สนับสนุนโดย 
สนับสนุนโดย
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สนับสนุนโดย
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ค่าขีดจำกัดความเข้มข้นสารในบรรยากาศการทำงาน
ต่างประเทศ: สหรัฐอเมริกา ญี่ปุ่น ไทย
ข้อมูลนี้จัดทำและเผยแพร่วันที่ 8 มิถุนายน 2563 โดยเป็นข้อมูลล่าสุด ณ เวลาดังนี้
สหรัฐอเมริกา : US OSHA ณ ปี 2017, California OSHA ณ 4/4/2018, NIOSH ณ 7/7/2016, ACGIH ณ ปี 2018
ญี่ปุ่น: ณ 2018-2019, ไทย: ณ สิงหาคม 2560
สหรัฐอเมริกา : US OSHA ณ ปี 2017, California OSHA ณ 4/4/2018, NIOSH ณ 7/7/2016, ACGIH ณ ปี 2018
ญี่ปุ่น: ณ 2018-2019, ไทย: ณ สิงหาคม 2560
| ชื่อสาร | CAS No. | สหรัฐอเมริกา | ญี่ปุ่น | ไทย |
|---|---|---|---|---|
| Acetaldehyde | 75-07-0 | US OSHA: 200 ppm 360 mg/m3 California OSHA: Ceiling: 25 ppm ACGIH: Ceiling: 25 ppm |
- | Thai PEL: 200 ppm |
| Acetic acid | 64-19-7 | US OSHA: 10 ppm 25 mg/m3 California OSHA: 8-hour TWA: 10 ppm STEL: 15 ppm Ceiling: 40 ppm NIOSH: 10-hour TWA: 10 ppm STEL: 15 ppm ACGIH: 8-hour TWA: 10 ppm STEL: 15 ppm |
JSOH OEL: 10 ppm 25 mg/m3 |
Thai PEL: 10 ppm |
| Acetic anhydride | 108-24-7 | US OSHA: 5 ppm 20 mg/m3 California OSHA: Ceiling: 5 ppm NIOSH: Ceiling: 5 ppm ACGIH: 8-hour TWA: 1 ppm STEL: 3 ppm |
- | Thai PEL: 5 ppm |
| Acetone | 67-64-1 | US OSHA: 1000 ppm 2400 mg/m3 California OSHA: 8-hour TWA: 500 ppm STEL: 750 ppm Ceiling: 3000 ppm NIOSH: 10-hour TWA: 250 ppm ACGIH: 8-hour TWA: 250 ppm STEL: 500 ppm |
JSOH OEL: 200 ppm 470 mg/m3 |
Thai PEL: 1000 ppm |
| acetone cyanohydrin, as CN | 75-86-5 | - | - | Thai PEL: Ceiling: 5 mg/m3 |
| Acetonitrile | 75-05-8 | US OSHA: 40 ppm 70 mg/m3 California OSHA: 8-hour TWA: 40 ppm STEL: 60 ppm NIOSH: 10-hour TWA: 20 ppm ACGIH: 8-hour TWA: 20 ppm |
- | Thai PEL: 40 ppm |
| Acetylene tetrabromide | 79-27-6 | US OSHA: 1 ppm 14 mg/m3 California OSHA: 8-hour TWA: 1 ppm ACGIH: 8-hour TWA: 0.1 ppm (Inhalable Fraction and Vapour) |
- | - |
| Acrolein | 107-02-8 | US OSHA: 0.1 ppm 0.25 mg/m3 California OSHA: Ceiling: 0.1 ppm NIOSH: 10-hour TWA: 0.1 ppm STEL: 3 ppm ACGIH: Ceiling: 0.1 ppm |
JSOH OEL: 0.1 ppm 0.23 mg/m3 |
Thai PEL: 0.1 ppm |
| Acrylamide | 79-06-1 | US OSHA: 0.3 mg/m3 California OSHA: 8-hour TWA: 0.03 mg/m3 NIOSH: 10-hour TWA: Ca 10-hour TWA: 0.03 mg/m3 ACGIH: 8-hour TWA: 0.03 mg/m3 (Inhalable Fraction and Vapour) |
JSOH OEL: 0.1 mg/m3 |
Thai PEL: 0.3 mg/m3 |
| acrylic acid | 79-10-7 | - | - | Thai PEL: 2 ppm |
| Acrylonitrile | 107-13-1 | California OSHA: 8-hour TWA: 2 ppm NIOSH: 10-hour TWA: 1 ppm Ceiling: 10 ppm [15-min] ACGIH: 8-hour TWA: 2 ppm |
JSOH OEL: 2 ppm 4.3 mg/m3 |
Thai PEL: 2 ppm STEL: 10 ppm (15 min) |
| adipic acid | 124-04-9 | - | - | Thai PEL: 5 mg/m3 |
| Aldrin | 309-00-2 | US OSHA: 0.25 mg/m3 California OSHA: 8-hour TWA: 0.25 mg/m3 NIOSH: 10-hour TWA: 0.25 mg/m3 ACGIH: 8-hour TWA: 0.05 mg/m3 (Inhalable Fraction and Vapour) |
- | Thai PEL: 0.25 mg/m3 |
| Allyl alcohol | 107-18-6 | US OSHA: 2 ppm 5 mg/m3 California OSHA: 8-hour TWA: 0.5 ppm STEL: 4 ppm NIOSH: 10-hour TWA: 2 ppm STEL: 4 ppm ACGIH: 8-hour TWA: 0.5 ppm |
JSOH OEL: 1 ppm 2.4 mg/m3 |
Thai PEL: 2 ppm |
| Allyl chloride | 107-05-1 | US OSHA: 1 ppm 3 mg/m3 California OSHA: 8-hour TWA: 1 ppm STEL: 2 ppm NIOSH: 10-hour TWA: 1 ppm STEL: 2 ppm ACGIH: 8-hour TWA: 1 ppm STEL: 2 ppm |
- | Thai PEL: 1 ppm |
| Allyl glycidyl ether (AGE) | 106-92-3 | California OSHA: 8-hour TWA: 0.2 ppm NIOSH: 10-hour TWA: 5 ppm STEL: 10 ppm ACGIH: 8-hour TWA: 1 ppm |
- | Thai PEL: Ceiling: 10 ppm |
| Allyl propyl disulfide | 2179-59-1 | US OSHA: 2 ppm 12 mg/m3 California OSHA: 8-hour TWA: 2 ppm STEL: 3 ppm NIOSH: 10-hour TWA: 2 ppm ACGIH: 8-hour TWA: 0.5 ppm |
- | Thai PEL: 2 ppm |
| alpha-Alumina : Total dust | 1344-28-1 | US OSHA: 15 mg/m3 California OSHA: 8-hour TWA: 10 mg/m3 |
- | Thai PEL: 15 mg/m3 |
| alpha-Alumina: Respirable fraction | 1344-28-1 | US OSHA: 5 mg/m3 California OSHA: 8-hour TWA: 5 mg/m3 |
- | Thai PEL: 5 mg/m3 |
| Aluminum Metal (as Al): Total dust | 7429-90-5 | US OSHA: 15 mg/m3 California OSHA: 8-hour TWA: 10 mg/m3 NIOSH: 10-hour TWA: 10 mg/m3 |
- | Thai PEL: 15 mg/m3 |
| Aluminum Metal (as Al): Respirable fraction; | 7429-90-5 | US OSHA: 5 mg/m3 California OSHA: 8-hour TWA: 5 mg/m3 NIOSH: 10-hour TWA: 5 mg/m3 ACGIH: 8-hour TWA: 1 mg/m3 |
- | Thai PEL: 5 mg/m3 |
| 2-Aminopyridine | 504-29-0 | US OSHA: 0.5 ppm 2 mg/m3 California OSHA: 8-hour TWA: 0.5 ppm NIOSH: 10-hour TWA: 0.5 ppm ACGIH: 8-hour TWA: 0.5 ppm |
- | Thai PEL: 0.5 ppm |
| amitrole | 61-82-5 | - | - | Thai PEL: 0.2 mg/m3 |
| Ammonia | 7664-41-7 | US OSHA: 50 ppm 35 mg/m3 California OSHA: 8-hour TWA: 25 ppm STEL: 35 ppm NIOSH: 10-hour TWA: 25 ppm STEL: 35 ppm ACGIH: 8-hour TWA: 25 ppm STEL: 35 ppm |
JSOH OEL: 25 ppm 17 mg/m3 |
Thai PEL: 50 ppm |
| ammonium chloride, fume | 12125-02-9 | - | - | Thai PEL: 10 mg/m3 STEL: 20 mg/m3 (15 min) |
| Ammonium sulfamate: Total dust | 7773-06-0 | US OSHA: 15 mg/m3 California OSHA: 8-hour TWA: 10 mg/m3 NIOSH: 10-hour TWA: 10 mg/m3 ACGIH: 8-hour TWA: 10 mg/m3 |
- | Thai PEL: 15 mg/m3 |
| Ammonium sulfamate: Respirable fraction | 7773-06-0 | US OSHA: 5 mg/m3 California OSHA: 8-hour TWA: 5 mg/m3 NIOSH: 10-hour TWA: 5 mg/m3 |
- | Thai PEL: 5 mg/m3 |
| n-Amyl acetate | 628-63-7 | US OSHA: 100 ppm 525 mg/m3 California OSHA: 8-hour TWA: 50 ppm STEL: 100 ppm NIOSH: 10-hour TWA: 100 ppm ACGIH: 8-hour TWA: 50 ppm STEL: 100 ppm |
JSOH OEL: 50 ppm 266.3 mg/m3 |
Thai PEL: 100 ppm |
| sec-Amyl acetate | 626-38-0 | US OSHA: 125 ppm 650 mg/m3 California OSHA: 8-hour TWA: 50 ppm STEL: 100 ppm NIOSH: 10-hour TWA: 125 ppm ACGIH: 8-hour TWA: 50 ppm STEL: 100 ppm |
- | Thai PEL: 125 ppm |
| Aniline and homologs | 62-53-3 | US OSHA: 5 ppm 19 mg/m3 California OSHA: 8-hour TWA: 2 ppm (aniline only) ACGIH: 8-hour TWA: 2 ppm (aniline only) |
JSOH OEL: 1 ppm 3.8 mg/m3 |
Thai PEL: 5 ppm |
| Anisidine (o-,p-isomers) | 29191-52-4 | US OSHA: 0.5 mg/m3 California OSHA: 8-hour TWA: 0.5 mg/m3 NIOSH: 10-hour TWA: 0.5 mg/m3 ACGIH: 8-hour TWA: 0.5 mg/m3 |
- | Thai PEL: 0.5 mg/m3 |
| o-Anisidine | 90-04-0 | - | JSOH OEL: 0.1 ppm 0.5 mg/m3 |
- |
| p-Anisidine | 104-94-9 | - | JSOH OEL: 0.1 ppm 0.5 mg/m3 |
- |
| Antimony and compounds (as Sb) | US OSHA: 0.5 mg/m3 California OSHA: 8-hour TWA: 0.5 mg/m3 NIOSH: 10-hour TWA: 0.5 mg/m3 ACGIH: 8-hour TWA: 0.5 mg/m3 |
JSOH OEL: 0.1 mg/m3 |
Thai PEL: 0.5 mg/m3 |
|
| ANTU (alpha Naphthylthiourea) | 86-88-4 | US OSHA: 0.3 mg/m3 California OSHA: 8-hour TWA: 0.3 mg/m3 NIOSH: 10-hour TWA: 0.3 mg/m3 ACGIH: 8-hour TWA: 0.3 mg/m3 |
- | - |
| Arsenic, inorganic compounds (as As) | California OSHA: 8-hour TWA: 0.01 mg/m3 NIOSH: Ceiling: 0.002 mg/m3[15-min] ACGIH: 8-hour TWA: 0.01 mg/m3 |
- | Thai PEL: 0.01 mg/m3 |
|
| Arsenic, organic compounds (as As) | US OSHA: 0.5 mg/m3 California OSHA: 8-hour TWA: 0.2 mg/m3 NIOSH: 10-hour TWA: None |
- | Thai PEL: 0.5 mg/m3 |
|
| Arsine | 7784-42-1 | US OSHA: 0.05 ppm 0.2 mg/m3 California OSHA: 8-hour TWA: 0.05 ppm NIOSH: 10-hour TWA: 0.002 mg/m3 [15-min] ACGIH: 8-hour TWA: 0.005 ppm |
- | Thai PEL: 0.05 ppm |
| Asbestos | NIOSH: 10-hour TWA: 0.1 f/cm3 ACGIH: 8-hour TWA: 0.1 f/cc (resp. fiber) |
- | - | |
| Asbestos (chrysotile form) | 77536-68-6 | - | - | Thai PEL: 0.1 f/cm3 |
| asphalt (bitumen), asbenzene soluble aerosol | 8052-42-4 | - | - | Thai PEL: 0.5 mg/m3 |
| Atrazine | 1912-24-9 | - | JSOH OEL: 2 mg/m3 |
Thai PEL: 5 mg/m3 |
| Azinphos-methyl | 86-50-0 | US OSHA: 0.2 mg/m3 California OSHA: 8-hour TWA: 0.2 mg/m3 NIOSH: 10-hour TWA: 0.2 mg/m3 ACGIH: 8-hour TWA: 0.2 mg/m3 (Inhalable Fraction and Vapour) |
- | Thai PEL: 0.2 mg/m3 |
| Barium, soluble compounds (as Ba) | US OSHA: 0.5 mg/m3 California OSHA: 8-hour TWA: 0.5 mg/m3 NIOSH: 10-hour TWA: 0.5 mg/m3 ACGIH: 8-hour TWA: 0.5 mg/m3 |
- | Thai PEL: 0.5 mg/m3 |
|
| Barium sulfate: Total dust | 7727-43-7 | US OSHA: 15 mg/m3 California OSHA: 8-hour TWA: 10 mg/m3 NIOSH: 10-hour TWA: 10 mg/m3 ACGIH: 8-hour TWA: 5 mg/m3 (no asbestos and < 1% crystalline silica) |
- | Thai PEL: 15 mg/m3 |
| Barium sulfate: Respirable fraction | 7727-43-7 | US OSHA: 5 mg/m3 California OSHA: 8-hour TWA: 5 mg/m3 NIOSH: 10-hour TWA: 5 mg/m3 |
- | Thai PEL: 5 mg/m3 |
| Benomyl: Total dust | 17804-35-2 | US OSHA: 15 mg/m3 California OSHA: 8-hour TWA: 10 mg/m3 |
JSOH OEL: 1 mg/m3 |
Thai PEL: 15 mg/m3 |
| Benomyl: Respirable fraction | 17804-35-2 | US OSHA: 5 mg/m3 California OSHA: 8-hour TWA: 5 mg/m3 |
JSOH OEL: 1 mg/m3 |
Thai PEL: 5 mg/m3 |
| Benzene | 71-43-2 | California OSHA: 8-hour TWA: 1 ppm STEL: 5 ppm NIOSH: 10-hour TWA: 0.1 ppm STEL: 1 ppm ACGIH: 8-hour TWA: 0.5 ppm STEL: 2.5 ppm |
- | Thai PEL: 1 ppm STEL: 5 ppm (15 min) |
| Benzidine | 92-87-5 | - | - | - |