就不會把箭到處亂射
環境保護的目的，是為了阻隔污染物的排放，維護自然生態均衡
而不是用來指責哪一種科技的貢獻
沒有一個人是為了破壞環境才來發明新科技搞污染的
a.到kodak的MSDS網頁：
http://www.kodak.com/eknec/PageQuerier.jhtml?pq-path=4648&pq-locale=zh-tw_TW&_requestid=3875
b.鍵入入關鍵字如c-41，並選擇語系英文。
c.搜尋即可得相關資料。
2.以下例示有關C-41彩色底片藥水的定影劑重要安全資料如下：
a.危害標示：
WARNING!
DRIED PRODUCT RESIDUE CAN ACT AS A REDUCING AGENT
CONTACT WITH STRONG OXIDIZER OR ACID LIBERATES POISONOUS AND FLAMMABLE GAS
HARMFUL IF INHALED, ABSORBED THROUGH SKIN, OR SWALLOWED
CAUSES SKIN AND EYE IRRITATION CAN CAUSE THYROID DAMAGE
THE PHYSICAL-CHEMICAL PROPERTIES OF THIS MATERIAL HAVE NOT BEEN FULLY INVESTIGATED.
簡單來說就是不要以皮膚接觸或吞食。
b.急救標示：
Inhalation: If inhaled, remove to fresh air. Get medical attention.
Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. If easy to do, remove contact lens, if worn. Get medical attention.
Skin: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention if symptoms occur. Wash contaminated clothing before re-use. Destroy or thoroughly clean contaminated shoes.
Ingestion: If swallowed, only induce vomiting as directed by medical personnel. Never give anything by mouth to an unconscious person. Get medical attention immediately.
此項說明了如果吸入、接觸到眼睛、皮膚或誤食時的處理方式。
c.個人使用者的處理要點：
Personal precautions: Do not breathe vapours or spray mist. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Use only with adequate ventilation. Wash thoroughly after handling.
避免吸入、接觸眼睛、皮膚。關緊瓶口，使用後應徹底清潔雙手。
d.有關法令的規範：
如U.S. - CERCLA/SARA - Section 302 (40 CFR § 355 Appendices A and B - The List of Extremely Hazardous Substances and Their Threshold Planning Quantities)：
No components of this product are subject to the SARA Section 302 (40 CFR 355) reporting requirements.
上述美國法令乃規範了極度危險物質的相關要求，但C-41定影劑非該法令所約束之對象。
e.環境分解性：
Readily biodegradable.
c-41定影劑可逐漸生物分解，但注意，排放廢水時需注意當地法令，不同地區的法令要求寬嚴不一。
3.結論：
C-41定影劑如果是個人的少量使用，而排放入有污水處理系統的下水道不成問題，但如果可以的話，交由專門處理業者回收處理可以進一步減少可能的健康風險。
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