Nalco 3dt 449 Msds New Access

| PPE Item | Old Requirement | New Requirement | | :--- | :--- | :--- | | Gloves | Nitrile, 8 mil | , 15 mil minimum. (Nitrile degrades within 2 hours) | | Goggles | Standard splash | Full face shield over chemical goggles | | Apron | Tyvek | Neoprene apron with sleeves | | Respirator | None for normal use | NIOSH approved with acid gas cartridge (P100) if misting |

A: Per new Section 10 – No. This generates chlorine gas and heat. Always add biocides to the cooling tower water before adding 3DT 449. nalco 3dt 449 msds new

(new data): Nitrile gloves fail at 90 minutes. Change double-gloved nitrile every 60 minutes if butyl is unavailable. Section 8: Physical and Chemical Properties (New Measured Values) The new MSDS includes retested values: | PPE Item | Old Requirement | New

| Mode | UN Number | Proper Shipping Name | Packing Group | | :--- | :--- | :--- | :--- | | Road/Rail | UN3265 | Corrosive liquid, acidic, organic, n.o.s. | II | | Sea (IMDG) | UN3265 | Same | II | | Air (IATA) | UN3265 | Forbidden on passenger aircraft | II | Always add biocides to the cooling tower water