Regulators close in on wood chemicals.
D000397:Air Pollution; D001151:Arsenic / Q000009:adverse effects*; D003247:Conservation of Natural Resources; D003300:Copper / Q000009:adverse effects*; D006801:Humans; D008420:Manufactured Materials; D009664:Norway; D011050:Policy Making; D011634:Public Health; D011640:Public Policy; D014835:Volatilization; D014934:Wood
D003300:Copper; D001151:Arsenic