We have implemented the US air limit values (ACGIH TLV) published 2018 in our substance database.
On the basis of the changes listed below, you can decide whether your company is affected and contact us for an update if necessary. We display this kind of information permanently on our website (see overview).
For the region USA (US) the following changes have occurred.
| Substance description | CAS No. | Remark |
| Aldicarb | 116-06-3 | new |
| Allyl methacrylate | 96-05-9 | new |
| Bendiocarb | 22781-23-3 | new |
| Boron trifluoride ethers | 109-63-7; 353-42-4 | new |
| Carfentrazone-ethyl | 128639-02-1 | new |
| Chlorine | 7782-50-5 | changed |
| Chlorine dioxide | 10049-04-4 | changed |
| Chromium compounds, hexavalent, insoluble | changed * | |
| Chromium compounds, hexavalent, water soluble | changed * | |
| Chromium compounds, trivalent, insoluble | changed * | |
| Chromium compounds, trivalent, water soluble | changed * | |
| Chromium, metallic | 7440-47-3 | changed * |
| Chromyl chloride | 14977-61-8 | changed |
| Cyanoacrylates, Ethyl and Methyl | 7085-85-0; 137-05-3 | changed |
| Dimethylformamide | 68-12-2 | changed |
| Fludioxonil | 131341-86-1 | new |
| Lead chromate | 7758-97-6 | changed |
| Manganese, elemental | 7439-96-5 | changed |
| Manganese, inorganic compounds | changed | |
| Paraquat, as the cation | 4685-14-7 | changed |
| Phosphine | 7803-51-2 | changed |
| Propyl acetate isomers | 108-21-4; 109-60-4 | changed |
| tert-Butyl hydroperoxide | 75-91-2 | new |
* New categories for chromium and chromium compounds