TOXICOLOGICAL PROFILE FOR CHROMIUM - Davidborowski.com

CHROMIUM 3307. REGULATIONS AND ADVISORIESTable 7-1. Regulations and Guidelines Applicable to Chromium (continued)Agency Description Information ReferenceNATIONAL (cont.)OSHAb. Water:8-Hour time weighted averageChromium(II)Chromium(III)Chromium metal andinsoluble saltsChromic acid andchromates8-Hour time weighted averagefor shipyard workersChromium(II)Chromium(III)Chromium metal andinsoluble saltsChromic acid andchromates8-Hour time weighted averagefor construction workersChromium(II)Chromium(III)Chromium metal andinsoluble saltsChromic acid andchromates29 CFR0.5 mg/m 31910.10000.5 mg/m 3OSHA 1999a1.0 mg/m 31.0 mgCrO 3 /10m 329 CFR1915.10000.5 mg/m 3OSHA 1999b0.5 mg/m 31.0 mg/m 30.1 mg CrO 3 /m 329 CFR 1926.55OSHA 1999c0.5 mg/m 30.5 mg/m 31.0 mg/m 30.1 mg CrO 3 /m 3EPA MCL—Chromium 0.1 mg/L 40 CFR 141.62EPA 1999fMCLG—Chromium 0.1 mg/L 40 CFR 141.51EPA 1999eMaximum concentration forgroundwaterDrinking water standards—ChromiumAmbient water quality criteria(water and fish consumption)Chromium(III)Chromium(VI)0.05 mg/L 40 CFR 264.94EPA 1999b0.1 ppm 40 CFR 141.32EPA 1999h170 mg/L0.05 mg/LEPA 1980, 1987b