针对海港城市的空气清洁问题，美国西岸的加利福尼亚州制订了全国最严格的环保法规。

In the United States, the western state of California has the nation's toughest environmental regulations when it comes to air quality at the ports.

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我们会按照美国ASTM 1527 - 97标准和中国环保法律法规要求，开展一期环境现场评估。

We will in accordance with the requirements of ASTM 1527-97 standard and China environmental protection laws and regulations, carry out on-site assessment of environmental issue.

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