PROBLEM TO BE SOLVED: To provide a liquid composition capable of performing antiseptic, insect-repelling, deodorizing, sterilizing and fungusproofing treatment on a house polluted by a flood and the like when applied once and keeping the effects for a long period.SOLUTION: The liquid composition is prepared by adding ≤1% of sodium hypochlorite to a high concentration borate aqueous solution adjusted to have a pH ranging from a neutral pH to a slightly acidic pH.COPYRIGHT: (C)2013,JPO&INPIT【課題】洪水で汚染された住宅などを1回の散布で防腐、防虫、消臭、殺菌、防カビ処理でき、しかも効果が長期間持続する液状組成物を提案する。【解決手段】pHを中性から微酸性に調整したホウ酸塩の高濃度水溶液に1%以下の次亜塩素酸ナトリウムを加える。【選択図】なし