11114‑92‑4  Cobalt Chromium Alloy, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

16842‑03‑8 Cobalt Hydrocarbonyl, as Co I 0.1 mg/m^3^ TLV I-2B

1307‑96‑6 Cobalt Monoxide I 0.02 mg/m^3^ TLV G-A3, I-2B, CP65

10026‑24‑1 Cobalt Sulfate Heptahydrate I 0.02 mg/m^3^ TLV G-A3, I-2B,
CP65

0‑04‑0 Coffee (urinary bladder only) G n.o.s. I-2B

0‑39‑0  Coke Oven Emissions {PAH} IS 150 µg/m^3^ PEL O, I-1, N-1, CP65

12002‑03‑8  Copper (II) Acetoarsenite IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

0‑05‑0  Copper (II) Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

13548‑42‑0  Copper Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

1308‑09‑4  Copper Chromate Oxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

18906‑50‑8  Copper Chromate Oxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

8001‑58‑9  Creosotes (coal) IS n.o.s. I-2A, N-1, CP65

8021‑39‑4  Creosotes (wood) IS n.o.s. N-1, CP65

120‑71‑8 *p*-Cresidine n.o.s. I-2B, N-2, CP65

14464‑46‑1  Cristobalite {Silica (respirable) - Crystalline} I 0.025
mg/m^3^ TLV^H^ (respirable fraction) G-A2^H^, I-1, N-1, CP65

12001‑28‑4  Crocidolite I 0.1 f/cc PEL O, G-A1, I-1, N-1

135‑20‑6 Cupferron n.o.s. N-2, CP65

12002‑03‑8  Cupric Acetoarsenite IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

10290‑12‑7  Cupric Arsenite IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

13548‑42‑0  Cupric Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

14901‑08‑7 Cycasin n.o.s. I-2B, CP65

50‑18‑0  Cyclophosphamide (anhydrous) G*J* n.o.s. I-1, N-1, CP65

6055‑19‑2  Cyclophosphamide (hydrated) G*J* n.o.s. I-1, CP65

79217‑60‑0  Cyclosporin n.o.s. I-1, CP65

59865‑13‑3  Cyclosporin A n.o.s. I-1, N-1, CP65

79217‑60‑0  Cyclosporine n.o.s. I-1, CP65

21739‑91‑3 Cytembena n.o.s. CP65

94‑75‑7 2,4-D S 10 mg/m^3^ PEL I-2B

3468‑63‑1 D&C Orange No. 17 n.o.s. CP65

81‑88‑9 D&C Red No. 19 n.o.s. CP65

2092‑56‑0 D&C Red No. 8 n.o.s. CP65

5160‑02‑1 D&C Red No. 9 n.o.s. CP65

4342‑03‑4 Dacarbazine n.o.s. I-2B, N-2, CP65

1596‑84‑5 Daminozide n.o.s. CP65

117‑10‑2 Dantron n.o.s. I-2B, N-2, CP65

20830‑81‑3 Daunomycin n.o.s. I-2B, CP65

96‑12‑8  DBCP \[1910.1044\] IS 1 ppb PEL O, I-2B, N-2, CP65

96‑13‑9 DBP n.o.s. I-2B, N-2, CP65

72‑54‑8 DDD n.o.s. CP65

72‑55‑9 DDE n.o.s. CP65

50‑29‑3 DDT IS 1 mg/m^3^ PEL G-A3, I-2B, N-2, CP65

50‑29‑3 *p,p\'*-DDT IS 1 mg/m^3^ PEL G-A3, I-2B, N-2, CP65

62‑73‑7 DDVP S 0.1 mg/m^3^ TLV I-2B, CP65

13654‑09‑6 Decabromobiphenyl {PBBs} n.o.s. N-2, CP65

117‑81‑7 DEHP 5 mg/m^3^ PEL G-A3, N-2, CP65

55‑18‑5 DEN n.o.s. I-2A, N-2, CP65

56‑53‑1  DES G n.o.s. I-1, N-1, CP65

101‑90‑6 DGRE n.o.s. I-2B, N-2, CP65

613‑35‑4 N,N\'-Diacetylbenzidine n.o.s. I-2B, CP65

615‑05‑4 2,4-Diaminoanisole n.o.s. I-2B, CP65

39156‑41‑7 2,4-Diaminoanisole Sulfate n.o.s. N-2, CP65

101‑80‑4 4,4\'-Diaminodiphenyl Ether n.o.s. I-2B, N-2, CP65

0‑06‑0 Diaminotoluene (mixed) n.o.s. CP65

95‑80‑7 2,4-Diaminotoluene n.o.s. I-2B, N-2, CP65

119‑90‑4 *o*-Dianisidine Based Dyes n.o.s. I-2B, N-2, CP65

20325‑40‑0 *o*-Dianisidine Dihydrochloride n.o.s. N-2, CP65

334‑88‑3 ? Diazomethane 0.2 ppm PEL {0.34 mg/m^3^} G-A2

192‑65‑4 Dibenzo\[*a,e*\]pyrene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

189‑64‑0 Dibenzo\[*a,h*\]pyrene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

189‑55‑9 Dibenzo\[*a,i*\]pyrene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

191‑30‑0 Dibenzo\[*a,l*\]pyrene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

194‑59‑2 7H-Dibenzo\[*c,g*\]carbazole {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

226‑36‑8 Dibenz\[*a,h*\]acridine {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

53‑70‑3 Dibenz\[*a,h*\]anthracene {PAH} I 0.2 mg/m^3^ PEL I-2A, N-2,
CP65

224‑42‑0 Dibenz\[*a,j*\]acridine {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

96‑13‑9 2,3-Dibromo-1-propanol n.o.s. I-2B, N-2, CP65

96‑12‑8  1,2-Dibromo-3-chloropropane \[1910.1044\] IS 1 ppb PEL O,
I-2B, N-2, CP65

106‑93‑4 1,2-Dibromoethane IS 20 ppm PEL G-A3, I-2A, N-2, CP65

96‑13‑9 2,3-Dibromopropan-1-ol n.o.s. I-2B, N-2, CP65

126‑72‑7 *tris*(2,3-Dibromopropyl) Phosphate n.o.s. I-2A, N-2, CP65

764‑41‑0 ? 1,4-Dichloro-2-butene S 5 ppb TLV {25 µg/m^3^} G-A2, CP65

28434‑86‑8 3,3\'-Dichloro-4,4\'-diaminodiphenyl Ether n.o.s. I-2B, CP65

79‑43‑6 Dichloroacetic Acid S 0.5 ppm TLV^H^ G-A3^H^, CP65

106‑46‑7 1,4-Dichlorobenzene IA 10 ppm TLV {60 mg/m^3^} G-A3, I-2B, N-2,
CP65

106‑46‑7 *p*-Dichlorobenzene IA 10 ppm TLV {60 mg/m^3^} G-A3, I-2B, N-2,
CP65

91‑94‑1  3,3\'-Dichlorobenzidine IS \[1910.1003\] O, G-A3, I-2B, N-2,
CP65

612‑83‑9 3,3\'-Dichlorobenzidine Dihydrochloride n.o.s. N-2, CP65

505‑60‑2  2,2\'-Dichlorodiethylsulfide IA n.o.s. I-1, N-1, CP65

72‑54‑8 Dichlorodiphenyldichloroethane n.o.s. CP65

72‑55‑9 Dichlorodiphenyldichloroethylene n.o.s. CP65

50‑29‑3 Dichlorodiphenyltrichloroethane IS 1 mg/m^3^ PEL G-A3, I-2B,
N-2, CP65

75‑34‑3 1,1-Dichloroethane 100 ppm PEL {400 mg/m^3^} CP65

107‑06‑2 1,2-Dichloroethane 10 ppm TLV {40.5 mg/m^3^} I-2B, N-2, CP65

111‑44‑4 Dichloroethyl Ether S 5 ppm TLV {29 mg/m^3^} CP65

75‑09‑2  Dichloromethane \[1910.1052\] *I*S 25 ppm PEL {87 mg/m^3^} O,
G-A3, I-2B, N-2, CP65

1665‑00‑5  Dichloromethane-d~2~ {CD~2~Cl~2~} \[1910.1052\] *I*S 25 ppm
PEL {87 mg/m^3^} O, G-A3, I-2B, N-2, CP65

94‑75‑7 (2,4-Dichlorophenoxy) Acetic Acid S 10 mg/m^3^ PEL I-2B

1836‑75‑5 2,4-Dichlorophenyl-*p*-nitrophenyl Ether n.o.s. I-2B, N-2,
CP65

78‑87‑5 1,2-Dichloropropane 75 ppm TLV {347 mg/m^3^} CP65

542‑75‑6 1,3-Dichloropropene (technical grade) S 1 ppm TLV {4.5 mg/m^3^}
G-A3, I-2B, N-2, CP65

62‑73‑7 Dichlorvos S 0.1 mg/m^3^ TLV I-2B, CP65

10210‑68‑1 Dicobalt Octacarbonyl, as Co I 0.1 mg/m^3^ TLV I-2B

60‑57‑1 Dieldrin S 0.25 mg/m^3^ PEL CP65

84‑17‑3 Dienestrol n.o.s. CP65

1464‑53‑5 Diepoxybutane n.o.s. I-2B, N-2, CP65

0‑32‑0 Diesel Engine Exhaust I n.o.s. I-2A, N-2, CP65

0‑31‑0 Diesel Fuel, Marine S 100 mg/m^3^ TLV G-A3, I-2B

68334‑30‑5 Diesel Fuel #4 S 100 mg/m^3^ TLV G-A3, I-2B

95‑06‑7 N, N-Diethyldithiocarbamic Acid 2-Chloroallyl Ester n.o.s. I-2B,
N-2, CP65

1615‑80‑1 1,2-Diethylhydrazine n.o.s. I-2B, CP65

55‑18‑5 Diethylnitrosamine n.o.s. I-2A, N-2, CP65

56‑53‑1  Diethylstilbestrol G n.o.s. I-1, N-1, CP65

64‑67‑5 Diethylsulfate n.o.s. I-2A, N-2, CP65

101‑90‑6 Diglycidyl Resorcinol Ether n.o.s. I-2B, N-2, CP65

94‑58‑6 Dihydrosafrole n.o.s. I-2B, CP65

117‑10‑2 1,8-Dihydroxyanthraquinone n.o.s. I-2B, N-2, CP65

2973‑10‑6 Diisopropylsulfate n.o.s. I-2B, CP65

119‑90‑4 3,3\'-Dimethoxybenzidine n.o.s. I-2B, N-2, CP65

20325‑40‑0 3,3\'-Dimethoxybenzidine Dihydrochloride n.o.s. N-2, CP65

90‑94‑8 *bis*(Dimethylamino) Benzophenone n.o.s. N-2, CP65

25962‑77‑0
*trans*-2-\[(Dimethylamino)methylimino\]-5-\[2-(5-nitro-2-furyl)vinyl\]-1,3,4-oxadiazole
n.o.s. I-2B

55738‑54‑0
*trans*-2-\[(Dimethylamino)methylimino\]-5-\[2-(5-nitro-2-furyl)vinyl\]-1,3,4-oxadiazole
n.o.s. CP65

60‑11‑7  4-Dimethylaminoazobenzene S \[1910.1003\] O, I-2B, N-2, CP65

60‑11‑7  *p*-Dimethylaminoazobenzene S \[1910.1003\] O, I-2B, N-2, CP65

87‑62‑7 2,6-Dimethylaniline n.o.s. I-2B, CP65

57‑97‑6 7,12-Dimethylbenz(a)anthracene n.o.s. CP65

119‑93‑7 3,3\'-Dimethylbenzidine S n.o.s. G-A3, I-2B, N-2, CP65

612‑82‑8 3,3\'-Dimethylbenzidine Dihydrochloride n.o.s. CP65

79‑44‑7 ? Dimethylcarbamoyl Chloride IS n.o.s. G-A2, I-2A, N-2, CP65

57‑14‑7 1,1-Dimethylhydrazine IS 0.01 ppm TLV {0.025 mg/m^3^} G-A3,
I-2B, N-2, CP65

540‑73‑8 1,2-Dimethylhydrazine n.o.s. I-2A, CP65

62‑75‑9  N,N-Dimethylnitrosoamine S \[1910.1003\] O, G-A3, I-2A, N-2,
CP65

77‑78‑1 Dimethylsulfate S 0.1 ppm TLV {0.5 mg/m^3^} G-A3, I-2A, N-2,
CP65

513‑37‑1 Dimethylvinyl Chloride n.o.s. I-2B, N-2, CP65

105735‑71‑5 3,7-Dinitrofluoranthene n.o.s. I-2B, CP65

22506‑53‑2 3,9-Dinitrofluoranthene n.o.s. I-2B, CP65

42397‑64‑8 1,6-Dinitropyrene I n.o.s. I-2B, N-2, CP65

42397‑65‑9 1,8-Dinitropyrene I n.o.s. I-2B, N-2, CP65

121‑14‑2 2,4-Dinitrotoluene S 27 ppb TLV {0.2 mg/m^3^} I-2B, CP65

0‑07‑0 2,4-/2,6-Dinitrotoluene (mixture) S 27 ppb TLV {0.2 mg/m^3^} CP65

606‑20‑2 2,6-Dinitrotoluene S 27 ppb TLV {0.2 mg/m^3^} I-2B, CP65

123‑91‑1 1,4-Dioxane IS 20 ppm TLV {72 mg/m^3^} G-A3, I-2B, N-2, CP65

17647‑74‑4 1,4-Dioxane-d~8~ IS 20 ppm TLV {72 mg/m^3^} G-A3, I-2B, N-2

57‑41‑0 Diphenylhydantoin n.o.s. I-2B, N-2, CP65

630‑93‑3 Diphenylhydantoin (sodium salt) n.o.s. CP65

122‑66‑7 1,2-Diphenylhydrazine n.o.s. N-2, CP65

1937‑37‑7  Direct Black 38 (technical grade) n.o.s. I-2A, N-1, CP65

1937‑37‑7  Direct Black GX n.o.s. I-2A, N-1, CP65

2602‑46‑2  Direct Blue 6 (technical grade) n.o.s. I-2A, N-1, CP65

16071‑86‑6 Direct Brown 95 (technical grade) n.o.s. I-2A, CP65

7778‑43‑0  Disodium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

10048‑95‑0  Disodium Arsenate Heptahydrate IG 10 µg/m^3^ PEL O, G-A1,
I-1, N-1, CP65

10048‑95‑0  Disodium Hydrogen Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

2475‑45‑8 Disperse Blue 1 I n.o.s. I-2B, N-2, CP65

330‑54‑1 Diuron 10 mg/m^3^ CP65

62‑75‑9  DMN S \[1910.1003\] O, G-A3, I-2A, N-2, CP65

8012‑54‑2  Donovan\'s Solution, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1,
I-1, N-1, CP65

23214‑92‑8 Doxorubicin Hydrochloride n.o.s. I-2A, N-2, CP65

0‑73‑0 Dry Cleaning (occ. exposure in) n.o.s. I-2B

119‑90‑4 Dyes that metabolize to 3,3\'-Dimethoxybenzidine n.o.s. N-2

119‑93‑7 Dyes that metabolize to 3,3\'-Dimethylbenzidine n.o.s. N-2

0‑18‑0  Dyes that metabolize to benzidine IS n.o.s. N-1

106‑93‑4 EDB IS 20 ppm PEL G-A3, I-2A, N-2, CP65

0‑33‑0 Engine Exhaust, Gasoline (condensates/extracts) I n.o.s. I-2B,
CP65

759‑73‑9 ENU n.o.s. I-2A, N-2, CP65

106‑89‑8 Epichlorohydrin IS 0.5 ppm TLV {1.9 mg/m^3^} G-A3, I-2A, N-2,
CP65

106‑88‑7 1,2-Epoxybutane n.o.s. I-2B

75‑56‑9 1,2-Epoxypropane 2 ppm TLV {4.8 mg/m^3^} G-A3, I-2B, N-2, CP65

96‑09‑3 Epoxystyrene n.o.s. I-2A, N-2, CP65

12510‑42‑8  Erionite I n.o.s. I-1, N-1, CP65

66733‑21‑9  Erionite I n.o.s. I-1, N-1, CP65

50‑28‑2  Estradiol-17B SG n.o.s. I-1, N-2, CP65

140‑67‑0 Estragole n.o.s. CP65

0‑21‑0  Estrogens, Nonsteroidal and Steroidal SG n.o.s. I-1

0‑23‑0  Estrogens, Steroidal SG n.o.s. N-1

0‑20‑0 Estrogens, Conjugated (Indirect) SG n.o.s. CP65

53‑16‑7  Estrone SG n.o.s. I-1, N-2, CP65

7280‑37‑7  Estropipate n.o.s. N-1, CP65

57‑63‑6  Ethinylestradiol SG n.o.s. I-1, N-2, CP65

13194‑48‑4 Ethoprop n.o.s. CP65

140‑88‑5 Ethyl Acrylate IS 5 ppm TLV {20 mg/m^3^} I-2B, CP65

74‑96‑4 Ethyl Bromide S 5 ppm TLV {23 mg/m^3^} G-A3, CP65

51‑79‑6 Ethyl Carbamate n.o.s. I-2B, N-2, CP65

75‑00‑3 Ethyl Chloride S 100 ppm TLV {264 mg/m^3^} G-A3, CP65

62‑50‑0 Ethyl Methanesulfonate n.o.s. I-2B, N-2, CP65

510‑15‑6 Ethyl-4,4\'-dichlorobenzilate n.o.s. CP65

759‑73‑9 N-Ethyl-N-nitrosourea n.o.s. I-2A, N-2, CP65

100‑41‑4 Ethylbenzene 100 ppm PEL {435 mg/m^3^} G-A3, I-2B

106‑93‑4 Ethylene Dibromide IS 20 ppm PEL G-A3, I-2A, N-2, CP65

107‑06‑2 Ethylene Dichloride 10 ppm TLV {40.5 mg/m^3^} I-2B, N-2, CP65

75‑21‑8  Ethylene Oxide \[1910.1047\] I 1 ppm PEL {1.8 mg/m^3^} O,
G-A2, I-1, N-1, CP65

96‑45‑7 Ethylene Thiourea n.o.s. N-2, CP65

151‑56‑4  Ethyleneimine IS \[1910.1003\] {0.5 ppm TLV, 0.88 mg/m^3^} O,
G-A3, I-2B, CP65

117‑81‑7 *bis*(2-Ethylhexyl) Phthalate 5 mg/m^3^ PEL G-A3, N-2, CP65

117‑81‑7 *di*(2-Ethylhexyl) Phthalate 5 mg/m^3^ PEL G-A3, N-2, CP65

33419‑42‑0 Etoposide n.o.s. I-2A

33419‑42‑0  Etoposide (in combination with cisplatin and bleomycin)
n.o.s. I-1

72490‑01‑8 Fenoxycarb n.o.s. CP65

10294‑52‑7  Ferric Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

59536‑65‑1 Firemaster BP-6 {PBBs} n.o.s. I-2B, N-2, CP65

67774‑32‑7 Firemaster FF-1 {PBBs} n.o.s. I-2B, N-2, CP65

133‑07‑3 Folpet n.o.s. CP65

50‑00‑0  Formaldehyde \[1910.1048\] *I*A **C** 0.3 ppm TLV {**C** 0.37
mg/m^3^} O, G-A2, I-2A, N-2, CP65

3570‑75‑0 2-(2-Formylhydrazino)-4-(5-nitro-2-furyl)thiazole n.o.s. I-2B,
CP65

1327‑53‑3  Fowler\'s Solution, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1,
I-1, N-1, CP65

68476‑33‑5 Fuel Oil, Residual (Heavy) n.o.s. I-2B, CP65

68476‑31‑3 Fuel Oil #4 100 mg/m^3^ TLV G-A3, I-2B

116355‑83‑0 Fumonisin B~1~ n.o.s. I-2B, CP65

110‑00‑9 Furan n.o.s. I-2B, N-2, CP65

531‑82‑8 Furathiazole n.o.s. I-2B, CP65

67‑45‑8 Furazolidone n.o.s. CP65

60568‑05‑0 Furmecyclox n.o.s. CP65

0‑74‑0  Furniture and Cabinet Making I n.o.s. I-1

79748‑81‑5 Fusarin C n.o.s. CP65

1303‑00‑0  Gallium Arsenide IG 3 µg/m^3^ TLV^H^ O, G-A3^H^, I-1, N-1,
CP65

0‑57‑0  Gamma Radiation n.o.s. I-1

82410‑32‑0 Ganciclovir Sodium n.o.s. CP65

0‑34‑0 Gasoline, Unleaded (wholly vaporized) I n.o.s. G-A3, I-2B, CP65

8006‑61‑9 Gasoline 300 ppm TLV {890 mg/m^3^} G-A3, I-2B

86290‑81‑5 Gasoline 300 ppm TLV {890 mg/m^3^} G-A3, I-2B

0‑33‑0 Gasoline Engine Exhaust (condensates/extracts) I n.o.s. I-2B,
CP65

25812‑30‑0 Gemfibrozil n.o.s. CP65

0‑27‑0 Glasswool (CP65: airborne particles of respirable size) *I*S 5
mg/m^3^ PEL (respirable) {1 f/cc TLV} G-A3, I-2B, N-2, CP65

67730‑11‑4
Glu-P-1(2-Amino-6-methyldipyrido\[1,2-*a*:3\',2\'-*d*\]imidazole) n.o.s.
I-2B, CP65

67730‑10‑3 Glu-P-2(2-Aminodipyrido\[1,2-*a*:3\',2\'-*d*\]imidazole)
n.o.s. I-2B, CP65

765‑34‑4 Glycidaldehyde n.o.s. I-2B, CP65

556‑52‑5 Glycidol *I*SG 2 ppm TLV {6.1 mg/m^3^} G-A3, I-2A, N-2, CP65

126‑07‑8 Griseofulvin n.o.s. I-2B, CP65

16568‑02‑8 Gyromitrin n.o.s. CP65

0‑75‑0 Hairdresser or Barber (occ. exposure as a) n.o.s. I-2A

2784‑94‑3 HC Blue No.1 I n.o.s. I-2B, CP65

0‑66‑0  Hematite Mining (underground) with exposure to radon n.o.s. I-1

76‑44‑8 Heptachlor S 0.05 mg/m^3^ TLV G-A3, I-2B, CP65

1024‑57‑3 Heptachlor Epoxide S 0.05 mg/m^3^ TLV G-A3, I-2B, CP65

36355‑01‑8 Hexabromobiphenyl {PBBs} n.o.s. N-2

67774‑32‑7 Hexabromobiphenyl {PBBs} n.o.s. I-2B, N-2, CP65

118‑74‑1 Hexachlorobenzene S 2 µg/m^3^ TLV G-A3, I-2B, N-2, CP65

608‑73‑1 Hexachlorocyclohexane (technical grade) n.o.s. I-2B, N-2, CP65

319‑84‑6 *alpha*-Hexachlorocyclohexane n.o.s. I-2B, N-2, CP65

319‑85‑7 *beta*-Hexachlorocyclohexane n.o.s. I-2B, N-2, CP65

58‑89‑9 *gamma*-Hexachlorocyclohexane S 0.5 mg/m^3^ PEL G-A3, I-2B, N-2,
CP65

34465‑46‑8 Hexachlorodibenzodioxin n.o.s. CP65

67‑72‑1 Hexachloroethane SG 1 ppm PEL {9.7 mg/m^3^} G-A3, I-2B, N-2,
CP65

680‑31‑9 Hexamethylphosphoramide I*S* n.o.s. G-A3, I-2B, N-2, CP65

302‑01‑2 Hydrazine *S* 10 ppb TLV {13 µg/m^3^} G-A3, I-2B, N-2, CP65

10034‑93‑2 Hydrazine Sulfate n.o.s. N-2, CP65

122‑66‑7 Hydrazobenzene n.o.s. N-2, CP65

129‑43‑1 1-Hydroxyanthraquinone n.o.s. I-2B

193‑39‑5 Indeno\[1,2,3-*cd*\]pyrene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

22398‑80‑7 Indium Phosphide 0.1 mg/m^3^ TLV CP65

7440‑38‑2  Inorganic Arsenic \[1910.1018\] - \[see specific compound\]
IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

0‑43‑0  Involuntary Smoking I n.o.s. I-1

36734‑19‑7 Iprodione n.o.s. CP65

76180‑96‑6 IQ(2-Amino-3-methylimidazo\[4,5-*f*\]quinoline) n.o.s. I-2A,
N-2, CP65

10294‑52‑7  Iron (III) Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

10294‑53‑8  Iron (III) Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

0‑67‑0  Iron and Steel Founding I n.o.s. I-1

9004‑66‑4 Iron Dextran Complex n.o.s. I-2B, N-2, CP65

542‑56‑3 Isobutyl Nitrite **C** 1 ppm TLV G-A3, CP65

78‑79‑5 Isopentadiene n.o.s. I-2B, N-2, CP65

78‑79‑5 Isoprene n.o.s. I-2B, N-2, CP65

0‑50‑0  Isopropyl Alcohol Manufacture (strong-acid process) *I*S n.o.s.
I-1, N-1

120‑58‑1 Isosafrole n.o.s. CP65

141112‑29‑0 Isoxaflutole n.o.s. CP65

37317‑41‑2 Kanechlor^®^ 500 {PCBs} n.o.s. N-2, CP65

143‑50‑0 Kepone^®^ n.o.s. I-2B, N-2, CP65

77501‑63‑4 Lactofen n.o.s. CP65

303‑34‑4 Lasiocarpine n.o.s. I-2B, CP65

7439‑92‑1 Lead & Pb compounds, inorganic, as Pb - \[see specific
compound\] IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

301‑04‑2 Lead Acetate IG 50 µg/m^3^ PEL G-A3, I-2B, N-2, CP65

13510‑89‑9 Lead Antimonate (V) IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

3687‑31‑8  Lead Arsenate, as As^3+^ IG 10 µg/m^3^ PEL O, I-1, N-1, CP65

7645‑25‑2  Lead Arsenate, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

7784‑40‑9  Lead Arsenate, as As^3+^ IG 10 µg/m^3^ PEL O, I-1, N-1, CP65

10102‑48‑4  Lead Arsenate, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

10031‑13‑7  Lead Arsenite, as As^3+^ IG 10 µg/m^3^ PEL O, G-A1, I-1,
N-1, CP65

13424‑46‑9 Lead Azide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10214‑39‑8 Lead Borate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

34018‑28‑5 Lead Bromate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10031‑22‑8 Lead Bromide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

819‑73‑8 Lead Butyrate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10294‑47‑0 Lead Chlorate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7758‑95‑4 Lead Chloride IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7758‑97‑6  Lead Chromate, as Cr^6+^ I 12 µg/m^3^ TLV G-A2, I-1, N-1,
CP65

8049‑64‑7  Lead Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

18454‑12‑1  Lead Chromate Oxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

1309‑60‑0 Lead Dioxide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7783‑46‑2 Lead Fluoride IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

811‑54‑1 Lead Formate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

25808‑74‑6 Lead Hexafluorosilicate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1311‑11‑1 Lead Hydroxide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10294‑58‑3 Lead Hypophosphite IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10101‑63‑0 Lead Iodide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10190‑55‑3 Lead Molybdate (VI) IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1317‑36‑8 Lead Monoxide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10099‑74‑8 Lead Nitrate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7446‑27‑7 Lead Phosphate IG 50 µg/m^3^ PEL G-A3, I-2B, N-2, CP65

7446‑15‑3 Lead Selenate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7488‑51‑9 Lead Selenite IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1314‑27‑8 Lead Sesquioxide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10101‑94‑7 Lead Sodium Thiosulfate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1335‑32‑6 Lead Subacetate n.o.s. G-A3, I-2B, CP65

7446‑14‑2 Lead Sulfate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1314‑87‑0 Lead Sulfide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1314‑91‑6 Lead Telluride IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7783‑59‑7 Lead Tetrafluoride IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1314‑41‑6 Lead Tetraoxide IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

592‑87‑0 Lead Thiocyanate IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

7759‑01‑5 Lead Tungstate (VI) IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

10099‑79‑3 Lead Vanadate (V) IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

1319‑48‑8 Leadhillite IG 50 µg/m^3^ PEL G-A3, I-2B, CP65

58‑89‑9 Lindane S 0.5 mg/m^3^ PEL G-A3, I-2B, N-2, CP65

0‑08‑0  Lithium Bichromate Dihydrate, as Cr^6+^ \[water soluble\] I
0.05 mg/m^3^ TLV G-A1, I-1, N-1, CP65

7789‑01‑7  Lithium Chromate, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

14307‑35‑8  Lithium Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

13843‑81‑7  Lithium Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

13010‑47‑4 Lomustine n.o.s. I-2A, N-2, CP65

52‑76‑6 Lynestrenol n.o.s. CP65

0‑68‑0  Magenta (manufacture of) n.o.s. I-1

632‑99‑5 Magenta (containing C.I. Basic Red 9) I n.o.s. I-2B

10103‑50‑1  Magnesium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

13423‑61‑5  Magnesium Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

0‑63‑0 Magnetic Fields (extremely low frequency) n.o.s. I-2B

8018‑01‑7 Mancozeb n.o.s. CP65

12427‑38‑2 Maneb n.o.s. CP65

68334‑30‑5 Marine Diesel Fuel S 100 mg/m^3^ TLV G-A3, I-2B

101‑14‑4 ? MBOCA S 0.01 ppm TLV {0.11 mg/m^3^} G-A2, I-2A, N-2, CP65

68006‑83‑7 MeA-*alpha*-C(2-Amino-3-methyl-9H-pyrido\[2,3-*b*\]indole)
n.o.s. I-2B, CP65

13909‑09‑6  MeCCNU n.o.s. I-1, N-1, CP65

51‑75‑2 Mechlorethamine n.o.s. I-2A, N-2, CP65

55‑86‑7 Mechlorethamine Hydrochloride n.o.s. N-2, CP65

71‑58‑9 Medroxyprogesterone Acetate n.o.s. I-2B, CP65

77094‑11‑2 MeIQ (2-Amino-3,4-dimethylimidazo\[4,5-*f*\]quinoline) n.o.s.
I-2B, CP65

77500‑04‑0 MeIQx (2-Amino-3,8-dimethylimidazo\[4,5-*f*\]quinoxaline)
n.o.s. I-2B, CP65

148‑82‑3  Melphalan n.o.s. I-1, N-1, CP65

13444‑75‑2  Mercuric Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

7789‑10‑8  Mercuric Dichromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

13444‑75‑2  Mercury (II) Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

7789‑10‑8  Mercury (II) Dichromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

531‑76‑0 Merphalan n.o.s. I-2B, CP65

72‑33‑3  Mestranol SG n.o.s. I-1, N-2, CP65

137‑42‑8 Metham Sodium n.o.s. CP65

75‑09‑2  Methane Dichloride \[1910.1052\] *I*S 25 ppm PEL {87 mg/m^3^}
O, G-A3, I-2B, N-2, CP65

1665‑00‑5  Methane-d~2~ Dichloride {CD~2~Cl~2~} \[1910.1052\] *I*S 25
ppm PEL {87 mg/m^3^} O, G-A3, I-2B, N-2, CP65

298‑81‑7  Methoxsalen S n.o.s. I-1

298‑81‑7  Methoxsalen plus UV--A radiation S n.o.s. I-1, N-1, CP65

484‑20‑8 5-Methoxypsoralen plus UV--A radiation n.o.s. I-2A, CP65

484‑20‑8 5-Methoxypsoralen n.o.s. I-2A

298‑81‑7  8-Methoxypsoralen plus UV--A radiation S n.o.s. I-1, N-1,
CP65

598‑55‑0 Methyl Carbamate n.o.s. CP65

60‑34‑4 Methyl Hydrazine (and its salts) S 0.01 ppm TLV {19 µg/m^3^}
G-A3, CP65

74‑88‑4 Methyl Iodide S 2 ppm TLV {11.6 mg/m^3^} CP65

66‑27‑3 Methyl Methanesulfonate n.o.s. I-2A, N-2, CP65

129‑15‑7 2-Methyl-1-nitroanthraquinone n.o.s. I-2B, CP65

78‑79‑5 2-Methyl-1,3-butadiene n.o.s. I-2B, N-2, CP65

51‑75‑2 N-Methyl-*bis*(2-chloroethyl) Amine n.o.s. I-2A, N-2, CP65

13909‑09‑6  Methyl-CCNU n.o.s. I-1, N-1, CP65

70‑25‑7 N-Methyl-N\'-nitro-N-nitrosoguanidine n.o.s. I-2A, N-2, CP65

615‑53‑2 N-Methyl-N-nitrosourethane n.o.s. I-2B, CP65

684‑93‑5 N-Methyl-N-nitrosourea n.o.s. I-2A, N-2, CP65

120‑71‑8 Methyl-*o*-anisidine n.o.s. I-2B, N-2, CP65

75‑55‑8 2-Methylaziridine S 2 ppm PEL {4.7 mg/m^3^} G-A3, I-2B, N-2,
CP65

590‑96‑5 Methylazoxymethanol n.o.s. CP65

592‑62‑1 Methylazoxymethanol Acetate n.o.s. I-2B, CP65

107‑30‑2  Methylchloro Methyl Ether IS \[1910.1003\] O, G-A2, I-1, N-1,
CP65

56‑49‑5 3-Methylcholanthrene n.o.s. CP65

3697‑24‑3 5-Methylchrysene {PAH} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

101‑14‑4 ? 4,4\'-Methylene *bis*(2-Chloroaniline) S 0.01 ppm TLV {0.11
mg/m^3^} G-A2, I-2A, N-2, CP65

838‑88‑0 4,4\'-Methylene *bis*(2-Methylaniline) n.o.s. I-2B, CP65

101‑61‑1 4,4\'-Methylene *bis*(N,N-dimethyl) Benzenamine n.o.s. N-2,
CP65

75‑09‑2  Methylene Chloride \[1910.1052\] *I*S 25 ppm PEL {87 mg/m^3^}
O, G-A3, I-2B, N-2, CP65

1665‑00‑5  Methylene-d~2~ Chloride {CD~2~Cl~2~} \[1910.1052\] *I*S 25
ppm PEL {87 mg/m^3^} O, G-A3, I-2B, N-2, CP65

101‑77‑9  4,4\'-Methylenedianiline \[1910.1050\] S 10 ppb PEL {0.081
mg/m^3^} O, G-A3, I-2B, N-2, CP65

13552‑44‑8 4,4\'-Methylenedianiline Dihydrochloride n.o.s. N-2, CP65

93‑15‑2 Methyleugenol n.o.s. N-2, CP65

115‑09‑3 Methylmercury Chloride n.o.s. I-2B, CP65

0‑09‑0 Methylmercury compounds 0.01 mg/m^3^ PEL I-2B, CP65

502‑39‑6 Methylmercury Dicyandiamide n.o.s. I-2B, CP65

924‑42‑5 N-Methylolacrylamide n.o.s. CP65

56‑04‑2 Methylthiouracil n.o.s. I-2B, CP65

9006‑42‑2 Metiram n.o.s. CP65

443‑48‑1 Metronidazole n.o.s. I-2B, N-2, CP65

136‑45‑8 MGK Repellant 326 n.o.s. CP65

101‑61‑1 Michler\'s Base n.o.s. N-2, CP65

90‑94‑8 Michler\'s Ketone n.o.s. N-2, CP65

8002‑05‑9  Mineral Oil (untreated/poorly and mildly refined/treated)
ISG 0.2 mg/m^3^ TLV^E^ (inhalable particulate) G-A2^E^, I-1, N-1, CP65

2385‑85‑5 Mirex n.o.s. I-2B, N-2, CP65

50‑07‑7 Mitomycin C n.o.s. I-2B, CP65

65271‑80‑9 Mitoxantrone n.o.s. I-2B

70‑25‑7 MNNG n.o.s. I-2A, N-2, CP65

101‑14‑4 ? MOCA^®^ S 0.01 ppm TLV {0.11 mg/m^3^} G-A2, I-2A, N-2, CP65

8005‑36‑5  Molybdenum Orange, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

12213‑61‑5  Molybdenum Orange, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

12656‑85‑8  Molybdenum Orange, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

12709‑98‑7  Molybdenum Orange, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

64523‑06‑4  Molybdenum Orange, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

107‑30‑2  Monochlorodimethyl Ether IS \[1910.1003\] O, G-A2, I-1, N-1,
CP65

315‑22‑0 Monocrotaline n.o.s. I-2B, CP65

139‑91‑3
5-(Morpholinomethyl)-3-\[(5-nitrofurfurylidene)amino\]-2-oxazolidinone
n.o.s. CP65

3795‑88‑8
5-(Morpholinomethyl)-3-\[(5-nitrofurfurylidene)amino\]-2-oxazolidinone
n.o.s. I-2B

505‑60‑2  Mustard Gas IA n.o.s. I-1, N-1, CP65

77439‑76‑0 MX(3-chloro-4-dichloromethyl-5-hydroxy-2(5H)-furanone) n.o.s.
CP65

55‑98‑1  Myleran^®^ *G* n.o.s. I-1, N-1, CP65

3771‑19‑5 Nafenopin n.o.s. I-2B, CP65

389‑08‑2 Nalidixic Acid n.o.s. CP65

91‑20‑3 Naphthalene IS 10 ppm PEL {50 mg/m^3^} I-2B, CP65

134‑32‑7  1-Naphthylamine \[1910.1003\] O, CP65

91‑59‑8  2-Naphthylamine \[1910.1003\] O, G-A1, I-1, N-1, CP65

134‑32‑7  *alpha*-Naphthylamine \[1910.1003\] O, CP65

91‑59‑8  *beta*-Naphthylamine \[1910.1003\] O, G-A1, I-1, N-1, CP65

55‑18‑5 NDEA n.o.s. I-2A, N-2, CP65

16565‑95‑0  Neodymium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

16569‑87‑2  Neodymium Chromate Heptahydrate, as Cr^6+^ I 0.01 mg/m^3^
TLV G-A1, I-1, N-1, CP65

0‑58‑0  Neutrons n.o.s. I-1

7440‑02‑0  Nickel metal powder & Ni alloys/compounds, as Ni - \[see
specific compound\] I 1 mg/m^3^ PEL {inhalable fraction} G-A5 (Ni^0^),
I-2B, N-1, CP65

13478‑00‑7  Nickel (II) Nitrate Hexahydrate, as Ni \[water soluble\] I
0.1 mg/m^3^ TLV G-A4, I-1, N-1, CP65

373‑02‑4  Nickel Acetate \[water soluble\] I 0.1 mg/m^3^ TLV G-A4, I-1,
N-1, CP65

3264‑82‑2  Nickel Acetylacetonate \[water soluble\] I 0.1 mg/m^3^ TLV
G-A4, I-1, N-1, CP65

13462‑88‑9  Nickel Bromide \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

3333‑39‑3  Nickel Carbonate I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

3333‑67‑3  Nickel Carbonate I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

12607‑70‑4  Nickel Carbonate Hydroxide I 0.2 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

13463‑39‑3  Nickel Carbonyl I 1 ppb PEL {7 µg/m^3^} I-1, N-1, CP65

7718‑54‑9  Nickel Chloride \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

557‑19‑7  Nickel Cyanide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

13478‑93‑8  Nickel Dimethylglyoxime I 0.2 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

10028‑18‑9  Nickel Fluoride \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

3349‑06‑2  Nickel Formate \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

11113‑74‑9  Nickel Hydroxide \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

12054‑48‑7  Nickel Hydroxide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

12125‑56‑3  Nickel Hydroxide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

13462‑90‑3  Nickel Iodide \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

1313‑99‑1  Nickel Monoxide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

13138‑45‑9  Nickel Nitrate \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

547‑67‑1  Nickel Oxalate I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

1313‑99‑1  Nickel Oxide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

13520‑61‑1  Nickel Perchlorate Hexahydrate \[water soluble\] I 0.1
mg/m^3^ TLV G-A4, I-1, N-1, CP65

10381‑36‑9  Nickel Phosphate I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

0‑69‑0 Nickel Refinery Dust (from the pyrometallurgical process) 1.5
mg/m^3^ TLV {inhalable fraction} CP65

1314‑06‑3  Nickel Sesquioxide I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

12035‑72‑2  Nickel Subsulfide I 0.1 mg/m^3^ TLV G-A1, I-1, N-1, CP65

13770‑89‑3  Nickel Sulfamate I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

7786‑81‑4  Nickel Sulfate \[water soluble\] I 0.1 mg/m^3^ TLV G-A4,
I-1, N-1, CP65

37227‑61‑5  Nickel-Beryllium Alloy, as Ni fume or dust \[also see Be\]
I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

1271‑28‑9  Nickelocene I 0.2 mg/m^3^ TLV G-A1, I-1, N-1, CP65

61‑57‑4 Niridazole n.o.s. I-2B, CP65

139‑13‑9 Nitrilotriacetic Acid (and its salts) I n.o.s. I-2B, N-2, CP65

10042‑84‑9 Nitrilotriacetic Acid , Sodium Salt (unspecified) I n.o.s.
I-2B, N-2, CP65

15467‑20‑6 Nitrilotriacetic Acid, Disodium Salt I n.o.s. I-2B, N-2, CP65

23255‑03‑0 Nitrilotriacetic Acid, Disodium Salt, Hydrate I n.o.s. I-2B,
N-2, CP65

18994‑66‑6 Nitrilotriacetic Acid, Monosodium Salt I n.o.s. I-2B, N-2,
CP65

5064‑31‑3 Nitrilotriacetic Acid, Trisodium Salt I n.o.s. I-2B, N-2, CP65

18662‑53‑8 Nitrilotriacetic Acid, Trisodium Salt, Hydrate I n.o.s. I-2B,
N-2, CP65

531‑82‑8 N-\[4-(5-Nitro-2-furyl)-2-thiazolyl\]acetamide n.o.s. I-2B,
CP65

99‑59‑2 5-Nitro-*o*-anisidine n.o.s. CP65

602‑87‑9 5-Nitroacenaphthene n.o.s. I-2B, CP65

91‑23‑6 2-Nitroanisole n.o.s. I-2B, N-2, CP65

91‑23‑6 *o*-Nitroanisole n.o.s. I-2B, N-2, CP65

98‑95‑3 Nitrobenzene S 1 ppm PEL {5 mg/m^3^} G-A3, I-2B, CP65

92‑93‑3  4-Nitrobiphenyl S \[1910.1003\] O, G-A2, CP65

100‑00‑5 *p*-Nitrochlorobenzene S 1 mg/m^3^ PEL {0.1 ppm TLV} G-A3, CP65

7496‑02‑8 6-Nitrochrysene I n.o.s. I-2B, N-2, CP65

92‑93‑3  4-Nitrodiphenyl S \[1910.1003\] O, G-A2, CP65

1836‑75‑5 Nitrofen (technical grade) n.o.s. I-2B, N-2, CP65

607‑57‑8 2-Nitrofluorene I n.o.s. I-2B, CP65

59‑87‑0 Nitrofurazone n.o.s. CP65

555‑84‑0 1-\[(5-Nitrofurfurylidene)amino\]-2-imidazolidinone n.o.s.
I-2B, CP65

51‑75‑2 Nitrogen Mustard n.o.s. I-2A, N-2, CP65

55‑86‑7 Nitrogen Mustard Hydrochloride n.o.s. N-2, CP65

126‑85‑2 Nitrogen Mustard N-oxide n.o.s. I-2B, CP65

302‑70‑5 Nitrogen Mustard N-oxide Hydrochloride n.o.s. I-2B, CP65

75‑52‑5 Nitromethane 20 ppm TLV {49.9 mg/m^3^} G-A3, I-2B, CP65

79‑46‑9 2-Nitropropane I 10 ppm TLV {37 mg/m^3^} G-A3, I-2B, N-2, CP65

5522‑43‑0 1-Nitropyrene I n.o.s. I-2B, N-2, CP65

57835‑92‑4 4-Nitropyrene I n.o.s. I-2B, N-2, CP65

3817‑11‑6 N-Nitroso-*n*-butyl-N-(4-hydroxybutyl)amine n.o.s. N-2

38252‑74‑3 N-Nitroso-*n*-butyl-N-(3-carboxypropyl)amine n.o.s. N-2

759‑73‑9 N-Nitroso-N-ethylurea n.o.s. I-2A, N-2, CP65

615‑53‑2 N-Nitroso-N-methylurethane n.o.s. I-2B, CP65

684‑93‑5 N-Nitroso-N-methylurea n.o.s. I-2A, N-2, CP65

924‑16‑3 N-Nitrosodi-*n*-butylamine n.o.s. I-2B, N-2, CP65

621‑64‑7 N-Nitrosodi-*n*-propylamine n.o.s. I-2B, N-2, CP65

1116‑54‑7 N-Nitrosodiethanolamine n.o.s. I-2B, N-2, CP65

55‑18‑5 N-Nitrosodiethylamine n.o.s. I-2A, N-2, CP65

62‑75‑9  N-Nitrosodimethylamine S \[1910.1003\] O, G-A3, I-2A, N-2,
CP65

86‑30‑6 N-Nitrosodiphenylamine n.o.s. CP65

156‑10‑5 *p*-Nitrosodiphenylamine n.o.s. CP65

60153‑49‑3 3-(N-Nitrosomethylamino)propionitrile n.o.s. I-2B, CP65

64091‑91‑4 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanone n.o.s.
I-2B, N-2, CP65

10595‑95‑6 N-Nitrosomethylethylamine n.o.s. I-2B, CP65

4549‑40‑0 N-Nitrosomethylvinylamine n.o.s. I-2B, N-2, CP65

59‑89‑2 N-Nitrosomorpholine n.o.s. I-2B, N-2, CP65

16543‑55‑8 N\'-Nitrosonornicotine n.o.s. I-2B, N-2, CP65

100‑75‑4 N-Nitrosopiperidine n.o.s. I-2B, N-2, CP65

930‑55‑2 N-Nitrosopyrrolidine n.o.s. I-2B, N-2, CP65

13256‑22‑9 N-Nitrososarcosine n.o.s. I-2B, N-2, CP65

88‑72‑2 *o*-Nitrotoluene S 2 ppm TLV {11.2 mg/m^3^} CP65

64091‑91‑4 NNK n.o.s. I-2B, N-2, CP65

0‑10‑0 Non-Arsenical Insecticides (occ. exposures in spraying and
application of) I n.o.s. I-2A

68‑22‑4 Norethindrone n.o.s. I-2B, N-2, CP65

68‑22‑4 Norethisterone n.o.s. I-2B, N-2, CP65

68‑23‑5 Norethynodrel n.o.s. CP65

303‑47‑9 Ochratoxin A G n.o.s. I-2B, N-2, CP65

61288‑13‑9 Octabromobiphenyl {PBBs} n.o.s. N-2, CP65

117‑81‑7 *di-sec-*Octylphthalate 5 mg/m^3^ PEL G-A3, N-2, CP65

0‑22‑0  Oestrogens, Nonsteroidal and Steroidal SG n.o.s. I-1

2646‑17‑5 Oil Orange SS n.o.s. I-2B, CP65

19666‑30‑9 Oxadiazon n.o.s. CP65

604‑75‑1 Oxazepam n.o.s. I-2B, CP65

101‑80‑4 4,4\'-Oxydianiline n.o.s. I-2B, N-2, CP65

434‑07‑1 Oxymetholone n.o.s. N-2, CP65

2439‑01‑2 Oxythioquinox n.o.s. CP65

3697‑24‑3 PAH {5-Methylchrysene} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

194‑59‑2 PAH {7H-Dibenzo\[*c,g*\]carbazole} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

50‑32‑8 ? PAH {Benzo\[*a*\]pyrene} 0.2 mg/m^3^ PEL G-A2, I-2A, N-2, CP65

205‑99‑2 ? PAH {Benzo\[*b*\]fluoranthene} I 0.2 mg/m^3^ PEL G-A2, I-2B,
N-2, CP65

205‑82‑3 PAH {Benzo\[*j*\]fluoranthene} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

207‑08‑9 PAH {Benzo\[*k*\]fluoranthene} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

56‑55‑3 ? PAH {Benz\[*a*\]anthracene} I 0.2 mg/m^3^ PEL G-A2, I-2A, N-2,
CP65

192‑65‑4 PAH {Dibenzo\[*a,e*\]pyrene} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

189‑64‑0 PAH {Dibenzo\[*a,h*\]pyrene} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

189‑55‑9 PAH {Dibenzo\[*a,i*\]pyrene} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

191‑30‑0 PAH {Dibenzo\[*a,l*\]pyrene} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

226‑36‑8 PAH {Dibenz\[*a,h*\]acridine} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

53‑70‑3 PAH {Dibenz\[*a,h*\]anthracene} I 0.2 mg/m^3^ PEL I-2A, N-2,
CP65

224‑42‑0 PAH {Dibenz\[*a,j*\]acridine} I 0.2 mg/m^3^ PEL I-2B, N-2, CP65

193‑39‑5 PAH {Indeno\[1,2,3-*cd*\]pyrene} I 0.2 mg/m^3^ PEL I-2B, N-2,
CP65

0‑35‑0 PAH {Polycyclic Aromatic Hydrocarbon(s); see 15 specific
chemicals} I 0.2 mg/m^3^ PEL N-2, CP65

0‑76‑0  Painter (occ. exposure as a) n.o.s. I-1

12174‑11‑7 Palygorskite (long fibers, \> 5 µm) I n.o.s. I-2B, CP65

794‑93‑4 Panfuran S (containing dihydroxymethylfuratrizine) n.o.s. I-2B,
CP65

30525‑89‑4  Paraformaldehyde *I*A **C** 0.3 ppm TLV {**C** 0.37
mg/m^3^} O, G-A2, I-2A, N-2

65996‑93‑2  Particulate Polycyclic Aromatic Hydrocarbons \[PPAH\] I 0.2
mg/m^3^ PEL G-A1, I-1, N-1

67774‑32‑7 PBBs {Polybrominated Biphenyls} n.o.s. I-2B, N-2, CP65

1336‑36‑3 PCBs {Polychorinated Biphenyls} n.o.s. I-2A, N-2, CP65

87‑86‑5 Pentachlorophenol S 0.5 mg/m^3^ PEL G-A3, I-2B, CP65

127‑18‑4 Perchloroethylene 25 ppm TLV {170 mg/m^3^} G-A3, I-2A, N-2,
CP65

0‑77‑0 Petroleum Refining (occ. exposure in) n.o.s. I-2A

0‑25‑0  Phenacetin contained in analgesic mixtures n.o.s. I-1, N-1,
CP65

62‑44‑2 Phenacetin n.o.s. I-2A, N-2, CP65

94‑78‑0 Phenazopyridine n.o.s. N-2, CP65

136‑40‑3 Phenazopyridine Hydrochloride n.o.s. I-2B, N-2, CP65

3546‑10‑9 Phenesterin n.o.s. CP65

50‑06‑6 Phenobarbital n.o.s. I-2B, CP65

77‑09‑8 Phenolphthalein n.o.s. I-2B, N-2, CP65

59‑96‑1 Phenoxybenzamine n.o.s. CP65

63‑92‑3 Phenoxybenzamine Hydrochloride n.o.s. I-2B, N-2, CP65

122‑60‑1 Phenyl Glycidyl Ether S 0.1 ppm TLV {0.6 mg/m^3^} G-A3, I-2B,
CP65

95‑54‑5 *o*-Phenylenediamine (and its salts) 0.1 mg/m^3^ TLV G-A3, CP65

100‑42‑5 Phenylethylene S 20 ppm TLV {85 mg/m^3^} I-2B

100‑63‑0 Phenylhydrazine (and its salts) S 0.1 ppm TLV {0.44 mg/m^3^}
G-A3, CP65

132‑27‑4 *o*-Phenylphenate, Sodium n.o.s. I-2B, CP65

90‑43‑7 *o*-Phenylphenol n.o.s. CP65

57‑41‑0 Phenytoin n.o.s. I-2B, N-2, CP65

630‑93‑3 Phenytoin (sodium salt) n.o.s. CP65

105650‑23‑5 PhIP (2-Amino-1-methyl-6-phenylimidazo\[4,5-*b*\]pyridine)
n.o.s. I-2B, CP65

7723‑14‑0  Phosphorus (as ^32^P, as phosphate) n.o.s. I-1

7280‑37‑7  Piperazine Estrone Sulfate n.o.s. N-1, CP65

7440‑07‑5  Plutonium (as ^239^Pu, and its decay products \[may contain
other isotopes\], as aerosols) n.o.s. I-1

59536‑65‑1 Polybrominated Biphenyls {PBBs} n.o.s. I-2B, N-2, CP65

67774‑32‑7 Polybrominated Biphenyls {PBBs} n.o.s. I-2B, N-2, CP65

1336‑36‑3 Polychlorinated Biphenyls {PCBs} n.o.s. I-2A, N-2, CP65

8001‑35‑2 Polychlorinated Camphene S 0.5 mg/m^3^ PEL G-A3, I-2B, N-2,
CP65

0‑15‑0 Polychlorinated Dibenzo-*p*-dioxins n.o.s. CP65

0‑16‑0 Polychlorinated Dibenzofurans n.o.s. CP65

0‑14‑0 Polychlorophenols (and their sodium salts) (mixed exposure)
n.o.s. I-2B

0‑35‑0 Polycyclic Aromatic Hydrocarbon(s) {PAH; see 15 specific
chemicals} I 0.2 mg/m^3^ PEL N-2, CP65

53973‑98‑1 Polygeenan n.o.s. CP65

3564‑09‑8 Ponceau 3R n.o.s. I-2B, CP65

3761‑53‑3 Ponceau MX n.o.s. I-2B, CP65

7784‑41‑0  Potassium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

13464‑35‑2  Potassium Arsenite IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1,
CP65

7758‑01‑2 Potassium Bromate n.o.s. I-2B, CP65

7789‑00‑6  Potassium Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

7778‑50‑9  Potassium Dichromate , as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

125‑33‑7 Primidone n.o.s. CP65

0‑78‑0 Printing Processes (occ. exposure in) n.o.s. I-2B

671‑16‑9 Procarbazine n.o.s. I-2A, N-2, CP65

366‑70‑1 Procarbazine Hydrochloride n.o.s. I-2A, N-2, CP65

32809‑16‑8 Procymidone n.o.s. CP65

57‑83‑0 Progesterone (Indirect) n.o.s. N-2, CP65

0‑24‑0 Progestins n.o.s. I-2B

23950‑58‑5 Pronamide n.o.s. CP65

1918‑16‑7 Propachlor n.o.s. CP65

1120‑71‑4 1,3-Propane Sultone n.o.s. G-A3, I-2B, N-2, CP65

2312‑35‑8 Propargite n.o.s. CP65

57‑57‑8  *beta*-Propiolactone S \[1910.1003\] {0.5 ppm TLV, 1.5
mg/m^3^} O, G-A3, I-2B, N-2, CP65

136‑45‑8 *di*-n-Propyl Isocinchomeronate n.o.s. CP65

78‑87‑5 Propylene Dichloride 75 ppm TLV {347 mg/m^3^} CP65

75‑56‑9 Propylene Oxide 2 ppm TLV {4.8 mg/m^3^} G-A3, I-2B, N-2, CP65

75‑55‑8 Propyleneimine S 2 ppm PEL {4.7 mg/m^3^} G-A3, I-2B, N-2, CP65

51‑52‑5 Propylthiouracil n.o.s. I-2B, N-2, CP65

110‑86‑1 Pyridine 1 ppm TLV G-A3, CP65

14808‑60‑7  Quartz {Silica (respirable) - Crystalline} I 0.025 mg/m^3^
TLV^H^ (respirable fraction) G-A2, I-1, N-1, CP65

91‑22‑5 Quinoline (and its strong acid salts) n.o.s. CP65

0‑59‑0  Radioiodines (short-lived isotopes including ^131^I) n.o.s. I-1

0‑60‑0  Radionuclides, *alpha*-particle-emitting (internally deposited)
n.o.s. I-1, CP65

0‑61‑0  Radionuclides, *beta*-particle-emitting (internally deposited)
n.o.s. I-1, CP65

7440‑14‑4  Radium (as ^224^Ra, and its decay products) n.o.s. I-1

7440‑14‑4  Radium (as ^226^Ra, and its decay products) n.o.s. I-1

7440‑14‑4  Radium (as ^228^Ra, and its decay products) n.o.s. I-1

10043‑92‑2  Radon (as ^222^Rn, and its decay products) *IG* 0.2--0.7
pCi/L EPA {indoor \< outdoor} I-1, N-1

409‑21‑2 ? Refractory Ceramic Fiber I 5 mg/m^3^ PEL (respirable) {0.1
f/cc TLV} G-A2, I-2B, N-2, CP65

50‑55‑5 Reserpine n.o.s. N-2, CP65

68476‑33‑5 Residual (Heavy) Fuel Oil n.o.s. I-2B, CP65

23246‑96‑0 Riddelliine n.o.s. I-2B

0‑28‑0 Rockwool I 5 mg/m^3^ PEL (respirable) {1 f/cc TLV} G-A3, I-2B

569‑61‑9 *p*-Rosaniline IS n.o.s. I-2B, N-2, CP65

0‑79‑0  Rubber Industry n.o.s. I-1

13446‑72‑5  Rubidium Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

13446‑73‑6  Rubidium Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

94‑59‑7 Safrole n.o.s. I-2B, N-2, CP65

599‑79‑1 Salicylazosulfapyridine n.o.s. CP65

16565‑96‑1  Samarium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

58569‑17‑8  Samarium Chromate Dihydrate, as Cr^6+^ I 0.01 mg/m^3^ TLV
G-A1, I-1, N-1, CP65

58477‑24‑0  Samarium Chromate Heptahydrate, as Cr^6+^ I 0.01 mg/m^3^
TLV G-A1, I-1, N-1, CP65

7446‑34‑6 Selenium Sulfide n.o.s. N-2, CP65

13909‑09‑6  Semustine n.o.s. I-1, N-1, CP65

68308‑34‑9  Shale Oils n.o.s. I-1, CP65

1317‑95‑9 Silica (respirable) - Crystalline {Tripoli} I 0.1 mg/m^3^ PEL
I-2A, CP65

14464‑46‑1  Silica (respirable) - Crystalline {Cristobalite} I 0.025
mg/m^3^ TLV^H^ (respirable fraction) G-A2^H^, I-1, N-1, CP65

14808‑60‑7  Silica (respirable) - Crystalline {Quartz} I 0.025 mg/m^3^
TLV^H^ (respirable fraction) G-A2, I-1, N-1, CP65

15468‑32‑3  Silica (respirable) - Crystalline {Tridymite} I 0.05
mg/m^3^ PEL I-2A, N-1, CP65

409‑21‑2 ? Silicon Carbide (fibrous forms, including whiskers) I 5
mg/m^3^ PEL (respirable) {0.1 f/cc TLV} G-A2, I-2B, N-2, CP65

7631‑86‑9  Silicon Dioxide - \[see specific crystalline silica form\] I
0.05 - 0.1 mg/m^3^ PEL I-2A, N-1, CP65

7784‑01‑2  Silver Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

7784‑02‑3  Silver Dichromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

0‑29‑0 Slagwool I 5 mg/m^3^ PEL (respirable) {1 f/cc TLV} G-A3, I-2B

7631‑89‑2  Sodium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

15120‑17‑9  Sodium Arsenate IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7784‑46‑5  Sodium Arsenite IG 10 µg/m^3^ PEL O, G-A1, I-1, N-1, CP65

7775‑11‑3  Sodium Chromate, as Cr^6+^ \[water soluble\] I 0.05 mg/m^3^
TLV G-A1, I-1, N-1, CP65

10588‑01‑9  Sodium Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

12018‑32‑5  Sodium Dichromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

16680‑47‑0  Sodium Equilin Sulfate n.o.s. N-1

438‑67‑5  Sodium Estrone Sulfate n.o.s. N-1

132‑27‑4 Sodium *o*-Phenylphenate n.o.s. I-2B, CP65

0‑51‑0  Solar Radiation, as UV radiation S n.o.s. I-1, N-1

0‑36‑0  Soot extracts (containing PAHs) *IS*G n.o.s. N-1, CP65

0‑37‑0  Soots {PAH} *IS*G n.o.s. I-1, N-1, CP65

0‑30‑0 Special-purpose fibers (such as E-glass and \'475\' glass fibers)
1 f/cc TLV G-A3, I-2B

52‑01‑7 Spironolactone n.o.s. CP65

38455‑77‑5  Stannic Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

10418‑03‑8 Stanozolol n.o.s. CP65

10048‑13‑2 Sterigmatocystin n.o.s. I-2B, CP65

18883‑66‑4 Streptozocin n.o.s. I-2B, N-2, CP65

18883‑66‑4 Streptozotocin n.o.s. I-2B, N-2, CP65

0‑49‑0  Strong Inorganic Acid Mists Containing Sulfuric Acid (occ.
exposure to) *I*S 0.2 mg/m^3^ TLV^G^ (thoracic fraction) G-A2, I-1, N-1,
CP65

7789‑06‑2  Strontium Chromate, as Cr^6+^ I 0.5 µg/m^3^ TLV G-A2, I-1,
N-1, CP65

54322‑60‑0  Strontium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

96‑09‑3 Styrene Epoxide n.o.s. I-2A, N-2, CP65

100‑42‑5 Styrene, Monomer S 20 ppm TLV {85 mg/m^3^} I-2B

96‑09‑3 Styrene Oxide n.o.s. I-2A, N-2, CP65

96‑09‑3 Styrene-7,8-oxide n.o.s. I-2A, N-2, CP65

95‑06‑7 Sulfallate n.o.s. I-2B, N-2, CP65

505‑60‑2  Sulfur Mustard IA n.o.s. I-1, N-1, CP65

0‑49‑0  Sulfuric Acid Mist (occ. exposure to strong inorganic acid
mists) *I*S 0.2 mg/m^3^ TLV^G^ (thoracic fraction) G-A2, I-1, N-1, CP65

0‑56‑0  Sunlamps and sunbeds, use of \[as UV radiation\] S n.o.s. I-2A,
N-1

0‑26‑0 ? Synthetic Vitreous Fibers (*see* glasswool, rockwool, slagwool)
*I*S 5 mg/m^3^ PEL (respirable) {0.2 f/cc TLV} G-A2, I-2B, N-2

93‑76‑5 2,4,5-T S 10 mg/m^3^ PEL I-2B

0‑11‑0  Talc (containing asbestos fibers) I 0.1 f/cc PEL O, G-A1, I-1,
N-1, CP65

10540‑29‑1  Tamoxifen (and its salts) n.o.s. I-1, N-1, CP65

0‑40‑0  Tars I n.o.s. N-1, CP65

1746‑01‑6  TCDD S n.o.s. I-1, N-1, CP65

584‑84‑9 TDI 5 ppb TLV {36 µg/m^3^} I-2B, N-2

29767‑20‑2 Teniposide n.o.s. I-2A

2593‑15‑9 Terrazole n.o.s. CP65

58‑22‑0 Testosterone (and its esters) n.o.s. CP65

2475‑45‑8 1,4,5,8-Tetraamino-9,10-anthracenedione I n.o.s. I-2B, N-2,
CP65

1746‑01‑6  2,3,7,8-Tetrachlorodibenzo-*p*-dioxin S n.o.s. I-1, N-1,
CP65

79‑34‑5 1,1,2,2-Tetrachloroethane S 1 ppm TLV {6.9 mg/m^3^} G-A3, CP65

127‑18‑4 Tetrachloroethylene 25 ppm TLV {170 mg/m^3^} G-A3, I-2A, N-2,
CP65

56‑23‑5 ? Tetrachloromethane *I*S 5 ppm TLV {31.5 mg/m^3^} G-A2, I-2B,
N-2, CP65

5216‑25‑1 *p*-a,a,a-Tetrachlorotoluene n.o.s. CP65

17786‑31‑1 Tetracobalt Dodecacarbonyl, as Co I 0.02 mg/m^3^ TLV G-A3,
I-2B

116‑14‑3 Tetrafluoroethylene 2 ppm TLV G-A3, I-2B, N-2, CP65

509‑14‑8 Tetranitromethane *I* 5 ppb TLV {0.04 mg/m^3^} G-A3, I-2B, N-2,
CP65

0‑80‑0 Textile Manufacturing Industry (work in) n.o.s. I-2B

13473‑75‑1  Thallium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

15190‑21‑3  Thallium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

22534‑09‑4  Thallium Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1,
N-1, CP65

13453‑35‑5  Thallium Dichromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

62‑55‑5 Thioacetamide n.o.s. I-2B, N-2, CP65

139‑65‑1 4,4\'-Thiodianiline n.o.s. I-2B, CP65

59669‑26‑0 Thiodicarb n.o.s. CP65

52‑24‑4  Thiotepa n.o.s. I-1, N-1, CP65

141‑90‑2 Thiouracil n.o.s. I-2B

62‑56‑6 Thiourea n.o.s. N-2, CP65

7440‑29‑1  Thorium (as ^232^Th, and its decay products) I n.o.s. I-1

1314‑20‑1  Thorium Dioxide J n.o.s. N-1, CP65

38455‑77‑5  Tin (IV) Chromate, as Cr^6+^ \[water soluble\] I 0.05
mg/m^3^ TLV G-A1, I-1, N-1, CP65

0‑44‑0  Tobacco Products, Smokeless S n.o.s. I-1, N-1, CP65

0‑42‑0  Tobacco Smoke I n.o.s. I-1, N-1, CP65

119‑93‑7 *o*-Tolidine S n.o.s. G-A3, I-2B, N-2, CP65

26471‑62‑5 Toluene Diisocyanate n.o.s. I-2B, N-2, CP65

95‑80‑7 Toluene-2,4-diamine n.o.s. I-2B, N-2, CP65

584‑84‑9 Toluene-2,4-diisocyanate 5 ppb TLV {36 µg/m^3^} I-2B, N-2

91‑08‑7 Toluene-2,6-diisocyanate 5 ppb TLV {36 µg/m^3^} I-2B, N-2

95‑53‑4 *o*-Toluidine *S* 2 ppm TLV {8.8 mg/m^3^} G-A3, I-2A, N-2, CP65

636‑21‑5 *o*-Toluidine Hydrochloride n.o.s. N-2, CP65

8001‑35‑2 Toxaphene S 0.5 mg/m^3^ PEL G-A3, I-2B, N-2, CP65

14567‑73‑8  Tremolite \[asbestiform\] I 0.1 f/cc PEL O, G-A1, I-1, N-1

299‑75‑2  Treosulfan n.o.s. I-1, CP65

299‑75‑2  Treosulphan n.o.s. I-1, CP65

68‑76‑8 Triaziquone n.o.s. CP65

817‑09‑4 Trichlormethine n.o.s. I-2B, CP65

50‑29‑3 1,1,1-Trichloro-2,2-*bis*(*p*-chlorophenyl)ethane IS 1 mg/m^3^
PEL G-A3, I-2B, N-2, CP65

79‑00‑5 1,1,2-Trichloroethane S 10 ppm PEL {55 mg/m^3^} G-A3, CP65

79‑01‑6 Trichloroethylene 50 ppm TLV I-2A, N-2, CP65

67‑66‑3 Trichloromethane *I*A 10 ppm TLV {48.9 mg/m^3^} G-A3, I-2B, N-2,
CP65

95‑95‑4 2,4,5-Trichlorophenol S n.o.s. I-2B

88‑06‑2 2,4,6-Trichlorophenol S n.o.s. I-2B, N-2, CP65

93‑76‑5 (2,4,5-Trichlorophenoxy) Acetic Acid S 10 mg/m^3^ PEL I-2B

96‑18‑4 1,2,3-Trichlorpropane S 10 ppm TLV {60.3 mg/m^3^} G-A3, I-2A,
N-2, CP65

15468‑32‑3  Tridymite {Silica (respirable) - Crystalline} I 0.05
mg/m^3^ PEL I-2A, N-1, CP65

512‑56‑1 Trimethyl Phosphate n.o.s. CP65

137‑17‑7 2,4,5-Trimethylaniline (and its strong acid salts) n.o.s. CP65

817‑09‑4 Trimustine Hydrochloride n.o.s. I-2B, CP65

76‑87‑9 Triphenyltin Hydroxide n.o.s. CP65

1317‑95‑9 Tripoli {Silica (respirable) - Crystalline} I 0.1 mg/m^3^ PEL
I-2A, CP65

64070‑83‑3  Trisodium Arsenate Heptahydrate IG 10 µg/m^3^ PEL O, G-A1,
I-1, N-1, CP65

62450‑06‑0 Trp-P-1(3-Amino-1,4-dimethyl-5H-pyrido\[4,3-*b*\]indole)
n.o.s. I-2B, CP65

62450‑06‑0 Trp-P-1(Tryptophan-P-1) n.o.s. I-2B, CP65

62450‑07‑1 Trp-P-2(3-Amino-1-methyl-5H-pyrido\[4,3-*b*\]indole) n.o.s.
I-2B, CP65

62450‑07‑1 Trp-P-2(Tryptophan-P-2) n.o.s. I-2B, CP65

72‑57‑1 Trypan Blue (commercial grade) n.o.s. I-2B, CP65

57‑14‑7 UDMH IS 0.01 ppm TLV {0.025 mg/m^3^} G-A3, I-2B, N-2, CP65

0‑52‑0  Ultraviolet Radiation -- Broad Spectrum S n.o.s. N-1

0‑53‑0 Ultraviolet--A Radiation {UV--A @ 315-400 nm} S n.o.s. I-2A, N-2

0‑54‑0 Ultraviolet--B Radiation {UV--B @ 280-315 nm} S n.o.s. I-2A, N-2

0‑55‑0 Ultraviolet--C Radiation {UV--C @ 100-280 nm} S n.o.s. I-2A, N-2

0‑34‑0 Unleaded Gasoline (wholly vaporized) I n.o.s. G-A3, I-2B, CP65

66‑75‑1 Uracil Mustard n.o.s. I-2B, CP65

7440‑61‑1  Uranium, natural \[soluble & insoluble compounds\] I 0.05
mg/m^3^ PEL (sol.); 0.25 mg/m^3^ PEL (insol.) G-A1

51‑79‑6 Urethane n.o.s. I-2B, N-2, CP65

50471‑44‑8 Vinclozolin n.o.s. CP65

108‑05‑4 Vinyl Acetate 10 ppm TLV G-A3, I-2B

100‑42‑5 Vinyl Benzene S 20 ppm TLV {85 mg/m^3^} I-2B

593‑60‑2 ? Vinyl Bromide 0.5 ppm TLV {2.2 mg/m^3^} G-A2, I-2A, N-2, CP65

75‑01‑4  Vinyl Chloride \[1910.1017\] 1 ppm PEL O, G-A1, I-1, N-1, CP65

107‑13‑1  Vinyl Cyanide \[1910.1045\] IS 2 ppm PEL {4.3 mg/m^3^} O,
G-A3, I-2B, N-2, CP65

100‑40‑3 4-Vinyl Cyclohexene S 0.1 ppm TLV {0.44 mg/m^3^} G-A3, I-2B,
CP65

106‑87‑6 Vinyl Cyclohexene Dioxide IS 0.1 ppm TLV {0.57 mg/m^3^} G-A3,
I-2B, N-2, CP65

75‑02‑5 ? Vinyl Fluoride 1 ppm TLV G-A2, I-2A, N-2, CP65

79‑00‑5 Vinyl Trichloride S 10 ppm PEL {55 mg/m^3^} G-A3, CP65

106‑87‑6 4-Vinyl-1-cyclohexene Diepoxide IS 0.1 ppm TLV {0.57 mg/m^3^}
G-A3, I-2B, N-2, CP65

0‑45‑0 Welding Fumes I 5 mg/m^3^ TLV I-2B

0‑46‑0  Wood Dust I 0.5 mg/m^3^ TLV^G^ (inhalable fraction) I-1, N-1

0‑47‑0  Wood Dust \[beech & oak\] I 0.5 mg/m^3^ TLV^G^ (inhalable
fraction) G-A1

0‑48‑0 ? Wood Dust \[birch, mahogany, walnut & teak\]^C^ I 0.5 mg/m^3^
TLV^G^ (inhalable fraction) G-A2

0‑62‑0  X-Radiation n.o.s. I-1

87‑62‑7 2,6-Xylidine n.o.s. I-2B, CP65

7481‑89‑2 Zalcitabine n.o.s. I-2B

30516‑87‑1 Zidovudine n.o.s. I-2B

111406‑87‑2 Zileuton n.o.s. CP65

39413‑47‑3  Zinc Beryllium Silicate, as Be *I* 0.2 µg/m^3^ TLV^C^ G-A1,
I-1, N-1, CP65

1308‑13‑0  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

1328‑67‑2  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

13530‑65‑9  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

14675‑41‑3  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

37300‑23‑5  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

57486‑12‑1  Zinc Chromate, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

12206‑12‑1  Zinc Chromate Hydroxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

15930‑94‑6  Zinc Chromate Hydroxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

66516‑58‑3  Zinc Chromate Hydroxide, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1,
I-1, N-1, CP65

11103‑86‑9  Zinc Potassium Chromate (Hydroxide), as Cr^6+^ I 0.01
mg/m^3^ TLV G-A1, I-1, N-1, CP65

12527‑08‑1  Zinc Potassium Chromate (Hydroxide), as Cr^6+^ I 0.01
mg/m^3^ TLV G-A1, I-1, N-1, CP65

37809‑34‑0  Zinc Potassium Chromate (Hydroxide), as Cr^6+^ I 0.01
mg/m^3^ TLV G-A1, I-1, N-1, CP65

1308‑13‑0  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

1328‑67‑2  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

13530‑65‑9  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

14675‑41‑3  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

37300‑23‑5  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65

57486‑12‑1  Zinc Yellow, as Cr^6+^ I 0.01 mg/m^3^ TLV G-A1, I-1, N-1,
CP65